CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 1 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Blue circles: participants in SIM.EM-K9 only
Orange squares : participants in APMP.EM-K9
Brown square : participant in SIM.EM-K9.1 only
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 10 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Blue circles: participants in SIM.EM-K9 only
Orange squares : participants in APMP.EM-K9
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 20 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Blue circles: participants in SIM.EM-K9 only
Orange squares : participants in APMP.EM-K9
Brown square : participant in SIM.EM-K9.1 only
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 50 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Blue circles : participants in SIM.EM-K9 only
Orange squares : participants in APMP.EM-K9
Brown square : participant in SIM.EM-K9.1
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 100 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Blue circles: participants in SIM.EM-K9 only
Orange squares : participants in APMP.EM-K9
Brown square : participant in SIM.EM-K9.1 only
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 1 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Orange squares : participants in APMP.EM-K9 only
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 10 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Orange squares : participants in APMP.EM-K9 only
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 20 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Orange squares : participants in APMP.EM-K9 only
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 50 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Orange squares : participants in APMP.EM-K9 only
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 100 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Click on the graph for a closer view
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
Orange squares : participants in APMP.EM-K9 only
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 1 kHz
Degrees of equivalence: Di = (xi - xR) and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 10 kHz
Degrees of equivalence: Di = (xi - xR) and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 20 kHz
Degrees of equivalence: Di = (xi - xR) and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 50 kHz
Degrees of equivalence: Di = (xi - xR) and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 100 kHz
Degrees of equivalence: Di = (xi - xR) and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red diamonds : participants in CCEM-K9
Green triangles : participants in EUROMET.EM-K9 only
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 1 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95% level of confidence, both expressed in µV/V
Dark blue :participants in CCEM-K9
Green : participants in EUROMET.EM-K9 only
Blue : participants in SIM.EM-K9 only
Orange : participants in APMP.EM-K9
Brown : participant in SIM.EM-K9.1 only
Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9
Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 17 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | 5.8 | 15.8 |
| AREPA | 4.5 | 20.9 |
| NPL | -0.5 | 12.7 |
| SP | 2.5 | 8.6 |
| IEN | -0.9 | 14.6 |
| CEM | -6.5 | 35.9 |
| PTB | -0.7 | 7.4 |
| NMi-VSL | 2.8 | 19.8 |
| INTI | -4.7 | 13.8 |
| NMIA | 0.8 | 10.7 |
| NRC | 0.3 | 9.6 |
| VNIIM | -0.8 | 20.1 |
| METAS | -1.7 | 5.4 |
| NIST | 7.2 | 16.8 |
| NIM | -1.0 | 24.1 |
| BEV | 0.5 | 18.4 |
| MIKES | -0.1 | 10.6 |
| INETI | 13.5 | 32.1 |
| OMH | -0.8 | 43.1 |
| JV | -1.3 | 22.3 |
| UME | 0.7 | 30.3 |
| CMI | 7.3 | 50.1 |
Results are presented under A4 printable format in the Summary Results for 1000 V (PDF file).
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference Degrees of equivalence: Di and expanded uncertainty Ui at a 95% level of confidence, both expressed in µV/V Dark blue :participants in CCEM-K9 Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9 Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
VOLTAGE : 1000 V
FREQUENCY : 10 kHz
Green : participants in EUROMET.EM-K9 only
Blue : participants in SIM.EM-K9 only
Orange : participants in APMP.EM-K9
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 18 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | 1.3 | 34.8 |
| AREPA | 4.2 | 20.8 |
| NPL | -2.8 | 12.7 |
| SP | 3.2 | 9.5 |
| IEN | -2.6 | 14.9 |
| CEM | 0.2 | 39.9 |
| PTB | -1.5 | 7.2 |
| NMi-VSL | -0.8 | 19.7 |
| INTI | -2.3 | 15.7 |
| NMIA | 2.7 | 13.7 |
| NRC | 3.7 | 9.5 |
| VNIIM | -0.7 | 20.4 |
| METAS | -1.7 | 6.3 |
| NIST | 3.9 | 16.8 |
| NIM | 0.6 | 24.3 |
| BEV | 3.2 | 20.4 |
| MIKES | -6.8 | 10.6 |
| INETI | 25.2 | 40.1 |
| OMH | 3.3 | 52.1 |
| JV | -0.5 | 24.3 |
| UME | 3.5 | 30.3 |
| CMI | 2.7 | 50.1 |
Results are presented under A4 printable format in the Summary Results for 1000 V (PDF file).
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 20 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95% level of confidence, both expressed in µV/V
Dark blue :participants in CCEM-K9
Green : participants in EUROMET.EM-K9 only
Blue : participants in SIM.EM-K9 only
Orange : participants in APMP.EM-K9
Brown : participant in SIM.EM-K9.1 only
Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9
Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 19 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -2.8 | 34.8 |
| AREPA | 5.3 | 25.7 |
| NPL | -5.7 | 22.8 |
| SP | 2.3 | 10.5 |
| IEN | -6.6 | 24.8 |
| CEM | -1.7 | 43.8 |
| PTB | -2.0 | 7.1 |
| NMi-VSL | -4.9 | 24.7 |
| INTI | -5.0 | 19.7 |
| NMIA | 3.0 | 15.7 |
| NRC | 6.0 | 9.4 |
| VNIIM | -4.9 | 32.2 |
| METAS | -1.6 | 6.1 |
| NIST | 5.7 | 15.9 |
| NIM | 1.4 | 29.0 |
| BEV | 5.3 | 24.4 |
| MIKES | -11.6 | 11.5 |
| INETI | 34.3 | 52.1 |
| OMH | -15.4 | 80.1 |
| JV | -2.4 | 28.2 |
| UME | 4.6 | 40.2 |
| CMI | 4.0 | 62.1 |
Results are presented under A4 printable format in the Summary Results for 1000 V (PDF file).
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 50 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95% level of confidence, both expressed in µV/V
Dark blue :participants in CCEM-K9
Green : participants in EUROMET.EM-K9 only
Blue : participants in SIM.EM-K9 only
Orange : participants in APMP.EM-K9
Brown : participant in SIM.EM-K9.1 only
Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9
Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 20 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -11.8 | 68.8 |
| AREPA | 1.8 | 40.7 |
| NPL | -7.2 | 31.6 |
| SP | 4.8 | 14.2 |
| IEN | -11.0 | 36.9 |
| CEM | -16.2 | 63.8 |
| PTB | -2.0 | 8.7 |
| NMi-VSL | -5.3 | 34.6 |
| INTI | -4.1 | 23.6 |
| NMIA | 4.9 | 27.5 |
| NRC | 7.9 | 11.0 |
| VNIIM | -22.3 | 51.4 |
| METAS | -1.3 | 8.8 |
| NIST | -3.3 | 20.9 |
| NIM | -2.8 | 45.1 |
| BEV | - | - |
| MIKES | -27.3 | 23.8 |
| INETI | 53.8 | 68.2 |
| OMH | -25.3 | 120.1 |
| JV | 0.4 | 42.3 |
| UME | 6.4 | 44.3 |
| CMI | -8.1 | 78.2 |
Results are presented under A4 printable format in the Summary Results for 1000 V (PDF file).
