CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 500 mg
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
For a smaller scale graph, please click here.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 5 g
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
For a smaller scale graph, please click here.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 10 g
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 100 g
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 5 kg
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
For a smaller scale graph, please click here.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 500 mg
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg |
mg |
mg |
||
| KRISS | 0.0006 | 0.0008 | ||
| NIS | 0.0010 | 0.0014 | ||
| VNIIM | -0.0009 | 0.0016 | ||
| CENAM | -0.0006 | 0.0014 | ||
| NIST | -0.0008 | 0.0008 | ||
| PTB | 0.0001 | 0.0006 | ||
| METAS | 0.0007 | 0.0016 | ||
| CEM | 0.0004 | 0.0010 | ||
| INRiM | 0.0000 | 0.0012 | ||
| NIM | -0.0011 | 0.0016 | ||
| UME | -0.0007 | 0.0048 | ||
| METAS | -0.0007 | 0.0016 | ||
| INRIM | 0.0000 | 0.0012 | ||
| EMI | 0.0001 | 0.0066 | ||
| SASO | -0.0003 | 0.0065 | ||
| PAI | 0.0236 | 0.0074 | ||
| QGOSM | 0.0040 | 0.0803 | ||
| NIS | -0.0003 | 0.0012 | ||
| METAS | -0.0004 | 0.0007 | ||
| LPEE | 0.0004 | 0.0080 | ||
| ZMA | -0.0030 | 0.0150 | ||
| NMISA | 0.0020 | 0.0025 | ||
| KEBS | -0.0002 | 0.0019 |
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 5 g
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg |
mg |
mg |
||
| KRISS | -0.0001 | 0.0018 | ||
| NIS | 0.0030 | 0.0042 | ||
| VNIIM | 0.0027 | 0.0024 | ||
| CENAM | 0.0006 | 0.0026 | ||
| NIST | -0.0011 | 0.0028 | ||
| PTB | -0.0014 | 0.0016 | ||
| METAS | -0.0002 | 0.0030 | ||
| CEM | -0.0001 | 0.0020 | ||
| INRiM | -0.0004 | 0.0024 | ||
| NIM | -0.0004 | 0.0022 | ||
| UME | 0.0006 | 0.0021 | ||
| METAS | 0.0008 | 0.0021 | ||
| INRIM | 0.0003 | 0.0024 | ||
| EMI | -0.0009 | 0.0026 | ||
| SASO | -0.0025 | 0.004 | ||
| PAI | 0.0034 | 0.0063 | ||
| QGOSM | -0.0066 | 0.0600 | ||
| NIS | 0.0005 | 0.0018 | ||
| METAS | 0.0002 | 0.0010 | ||
| LPEE | -0.0027 | 0.0150 | ||
| ZMA | -0.0011 | 0.0240 | ||
| NMISA | -0.0017 | 0.0051 | ||
| KEBS | -0.0031 | 0.0059 |
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 10 g
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg |
mg |
mg |
||
| KRISS | 0.0034 | 0.0040 | ||
| NIS | 0.0016 | 0.0054 | ||
| VNIIM | 0.0020 | 0.0040 | ||
| CENAM | 0.0011 | 0.0038 | ||
| NIST | -0.0016 | 0.0050 | ||
| PTB | -0.0021 | 0.0024 | ||
| METAS | -0.0026 | 0.0044 | ||
| CEM | 0.0004 | 0.0028 | ||
| INRiM | 0.0005 | 0.0038 | ||
| NIM | -0.0021 | 0.0040 | ||
| UME | 0.0012 | 0.003 | ||
| METAS | -0.0002 | 0.0031 | ||
| INRIM | 0.0001 | 0.0037 | ||
| EMI | -0.0031 | 0.0049 | ||
| SASO | -0.0010 | 0.0053 | ||
| PAI | 0.0085 | 0.0086 | ||
| QGOSM | 0.0381 | 0.0100 | ||
| NIS | -0.0002 | 0.0038 | ||
| METAS | -0.0002 | 0.0006 | ||
| LPEE | 0.0018 | 0.0200 | ||
| ZMA | -0.0022 | 0.0320 | ||
| NMISA | -0.0057 | 0.0063 | ||
| KEBS | 0.0098 | 0.0060 |
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 100 g
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg |
mg |
mg |
||
| KRISS | 0.002 | 0.007 | ||
| NIS | -0.011 | 0.012 | ||
| VNIIM | -0.010 | 0.009 | ||
| CENAM | 0.009 | 0.013 | ||
| NIST | -0.007 | 0.010 | ||
| PTB | -0.003 | 0.005 | ||
| METAS | 0.003 | 0.008 | ||
| CEM | 0.001 | 0.005 | ||
| INRiM | 0.004 | 0.008 | ||
| NIM | 0.004 | 0.006 | ||
| UME | -0.004 | 0.013 | ||
| METAS | -0.003 | 0.008 | ||
| INRIM | -0.004 | 0.008 | ||
| EMI | -0.020 | 0.019 | ||
| SASO | 0.006 | 0.016 | ||
| PAI | 0.012 | 0.021 | ||
| QGOSM | -0.009 | 0.010 | ||
| NIS | -0.001 | 0.006 | ||
| METAS | 0.000 | 0.001 | ||
| LPEE | 0.001 | 0.050 | ||
| ZMA | 0.042 | 0.084 | ||
| NMISA | -0.011 | 0.016 | ||
| KEBS | 0.011 | 0.020 |
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 5 kg
Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mg.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mg |
mg |
mg |
||
| KRISS | 0.04 | 0.21 | ||
| NIS | 0.05 | 0.59 | ||
| VNIIM | 0.36 | 0.43 | ||
| CENAM | 0.07 | 0.41 | ||
| NIST | -0.19 | 0.24 | ||
| PTB | -0.03 | 0.15 | ||
| METAS | 0.16 | 0.30 | ||
| CEM | -0.11 | 0.39 | ||
| INRiM | -0.01 | 0.18 | ||
| NIM | -0.07 | 0