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 100 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95% level of confidence, both expressed in µV/V
Dark blue : participants in CCEM-K9
Green : participants in EUROMET.EM-K9 only
Blue : participants in SIM.EM-K9 only
Orange : participants in APMP.EM-K9
Brown : participant in SIM.EM-K9.1
Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9
Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 21 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -20.5 | 68.3 |
| AREPA | 0.5 | 80.4 |
| NPL | -10.5 | 61.2 |
| SP | 10.5 | 20.8 |
| IEN | -13.4 | 78.8 |
| CEM | -9.5 | 97.5 |
| PTB | -3.5 | 28.3 |
| NMi-VSL | -8.3 | 49.0 |
| INTI | -2.7 | 38.7 |
| NMIA | 12.3 | 39.8 |
| NRC | -0.7 | 21.8 |
| VNIIM | 22.7 | 100.5 |
| METAS | 3.3 | 26.2 |
| NIST | -6.1 | 27.4 |
| NIM | -19.6 | 58.8 |
| BEV | - | - |
| MIKES | -40.3 | 82.7 |
| INETI | 89.5 | 102.5 |
| OMH | -27.1 | 200.2 |
| JV | 11.6 | 68.7 |
| UME | 12.0 | 66.8 |
| CMI | -10.7 | 112.4 |
Results are presented under A4 printable format in the Summary Results for 1000 V (PDF file).
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 1 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red : participants in CCEM-K9
Green : participants in EUROMET.EM-K9 only
Orange : participants in APMP.EM-K9
Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9
Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 12 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | 1.6 | 12.9 |
| AREPA | 2.8 | 20.9 |
| NPL | -1.2 | 12.9 |
| SP | 1.8 | 7.8 |
| IEN | -0.8 | 9.3 |
| CEM | -2.2 | 30.0 |
| PTB | -2.3 | 7.5 |
| NMi-VSL | 0.8 | 14.7 |
| INTI | -3.2 | 11.9 |
| NMIA | 2.4 | 8.8 |
| NRC | 0.8 | 8.6 |
| VNIIM | 0.5 | 16.5 |
| METAS | -1.4 | 5.6 |
| NIST | 4.1 | 10.8 |
| NIM | -1.7 | 19.5 |
| BEV | -0.2 | 13.5 |
| MIKES | -0.9 | 8.8 |
| INETI | 3.8 | 26.2 |
| OMH | -2.2 | 31.1 |
| JV | -0.5 | 20.3 |
| UME | -1.5 | 22.3 |
| CMI | 1.8 | 38.2 |
Results are presented under A4 printable format in Summary Results for 500 V (PDF file).
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 10 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red : participants in CCEM-K9
Green : participants in EUROMET.EM-K9 only
Orange : participants in APMP.EM-K9
Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9
Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 13 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -0.3 | 20.9 |
| AREPA | 2.9 | 20.9 |
| NPL | -5.1 | 12.8 |
| SP | 2.9 | 8.7 |
| IEN | -2.8 | 9.1 |
| CEM | -1.1 | 29.9 |
| PTB | -0.6 | 7.5 |
| NMi-VSL | -2.1 | 14.7 |
| INTI | -3.9 | 13.8 |
| NMIA | 3.1 | 8.7 |
| NRC | 3.1 | 8.2 |
| VNIIM | 0.0 | 16.9 |
| METAS | -1.3 | 5.5 |
| NIST | 3.3 | 10.3 |
| NIM | -1.4 | 19.4 |
| BEV | 1.9 | 15.4 |
| MIKES | -6.5 | 8.0 |
| INETI | -9.1 | 30.1 |
| OMH | -3.1 | 36.1 |
| JV | 0.4 | 22.3 |
| UME | 2.4 | 22.3 |
| CMI | -2.9 | 38.1 |
Results are presented under A4 printable format in Summary Results for 500 V (PDF file).
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 20 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red : participants in CCEM-K9
Green : participants in EUROMET.EM-K9 only
Orange : participants in APMP.EM-K9
Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9
Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 14 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -0.2 | 20.9 |
| AREPA | 2.6 | 20.9 |
| NPL | -6.4 | 16.8 |
| SP | 1.6 | 9.7 |
| IEN | -6.5 | 13.7 |
| CEM | 1.6 | 29.9 |
| PTB | -1.2 | 7.3 |
| NMi-VSL | -3.4 | 19.7 |
| INTI | -3.3 | 15.8 |
| NMIA | 3.7 | 9.6 |
| NRC | 5.7 | 9.6 |
| VNIIM | -5.8 | 24.5 |
| METAS | -1.1 | 5.3 |
| NIST | 3.8 | 10.8 |
| NIM | -0.5 | 21.1 |
| BEV | 3.6 | 19.4 |
| MIKES | -8.2 | 8.8 |
| INETI | -12.4 | 36.1 |
| OMH | -1.3 | 40.1 |
| JV | 0.1 | 24.3 |
| UME | 2.1 | 26.3 |
| CMI | -2.3 | 46.1 |
Results are presented under A4 printable format in Summary Results for 500 V (PDF file).
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 50 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red : participants in CCEM-K9
Green : participants in EUROMET.EM-K9 only
Orange : participants in APMP.EM-K9
Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9
Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 15 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -2.7 | 35.8 |
| AREPA | 1.0 | 20.7 |
| NPL | -8.0 | 23.7 |
| SP | 5.0 | 13.5 |
| IEN | -12.2 | 19.9 |
| CEM | -6.0 | 37.8 |
| PTB | -1.6 | 9.1 |
| NMi-VSL | -4.8 | 24.6 |
| INTI | -4.0 | 17.6 |
| NMIA | 7.0 | 14.5 |
| NRC | 8.0 | 9.8 |
| VNIIM | -20.1 | 40.4 |
| METAS | -0.4 | 8.1 |
| NIST | -4.1 | 13.5 |
| NIM | -4.0 | 28.9 |
| BEV | 7.0 | 21.5 |
| MIKES | -22.1 | 13.8 |
| INETI | -17.0 | 46.2 |
| OMH | 1.9 | 63.1 |
| JV | 1.8 | 34.3 |
| UME | 2.8 | 36.2 |
| CMI | -18.0 | 56.2 |
Results are presented under A4 printable format in Summary Results for 500 V (PDF file).
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 100 kHz
Degrees of equivalence: Di and expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV/V
Red : participants in CCEM-K9
Green : participants in EUROMET.EM-K9 only
Orange : participants in APMP.EM-K9
Matrix of equivalence for CCEM-K9 and EUROMET.EM-K9
Pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 16 of the APMP.EM-K9 Final Report.
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -1.7 | 35.3 |
| AREPA | 6.0 | 40.4 |
| NPL | -9.0 | 45.5 |
| SP | 11.0 | 19.7 |
| IEN | -14.4 | 47.1 |
| CEM | 4.0 | 49.4 |
| PTB | -0.6 | 20.6 |
| NMi-VSL | -3.9 | 39.3 |
| INTI | -3.1 | 29.1 |
| NMIA | 13.9 | 21.8 |
| NRC | 0.9 | 22.9 |
| VNIIM | -20.3 | 59.9 |
| METAS | 3.9 | 25.0 |
| NIST | -7.1 | 16.2 |
| NIM | -21.6 | 39.0 |
| BEV | 19.0 | 32.0 |
| MIKES | -31.2 | 36.8 |
| INETI | -12.0 | 72.4 |
| OMH | -1.2 | 100.3 |
| JV | 14.4 | 48.7 |
| UME | 10.0 | 56.6 |
| CMI | -13.1 | 80.4 |
Results are presented under A4 printable format in Summary Results for 500 V (PDF file).
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 1 kHz
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -1.5 | 12.0 |
| AREPA | 2.1 | 10.9 |
| NPL | 5.1 | 12.0 |
| SP | 2.1 | 6.9 |
| IEN | 0.8 | 8.6 |
| CEM | 2.1 | 22.0 |
| PTB | -1.9 | 7.6 |
| NMi-VSL | ||
| INTI | -4.5 | 9.9 |
| NMIA | -1.6 | 6.9 |
| NRC | -1.5 | 9.9 |
| VNIIM | 1.0 | 12.6 |
| METAS | -2.9 | 5.8 |
| NIST | 4.0 | 5.4 |
| NIM | -1.3 | 10.9 |
| BEV | 0.1 | 10.5 |
| MIKES | -0.8 | 7.5 |
| INETI | 5.1 | 16.4 |
| OMH | ||
| JV | -0.8 | 18.7 |
| UME | -1.1 | 18.3 |
| CMI | -2.5 | 24.2 |
In green : participants in EUROMET.EM-K9 only
"-" : pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed
No values from NMi-VSL and OMH for this voltage and this frequency
Results are presented under A4 printable format in the Summary Results for 200 V (.PDF file).
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 10 kHz
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -3.3 | 12.9 |
| AREPA | 2.9 | 10.8 |
| NPL | -5.1 | 11.8 |
| SP | 4.9 | 7.8 |
| IEN | -1.1 | 8.6 |
| CEM | 5.9 | 22.0 |
| PTB | -0.8 | 7.6 |
| NMi-VSL | ||
| INTI | -2.7 | 9.8 |
| NMIA | 0.3 | 6.8 |
| NRC | -0.7 | 9.8 |
| VNIIM | 1.2 | 12.2 |
| METAS | -1.9 | 5.7 |
| NIST | 3.5 | 5.5 |
| NIM | -3.1 | 10.8 |
| BEV | 1.9 | 10.5 |
| MIKES | 0.7 | 6.4 |
| INETI | 4.9 | 16.3 |
| OMH | ||
| JV | 1.0 | 18.7 |
| UME | 0.3 | 18.3 |
| CMI | -7.7 | 24.2 |
In green : participants in EUROMET.EM-K9 only
"-" : pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed
No values from NMi-VSL and OMH for this voltage and this frequency
Results are presented under A4 printable format in the Summary Results for 200 V (.PDF file).
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 20 kHz
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -1.8 | 12.8 |
| AREPA | 1.3 | 10.8 |
| NPL | -3.7 | 13.9 |
| SP | 4.3 | 8.7 |
| IEN | -5.1 | 12.6 |
| CEM | 5.3 | 21.8 |
| PTB | -1.4 | 7.6 |
| NMi-VSL | ||
| INTI | -2.4 | 11.8 |
| NMIA | -0.4 | 7.7 |
| NRC | 1.6 | 9.8 |
| VNIIM | 2.6 | 20.0 |
| METAS | -1.6 | 5.5 |
| NIST | 3.4 | 5.5 |
| NIM | -2.9 | 10.8 |
| BEV | 2.3 | 12.4 |
| MIKES | 1.2 | 7.1 |
| INETI | 4.3 | 18.2 |
| OMH | ||
| JV | 0.8 | 20.2 |
| UME | -2.2 | 24.1 |
| CMI | -4.4 | 28.1 |
In green : participants in EUROMET.EM-K9 only
"-" : pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed
No values from NMi-VSL and OMH for this voltage and this frequency
Results are presented under A4 printable format in the Summary Results for 200 V (.PDF file).
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 50 kHz
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -6.3 | 15.8 |
| AREPA | -1.2 | 10.6 |
| NPL | -1.2 | 15.8 |
| SP | 3.8 | 12.7 |
| IEN | -9.9 | 18.0 |
| CEM | 2.8 | 23.8 |
| PTB | -0.8 | 9.4 |
| NMi-VSL | ||
| INTI | -1.8 | 15.7 |
| NMIA | 2.2 | 10.6 |
| NRC | 5.2 | 13.7 |
| VNIIM | 7.8 | 30.1 |
| METAS | -0.9 | 8.5 |
| NIST | 1.6 | 7.3 |
| NIM | -2.5 | 11.9 |
| BEV | 2.8 | 16.6 |
| MIKES | 1.7 | 7.9 |
| INETI | 5.8 | 20.4 |
| OMH | ||
| JV | 2.6 | 26.3 |
| UME | 0.6 | 30.3 |
| CMI | -4.8 | 36.3 |
In green : participants in EUROMET.EM-K9 only
"-" : pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed
No values from NMi-VSL and OMH for this voltage and this frequency
Results are presented under A4 printable format in the Summary Results for 200 V (.PDF file).
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 100 kHz
| Lab i | Di | Ui |
| / (µV/V) | / (µV/V) | |
| LNE | -10.3 | 15.3 |
| AREPA | -5.8 | 25.6 |
| NPL | -0.8 | 19.4 |
| SP | 11.2 | 18.5 |
| IEN | -11.1 | 42.2 |
| CEM | 6.2 | 28.4 |
| PTB | -1.5 | 21.4 |
| NMi-VSL | ||
| INTI | -0.9 | 23.5 |
| NMIA | 7.1 | 17.3 |
| NRC | 4.1 | 22.1 |
| VNIIM | -0.6 | 40.2 |
| METAS | 0.1 | 23.5 |
| NIST | 1.9 | 9.6 |
| NIM | -5.5 | 12.3 |
| BEV | 8.2 | 21.8 |
| MIKES | 5.9 | 10.0 |
| INETI | 11.2 | 30.6 |
| OMH | ||
| JV | 11.8 | 36.5 |
| UME | 1.1 | 44.4 |
| CMI | -2.9 | 60.2 |
In green : participants in EUROMET.EM-K9 only
"-" : pair-wise degrees of equivalence between participants in CCEM-K9 only and in EUROMET.EM-K9 only are not explicitely computed
No values from NMi-VSL and OMH for this voltage and this frequency
Results are presented under A4 printable format in the Summary Results for 200 V (.PDF file).
| Metrology area, Sub-field | Electricity and Magnetism, AC Voltage, Current, Power, and AC/DC Transfer |
| Description | Comparison of high voltage AC/DC converters |
| Time of measurements | 2000 - 2002 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| Measurand | AC/DC transfer difference |
| Parameters | Voltage: 1000 V, 500 V and 200 V Frequency: 1 kHz, 10 kHz, 20 kHz, 50 kHz and 100 kHz |
| Transfer device | Reference voltage standards |
| Comparison type | Key Comparison |
| Consultative Committee | CCEM (Consultative Committee for Electricity and Magnetism) |
| Conducted by | CCEM (Consultative Committee for Electricity and Magnetism) |
| Comments | Results published on 02 December 2005 EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and SIM.EM-K9.1 results are linked to those of CCEM-K9 for common voltages and frequencies AC/DC voltage transfer standards
|
| Pilot institute |
LNE
Laboratoire national de métrologie et d'essais France |
| Contact person | A. Poletaeff +33 (0) 1 30 69 21 75 |
| Pilot laboratory | |
|---|---|
| LNE |
Laboratoire national de métrologie et d'essais, France, EURAMET |
| CEM |
Centro Español de Metrologia, Spain, EURAMET |
| INTI |
Instituto Nacional de Tecnologia Industrial, Argentina, SIM |
| METAS |
Federal Institute of Metrology, Switzerland, EURAMET |
| NIM |
National Institute of Metrology, China, APMP |
| NIST |
National Institute of Standards and Technology, United States, SIM |
| NMIA |
National Measurement Institute, Australia, Australia, APMP |
| NPL |
National Physical Laboratory, United Kingdom, EURAMET |
| NRC |
National Research Council, Canada, SIM |
| PTB |
Physikalisch-Technische Bundesanstalt, Germany, EURAMET |
| VNIIM |
D.I. Mendeleyev Institute for Metrology, Rosstandart, Russian Federation, COOMET |
This page proposes print-out on A4 paper (portrait) of the comparison details (best printed out using a black and white printer).
Please, select items to be printed out, then click on "OK" :
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 1 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = 0.2 µV/V, UR = 3.1 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
|
INTI, NRC and NIST provide the link between key comparisons CCEM-K9 and SIM.EM-K9. The linkage process is described in section 11 of SIM.EM-K9 Final Report. |
| The degree of equivalence of the laboratory i participant in SIM.EM-K9 with respect to the key comparison reference value is given by a pair of terms: Di and Ui, its expanded uncertainty (k = 2). The computation of the degrees of equivalence is explained in SIM.EM-K9 Final Report. |
| The degree of equivalence between two laboratories i and j is not computed for the laboratories participant in key comparison SIM.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes it possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 17 of the Final Report. They are not reported here.
The linkage process is based on the results of the common participant, the LNE, and is detailed in Section 9 of the SIM.EM-K9.1 Final Report. This makes it possible to extend the graph of equivalence to INMETRO.
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 10 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -2.3 µV/V, UR = 3.4 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
|
INTI, NRC and NIST provide the link between key comparisons CCEM-K9 and SIM.EM-K9. The linkage process is described in section 11 of SIM.EM-K9 Final Report. |
| The degree of equivalence of the laboratory i participant in SIM.EM-K9 with respect to the key comparison reference value is given by a pair of terms: Di and Ui, its expanded uncertainty (k = 2). The computation of the degrees of equivalence is explained in SIM.EM-K9 Final Report. |
| The degree of equivalence between two laboratories i and j is not computed for the laboratories participant in key comparison SIM.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes in possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 18 of the Final Report. They are not reported here.
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 20 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -5.2 µV/V, UR = 3.7 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
|
INTI, NRC and NIST provide the link between key comparisons CCEM-K9 and SIM.EM-K9. The linkage process is described in section 11 of SIM.EM-K9 Final Report. |
| The degree of equivalence of the laboratory i participant in SIM.EM-K9 with respect to the key comparison reference value is given by a pair of terms: Di and Ui, its expanded uncertainty (k = 2). The computation of the degrees of equivalence is explained in SIM.EM-K9 Final Report. |
| The degree of equivalence between two laboratories i and j is not computed for the laboratories participant in key comparison SIM.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes it possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 19 of the Final Report. They are not reported here.
The linkage process is based on the results of the common participant, the LNE, and is detailed in Section 9 of the SIM.EM-K9.1 Final Report. This makes it possible to extend the graph of equivalence to INMETRO.
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 50 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -19.9 µV/V, UR = 5.0 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
|
INTI, NRC and NIST provide the link between key comparisons CCEM-K9 and SIM.EM-K9. The linkage process is described in section 11 of SIM.EM-K9 Final Report. |
| The degree of equivalence of the laboratory i participant in SIM.EM-K9 with respect to the key comparison reference value is given by a pair of terms: Di and Ui, its expanded uncertainty (k = 2). The computation of the degrees of equivalence is explained in SIM.EM-K9 Final Report. |
| The degree of equivalence between two laboratories i and j is not computed for the laboratories participant in key comparison SIM.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes it possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 20 of the Final Report. They are not reported here.
The linkage process is based on the results of the common participant, the LNE, and is detailed in Section 9 of the SIM.EM-K9.1 Final Report. This makes it possible to extend the graph of equivalence to INMETRO.
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 100 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -53.1 µV/V, UR = 10.0 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
|
INTI, NRC and NIST provide the link between key comparisons CCEM-K9 and SIM.EM-K9. The linkage process is described in section 11 of SIM.EM-K9 Final Report. |
| The degree of equivalence of the laboratory i participant in SIM.EM-K9 with respect to the key comparison reference value is given by a pair of terms: Di and Ui, its expanded uncertainty (k = 2). The computation of the degrees of equivalence is explained in SIM.EM-K9 Final Report. |
| The degree of equivalence between two laboratories i and j is not computed for the laboratories participant in key comparison SIM.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes it possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 21 of the Final Report. They are not reported here.
The linkage process is based on the results of the common participant, the LNE, and is detailed in Section 9 of the SIM.EM-K9.1 Final Report. This makes it possible to extend the graph of equivalence to INMETRO.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 1 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = 1.8 µV/V, UR = 2.8 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes in possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 12 of the Final Report. They are not reported here.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 10 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -2.2 µV/V, UR = 2.8 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes in possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 13 of the Final Report. They are not reported here.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 20 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -5.8 µV/V, UR = 3.2 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes in possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 14 of the Final Report. They are not reported here.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 50 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -20.9 µV/V, UR = 4.2 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes in possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 15 of the Final Report. They are not reported here.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 100 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -59.9 µV/V, UR = 7.6 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
The linkage process is based on the results of the common participants, NMIA and PTB, and is detailed in Sections 8 and 9 of the APMP.EM-K9 Final Report.
This makes in possible to extend the graph of equivalence to participants in APMP.EM-K9 only.
Pair-wise degrees of equivalence inside APMP.EM-K9 are given in Table 16 of the Final Report. They are not reported here.
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 1 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = 1.4 µV/V, UR = 2.4 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 10 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -2.5 µV/V, UR = 2.5 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 20 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -5.9 µV/V, UR = 2.6 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 50 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -21.9 µV/V, UR = 3.5 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 100 kHz
| The key comparison reference value, xR, is computed as the weighted average of the adjusted values obtained by the CCEM-K9 participants. Its expanded uncertainty is UR = 2uR, where uR is the standard uncertainty of the weighted average. All adjusted values from CCEM-K9 participants have been taken into account in the calculation, except the value of AREPA, which is traceable to PTB. xR = -60.4 µV/V, UR = 5.3 µV/V |
| The degree of equivalence of laboratory i with respect to the key comparison reference value is given by two terms: Di = (xi - xR) and its expanded uncertainty at a 95 % level of confidence Ui computed as explained on page 15 of the CCEM-K9 Final Report and on page 12 of the EUROMET.EM-K9 Final Report, both expressed in µV/V. |
| The degree of equivalence between two laboratories i and j is given by two terms: Dij = (Di - Dj) and its expanded uncertainty Uij at a 95 % level of confidence computed as explained in the Appendices 1 of the CCEM-K9 Final Report and EUROMET.EM-K9 Final Report, both expressed in µV/V. The CCEM-K9 Matrix of equivalence is extended with degrees of equivalence between participants in EUROMET.EM-K9. |
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 1 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
ULab i : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
ULab i / (µV/V) |
Date of measurement |
| LNE* | 6.0 | 16.1 | Feb 2000 |
| BEV** |
0.7 |
18.1 |
Apr 2000 |
| MIKES** |
0.1 |
10.1 |
May 2000 |
| INETI** |
13.7 |
32.0 |
Jun 2000 |
| AREPA* | 4.7 | 21.1 | Jul 2000 |
| NPL* | -0.3 | 13.1 | Aug 2000 |
| SP* | 2.7 | 9.1 | Sep 2000 |
| IEN* | -0.7 | 14.9 | Oct 2000 |
| CEM* | -6.3 | 36.0 | Nov 2000 |
| PTB* | -0.5 | 8.0 | Jan 2001 |
| NMi-VSL* | 3.0 | 20.0 | May 2001 |
| OMH** |
-0.6 |
43.0 |
Oct 2001 |
| JV** |
-1.1 |
22.1 |
Mar 2002 |
| UME** |
0.9 |
30.1 |
Apr 2002 |
| INTI | -4.5 | 14.1 | Jul 2000 |
| NMIA | 1.0 | 11.1 | Nov 2000 |
| NRC | 0.5 | 10.1 | Mar 2001 |
| VNIIM | -0.6 | 20.3 | May 2001 |
| METAS* | -1.5 | 6.2 | Aug 2001 |
| NIST | 7.4 | 17.1 | Jan 2002 |
| NIM | -0.8 | 24.3 | May 2002 |
| CMI** |
7.5 |
50.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
dLab i-SIM : result of measurement carried out by laboratory i participant in SIM.EM-K9
ULab i-SIM : expanded uncertainty (k = 2) of dLab i-SIM
uLab i-SIM : standard uncertainty (k = 1) of dLab i-SIM
| Lab i | dLab i-SIM / (µV/V) |
ULab i-SIM / (µV/V) |
Date of measurement |
| NIST | 10 | 11.6 | Jan to Feb 04 |
| INTI |
5.2 |
16 |
04 Mar to 16 Apr 04 |
| INMETRO | 5 | 18 | 28 Jun to 28 July 04 |
| CENAM |
5.7 |
15 |
07 to 24 Aug 04 |
| NRC |
6.7 |
10 |
Sep to Oct 04 |
| Lab i | dLab i-SIM / (µV/V) |
uLab i-SIM / (µV/V) |
Date of measurement |
| UTE | 4 | 11 | 18 May to 22 Jun 04 |
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 3 of the Final Report. They were taken between 2000 and 2004.
Measurement results of the participants in key comparison SIM.EM-K9.1 are given in Table IV of the Final Report. They were taken in 2012.
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 10 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
ULab i : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
ULab i / (µV/V) |
Date of measurement |
| LNE* | -1.0 | 35.0 | Feb 2000 |
| BEV** |
0.9 |
20.1 |
Apr 2000 |
| MIKES** |
-9.1 |
10.0 |
May 2000 |
| INETI** |
22.9 |
40.0 |
Jun 2000 |
| AREPA* | 1.9 | 21.1 | Jul 2000 |
| NPL* | -5.1 | 13.1 | Aug 2000 |
| SP* | 0.9 | 10.1 | Sep 2000 |
| IEN* | -4.9 | 15.3 | Oct 2000 |
| CEM* | -2.1 | 40.0 | Nov 2000 |
| PTB* | -3.8 | 8.0 | Jan 2001 |
| NMi-VSL* | -3.1 | 20.0 | May 2001 |
| OMH** |
1.0 |
52.0 |
Oct 2001 |
| JV** |
-2.8 |
24.1 |
Mar 2002 |
| UME** |
1.2 |
30.1 |
Apr 2002 |
| INTI | -4.6 | 16.1 | Jul 2000 |
| NMIA | 0.4 | 14.1 | Nov 2000 |
| NRC | 1.4 | 10.1 | Mar 2001 |
| VNIIM | -3.0 | 20.7 | May 2001 |
| METAS* | -4.0 | 7.2 | Aug 2001 |
| NIST | 1.6 | 17.1 | Jan 2002 |
| NIM | -1.7 | 24.5 | May 2002 |
| CMI** |
0.4 |
50.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
dLab i-SIM : result of measurement carried out by laboratory i participant in SIM.EM-K9
ULab i-SIM : expanded uncertainty (k = 2) of dLab i-SIM
uLab i-SIM : standard uncertainty (k = 1) of dLab i-SIM
| Lab i | dLab i-SIM / (µV/V) |
ULab i-SIM / (µV/V) |
Date of measurement |
| NIST | 4 | 11.7 | Jan to Feb 04 |
| INTI |
3.2 |
20 |
04 Mar to 16 Apr 04 |
| INMETRO | 0 | 18 | 28 Jun to 28 July 04 |
| CENAM |
4.2 |
15 |
07 to 24 Aug 04 |
| NRC |
2.9 |
10 |
Sep to Oct 04 |
| Lab i | dLab i-SIM / (µV/V) |
uLab i-SIM / (µV/V) |
Date of measurement |
| UTE | 10 | 12 | 18 May to 22 Jun 04 |
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 3 of the Final Report. They were taken between 2000 and 2004.
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 20 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
ULab i : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
ULab i / (µV/V) |
Date of measurement |
| LNE* | -8.0 | 35.0 | Feb 2000 |
| BEV** |
0.1 |
24.1 |
Apr 2000 |
| MIKES** |
-16.8 |
10.9 |
May 2000 |
| INETI** |
29.1 |
52.0 |
Jun 2000 |
| AREPA* | 0.1 | 26.0 | Jul 2000 |
| NPL* | -10.9 | 23.1 | Aug 2000 |
| SP* | -2.9 | 11.1 | Sep 2000 |
| IEN* | -11.8 | 25.1 | Oct 2000 |
| CEM* | -6.9 | 44.0 | Nov 2000 |
| PTB* | -7.2 | 8.0 | Jan 2001 |
| NMi-VSL* | -10.1 | 25.0 | May 2001 |
| OMH** |
-20.6 |
80.0 |
Oct 2001 |
| JV** |
-7.6 |
28.0 |
Mar 2002 |
| UME** |
-0.6 |
40.0 |
Apr 2002 |
| INTI | -10.2 | 20.0 | Jul 2000 |
| NMIA | -2.2 | 16.1 | Nov 2000 |
| NRC | 0.8 | 10.1 | Mar 2001 |
| VNIIM | -10.1 | 32.4 | May 2001 |
| METAS* | -6.8 | 7.1 | Aug 2001 |
| NIST | 0.5 | 16.3 | Jan 2002 |
| NIM | -3.8 | 29.2 | May 2002 |
| CMI** |
-1.2 |
62.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
dLab i-SIM : result of measurement carried out by laboratory i participant in SIM.EM-K9
ULab i-SIM : expanded uncertainty (k = 2) of dLab i-SIM
uLab i-SIM : standard uncertainty (k = 1) of dLab i-SIM
| Lab i | dLab i-SIM / (µV/V) |
ULab i-SIM / (µV/V) |
Date of measurement |
| NIST | 1 | 14.1 | Jan to Feb 04 |
| INTI |
6.1 |
33 |
04 Mar to 16 Apr 04 |
| INMETRO | -2 | 18 | 28 Jun to 28 July 04 |
| CENAM |
3.9 |
17 |
07 to 24 Aug 04 |
| NRC |
-2.2 |
10 |
Sep to Oct 04 |
| Lab i | dLab i-SIM / (µV/V) |
uLab i-SIM / (µV/V) |
Date of measurement |
| UTE | 11 | 11 | 18 May to 22 Jun 04 |
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 3 of the Final Report. They were taken between 2000 and 2004.
Measurement results of the participants in key comparison SIM.EM-K9.1 are given in Table IV of the Final Report. They were taken in 2012.
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 50 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
ULab i : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
ULab i / (µV/V) |
Date of measurement |
| LNE* | -31.7 | 69.0 | Feb 2000 |
| BEV** |
- |
- |
Apr 2000 |
| MIKES** |
-47.2 |
23.3 |
May 2000 |
| INETI** |
33.9 |
68.0 |
Jun 2000 |
| AREPA* | -18.1 | 41.0 | Jul 2000 |
| NPL* | -27.1 | 32.0 | Aug 2000 |
| SP* | -15.1 | 15.1 | Sep 2000 |
| IEN* | -30.9 | 37.2 | Oct 2000 |
| CEM* | -36.1 | 64.0 | Nov 2000 |
| PTB* | -21.9 | 10.0 | Jan 2001 |
| NMi-VSL* | -25.2 | 35.0 | May 2001 |
| OMH** |
-45.2 |
120.0 |
Oct 2001 |
| JV** |
-19.5 |
42.0 |
Mar 2002 |
| UME** |
-13.5 |
44.0 |
Apr 2002 |
| INTI | -24.0 | 24.1 | Jul 2000 |
| NMIA | -15.0 | 28.0 | Nov 2000 |
| NRC | -12.0 | 12.1 | Mar 2001 |
| VNIIM | -42.2 | 51.6 | May 2001 |
| METAS* | -21.2 | 10.1 | Aug 2001 |
| NIST | -23.2 | 21.5 | Jan 2002 |
| NIM | -22.7 | 45.4 | May 2002 |
| CMI** |
-28.0 |
78.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
dLab i-SIM : result of measurement carried out by laboratory i participant in SIM.EM-K9
ULab i-SIM : expanded uncertainty (k = 2) of dLab i-SIM
| Lab i | dLab i-SIM / (µV/V) |
ULab i-SIM / (µV/V) |
Date of measurement |
| NIST | -18 | 15.4 | Jan to Feb 04 |
| INTI |
-1.7 |
37 |
04 Mar to 16 Apr 04 |
| INMETRO | -9 | 18 | 28 Jun to 28 July 04 |
| CENAM |
3.3 |
27 |
07 to 24 Aug 04 |
| NRC |
-10.6 |
13 |
Sep to Oct 04 |
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 3 of the Final Report. They were taken between 2000 and 2004.
Measurement results of the participants in key comparison SIM.EM-K9.1 are given in Table IV of the Final Report. They were taken in 2012.
CCEM-K9, EUROMET.EM-K9, SIM.EM-K9, APMP.EM-K9 and
SIM.EM-K9.1
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 1000 V
FREQUENCY : 100 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
ULab i : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
ULab i / (µV/V) |
Date of measurement |
| LNE* | -73.6 | 69.0 | Feb 2000 |
| BEV** |
- |
- |
Apr 2000 |
| MIKES** |
-93.4 |
82.1 |
May 2000 |
| INETI** |
36.4 |
102.0 |
Jun 2000 |
| AREPA* | -52.6 | 81.0 | Jul 2000 |
| NPL* | -63.6 | 62.0 | Aug 2000 |
| SP* | -42.6 | 23.1 | Sep 2000 |
| IEN* | -66.5 | 79.4 | Oct 2000 |
| CEM* | -62.6 | 98.0 | Nov 2000 |
| PTB* | -56.6 | 30.0 | Jan 2001 |
| NMi-VSL* | -61.4 | 50.0 | May 2001 |
| OMH** |
-80.2 |
200.0 |
Oct 2001 |
| JV** |
-41.5 |
68.0 |
Mar 2002 |
| UME** |
-41.1 |
66.0 |
Apr 2002 |
| INTI | -55.8 | 40.0 | Jul 2000 |
| NMIA | -40.8 | 41.0 | Nov 2000 |
| NRC | -53.8 | 24.0 | Mar 2001 |
| VNIIM | -30.4 | 101.0 | May 2001 |
| METAS* | -49.8 | 28.0 | Aug 2001 |
| NIST | -59.2 | 29.2 | Jan 2002 |
| NIM | -72.7 | 59.6 | May 2002 |
| CMI** |
-63.8 |
112.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
dLab i-SIM : result of measurement carried out by laboratory i participant in SIM.EM-K9
ULab i-SIM : expanded uncertainty (k = 2) of dLab i-SIM
| Lab i | dLab i-SIM / (µV/V) |
ULab i-SIM / (µV/V) |
Date of measurement |
| NIST | -35 | 23.4 | Jan to Feb 04 |
| INTI |
10.5 |
74 |
04 Mar to 16 Apr 04 |
| INMETRO | -25 | 42 | 28 Jun to 28 July 04 |
| CENAM |
3.9 |
27 |
07 to 24 Aug 04 |
| NRC |
-18 |
25 |
Sep to Oct 04 |
| |
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 3 of the Final Report. They were taken between 2000 and 2004.
Measurement results of the participants in key comparison SIM.EM-K9.1 are given in Table IV of the Final Report. They were taken in 2012.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 1 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
Ui : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | 3.4 | 13.2 | Feb 2000 |
| BEV** |
1.6 |
13.2 |
Apr 2000 |
| MIKES** |
0.9 |
8.3 |
May 2000 |
| INETI** |
5.6 |
26.1 |
Jun 2000 |
| AREPA* | 4.6 | 21.1 | Jul 2000 |
| NPL* | 0.6 | 13.2 | Aug 2000 |
| SP* | 3.6 | 8.3 | Sep 2000 |
| IEN* | 1.0 | 9.7 | Oct 2000 |
| CEM* | -0.4 | 30.1 | Nov 2000 |
| PTB* | -0.5 | 8.0 | Jan 2001 |
| NMi-VSL* | 2.6 | 15.0 | May 2001 |
| OMH** |
-0.4 |
31.0 |
Oct 2001 |
| JV** |
1.3 |
20.1 |
Mar 2002 |
| UME** |
0.3 |
22.1 |
Apr 2002 |
| INTI | -1.4 | 12.2 | Jul 2000 |
| NMIA | 4.2 | 9.2 | Nov 2000 |
| NRC | 2.6 | 9.0 | Mar 2001 |
| VNIIM | 2.3 | 16.7 | May 2001 |
| METAS* | 0.4 | 6.3 | Aug 2001 |
| NIST | 5.9 | 11.2 | Jan 2002 |
| NIM | 0.1 | 19.7 | May 2002 |
| CMI** |
3.6 |
38.1 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 2 of the Final Report. They were taken between 2000 and 2004.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 10 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
Ui : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | -2.5 | 21.1 | Feb 2000 |
| BEV** |
-0.3 |
15.1 |
Apr 2000 |
| MIKES** |
-8.7 |
7.5 |
May 2000 |
| INETI** |
-11.3 |
30.0 |
Jun 2000 |
| AREPA* | 0.7 | 21.1 | Jul 2000 |
| NPL* | -7.3 | 13.1 | Aug 2000 |
| SP* | 0.7 | 9.1 | Sep 2000 |
| IEN* | -5.0 | 9.5 | Oct 2000 |
| CEM* | -3.3 | 30.0 | Nov 2000 |
| PTB* | -2.8 | 8.0 | Jan 2001 |
| NMi-VSL* | -4.3 | 15.0 | May 2001 |
| OMH** |
-5.3 |
36.0 |
Oct 2001 |
| JV** |
-1.8 |
22.1 |
Mar 2002 |
| UME** |
0.2 |
22.1 |
Apr 2002 |
| INTI | -6.1 | 14.1 | Jul 2000 |
| NMIA | 0.9 | 9.1 | Nov 2000 |
| NRC | 0.9 | 8.7 | Mar 2001 |
| VNIIM | -2.2 | 17.1 | May 2001 |
| METAS* | -3.5 | 6.2 | Aug 2001 |
| NIST | 1.1 | 10.7 | Jan 2002 |
| NIM | -3.6 | 19.6 | May 2002 |
| CMI** |
-5.1 |
38.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 2 of the Final Report. They were taken between 2000 and 2004.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 20 kHz
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | -6.0 | 21.1 | Feb 2000 |
| BEV** |
-2.2 |
19.1 |
Apr 2000 |
| MIKES** |
-14.0 |
8.2 |
May 2000 |
| INETI** |
-18.2 |
36.0 |
Jun 2000 |
| AREPA* | -3.2 | 21.1 | Jul 2000 |
| NPL* | -12.2 | 17.1 | Aug 2000 |
| SP* | -4.2 | 10.2 | Sep 2000 |
| IEN* | -12.3 | 14.1 | Oct 2000 |
| CEM* | -4.2 | 30.1 | Nov 2000 |
| PTB* | -7.0 | 8.0 | Jan 2001 |
| NMi-VSL* | -9.2 | 20.0 | May 2001 |
| OMH** |
-7.1 |
40.0 |
Oct 2001 |
| JV** |
-5.7 |
24.1 |
Mar 2002 |
| UME** |
-3.7 |
26.1 |
Apr 2002 |
| INTI | -9.1 | 16.1 | Jul 2000 |
| NMIA | -2.1 | 10.1 | Nov 2000 |
| NRC | -0.1 | 10.1 | Mar 2001 |
| VNIIM | -11.6 | 24.7 | May 2001 |
| METAS* | -6.9 | 6.2 | Aug 2001 |
| NIST | -2.0 | 11.3 | Jan 2002 |
| NIM | -6.3 | 21.3 | May 2002 |
| CMI** |
-8.1 |
46.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 2 of the Final Report. They were taken between 2000 and 2004.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 50 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
Ui : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | -23.6 | 36.0 | Feb 2000 |
| BEV** |
-13.9 |
21.1 |
Apr 2000 |
| MIKES** |
-43.0 |
13.1 |
May 2000 |
| INETI** |
-37.9 |
46.0 |
Jun 2000 |
| AREPA* | -19.9 | 21.1 | Jul 2000 |
| NPL* | -28.9 | 24.1 | Aug 2000 |
| SP* | -15.9 | 14.1 | Sep 2000 |
| IEN* | -33.1 | 20.3 | Oct 2000 |
| CEM* | -26.9 | 38.0 | Nov 2000 |
| PTB* | -22.5 | 10.0 | Jan 2001 |
| NMi-VSL* | -25.7 | 25.0 | May 2001 |
| OMH** |
-19.0 |
63.0 |
Oct 2001 |
| JV** |
-19.1 |
34.0 |
Mar 2002 |
| UME** |
-18.1 |
36.0 |
Apr 2002 |
| INTI | -24.9 | 18.1 | Jul 2000 |
| NMIA | -13.9 | 15.1 | Nov 2000 |
| NRC | -12.9 | 10.7 | Mar 2001 |
| VNIIM | -41.0 | 40.6 | May 2001 |
| METAS* | -21.3 | 9.1 | Aug 2001 |
| NIST | -25.0 | 14.1 | Jan 2002 |
| NIM | -24.9 | 29.2 | May 2002 |
| CMI** |
-38.9 |
56.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 2 of the Final Report. They were taken between 2000 and 2004.
CCEM-K9, EUROMET.EM-K9 and APMP.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 500 V
FREQUENCY : 100 kHz
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | -61.6 | 36.1 | Feb 2000 |
| BEV** |
-40.9 |
31.1 |
Apr 2000 |
| MIKES** |
-91.1 |
36.0 |
May 2000 |
| INETI** |
-71.9 |
72.0 |
Jun 2000 |
| AREPA* | -53.9 | 41.1 | Jul 2000 |
| NPL* | -68.9 | 46.1 | Aug 2000 |
| SP* | -48.9 | 21.1 | Sep 2000 |
| IEN* | -74.3 | 47.7 | Oct 2000 |
| CEM* | -55.9 | 50.0 | Nov 2000 |
| PTB* | -60.5 | 22.0 | Jan 2001 |
| NMi-VSL* | -63.8 | 40.0 | May 2001 |
| OMH** |
-61.1 |
100.0 |
Oct 2001 |
| JV** |
-45.5 |
48.1 |
Mar 2002 |
| UME** |
-49.9 |
56.1 |
Apr 2002 |
| INTI | -63.0 | 30.1 | Jul 2000 |
| NMIA | -46.0 | 23.1 | Nov 2000 |
| NRC | -59.0 | 24.1 | Mar 2001 |
| VNIIM | -80.2 | 60.4 | May 2001 |
| METAS* | -56.0 | 26.1 | Aug 2001 |
| NIST | -67.0 | 17.9 | Jan 2002 |
| NIM | -81.5 | 39.7 | May 2002 |
| CMI** |
-73.0 |
80.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
Measurement results of the participants in key comparison APMP.EM-K9 are given in Table 2 of the Final Report. They were taken between 2000 and 2004.
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 1 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
Ui : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | -0.1 | 12.2 | Feb 2000 |
| BEV** |
1.5 |
10.2 |
Apr 2000 |
| MIKES** |
0.6 |
7.1 |
May 2000 |
| INETI** |
6.5 |
16.2 |
Jun 2000 |
| AREPA* | 3.5 | 11.2 | Jul 2000 |
| NPL* | 6.5 | 12.2 | Aug 2000 |
| SP* | 3.5 | 7.3 | Sep 2000 |
| IEN* | 2.2 | 8.9 | Oct 2000 |
| CEM* | 3.5 | 22.1 | Nov 2000 |
| PTB* | -0.5 | 8.0 | Jan 2001 |
| NMi-VSL* | - | - | May 2001 |
| OMH** |
- |
- |
Oct 2001 |
| JV** |
0.6 |
18.5 |
Mar 2002 |
| UME** |
0.3 |
18.1 |
Apr 2002 |
| INTI | -3.1 | 10.2 | Jul 2000 |
| NMIA | -0.2 | 7.3 | Nov 2000 |
| NRC | -0.1 | 10.2 | Mar 2001 |
| VNIIM | 2.4 | 12.8 | May 2001 |
| METAS* | -1.5 | 6.3 | Aug 2001 |
| NIST | 5.4 | 5.9 | Jan 2002 |
| NIM | 0.1 | 11.2 | May 2002 |
| CMI** |
-1.1 |
24.1 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 10 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
Ui : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | -5.8 | 13.1 | Feb 2000 |
| BEV** |
-0.6 |
10.2 |
Apr 2000 |
| MIKES** |
-1.8 |
5.9 |
May 2000 |
| INETI** |
2.4 |
16.1 |
Jun 2000 |
| AREPA* | 0.4 | 11.1 | Jul 2000 |
| NPL* | -7.6 | 12.1 | Aug 2000 |
| SP* | 2.4 | 8.2 | Sep 2000 |
| IEN* | -3.6 | 9.0 | Oct 2000 |
| CEM* | 3.4 | 22.1 | Nov 2000 |
| PTB* | -3.3 | 8.0 | Jan 2001 |
| NMi-VSL* | - | - | May 2001 |
| OMH** |
- |
- |
Oct 2001 |
| JV** |
-1.5 |
18.5 |
Mar 2002 |
| UME** |
-2.2 |
18.1 |
Apr 2002 |
| INTI | -5.2 | 10.1 | Jul 2000 |
| NMIA | -2.2 | 7.2 | Nov 2000 |
| NRC | -3.2 | 10.1 | Mar 2001 |
| VNIIM | -1.3 | 12.5 | May 2001 |
| METAS* | -4.4 | 6.2 | Aug 2001 |
| NIST | 1.0 | 6.0 | Jan 2002 |
| NIM | -5.6 | 11.1 | May 2002 |
| CMI** |
-10.2 |
24.1 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 20 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
Ui : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | -7.7 | 13.1 | Feb 2000 |
| BEV** |
-3.6 |
12.1 |
Apr 2000 |
| MIKES** |
-4.7 |
6.6 |
May 2000 |
| INETI** |
-1.6 |
18.0 |
Jun 2000 |
| AREPA* | -4.6 | 11.1 | Jul 2000 |
| NPL* | -9.6 | 14.1 | Aug 2000 |
| SP* | -1.6 | 9.1 | Sep 2000 |
| IEN* | -11.0 | 12.9 | Oct 2000 |
| CEM* | -0.6 | 22.0 | Nov 2000 |
| PTB* | -7.3 | 8.0 | Jan 2001 |
| NMi-VSL* | - | - | May 2001 |
| OMH** |
- |
- |
Oct 2001 |
| JV** |
-5.1 |
20.0 |
Mar 2002 |
| UME** |
-8.1 |
24.0 |
Apr 2002 |
| INTI | -8.3 | 12.1 | Jul 2000 |
| NMIA | -6.3 | 8.1 | Nov 2000 |
| NRC | -4.3 | 10.1 | Mar 2001 |
| VNIIM | -3.3 | 20.2 | May 2001 |
| METAS* | -7.5 | 6.1 | Aug 2001 |
| NIST | -2.5 | 6.1 | Jan 2002 |
| NIM | -8.8 | 11.1 | May 2002 |
| CMI** |
-10.3 |
28.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 50 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
Ui : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | -28.2 | 16.2 | Feb 2000 |
| BEV** |
-19.1 |
16.2 |
Apr 2000 |
| MIKES** |
-20.2 |
7.1 |
May 2000 |
| INETI** |
-16.1 |
20.1 |
Jun 2000 |
| AREPA* | -23.1 | 11.2 | Jul 2000 |
| NPL* | -23.1 | 16.2 | Aug 2000 |
| SP* | -18.1 | 13.2 | Sep 2000 |
| IEN* | -31.8 | 18.3 | Oct 2000 |
| CEM* | -19.1 | 24.1 | Nov 2000 |
| PTB* | -22.7 | 10.0 | Jan 2001 |
| NMi-VSL* | - | - | May 2001 |
| OMH** |
- |
- |
Oct 2001 |
| JV** |
-19.3 |
26.1 |
Mar 2002 |
| UME** |
-21.3 |
30.1 |
Apr 2002 |
| INTI | -23.7 | 16.1 | Jul 2000 |
| NMIA | -19.7 | 11.2 | Nov 2000 |
| NRC | -16.7 | 14.1 | Mar 2001 |
| VNIIM | -14.1 | 30.3 | May 2001 |
| METAS* | -22.8 | 9.2 | Aug 2001 |
| NIST | -20.3 | 8.1 | Jan 2002 |
| NIM | -24.4 | 12.4 | May 2002 |
| CMI** |
-26.7 |
36.1 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
CCEM-K9 and EUROMET.EM-K9
MEASURAND : AC/DC voltage transfer difference
VOLTAGE : 200 V
FREQUENCY : 100 kHz
xi : adjusted value of the measurement reported by laboratory i (see on page 13 of the CCEM Final Report and on page 11 of the EUROMET.EM-K9 Final Report)
Ui : expanded uncertainty at a 95 % level of confidence of xi
| Lab i | xi / (µV/V) |
Ui / (µV/V) |
Date of measurement |
| LNE* | -70.7 | 16.2 | Feb 2000 |
| BEV** |
-52.2 |
21.1 |
Apr 2000 |
| MIKES** |
-54.5 |
8.5 |
May 2000 |
| INETI** |
-49.2 |
30.1 |
Jun 2000 |
| AREPA* | -66.2 | 26.1 | Jul 2000 |
| NPL* | -61.2 | 20.1 | Aug 2000 |
| SP* | -49.2 | 19.2 | Sep 2000 |
| IEN* | -71.5 | 42.5 | Oct 2000 |
| CEM* | -54.2 | 28.9 | Nov 2000 |
| PTB* | -61.9 | 22.0 | Jan 2001 |
| NMi-VSL* | - | - | May 2001 |
| OMH** |
- |
- |
Oct 2001 |
| JV** |
-48.6 |
36.1 |
Mar 2002 |
| UME** |
-59.3 |
44.1 |
Apr 2002 |
| INTI | -61.3 | 24.1 | Jul 2000 |
| NMIA | -53.3 | 18.1 | Nov 2000 |
| NRC | -56.3 | 22.7 | Mar 2001 |
| VNIIM | -61.0 | 40.5 | May 2001 |
| METAS* | -60.3 | 24.1 | Aug 2001 |
| NIST | -58.5 | 11.0 | Jan 2002 |
| NIM | -65.9 | 13.4 | May 2002 |
| CMI** |
-63.3 |
60.0 |
Dec 2002 |
* common participant in CCEM-K9 and EUROMET.EM-K9
** participant in EUROMET.EM-K9 only
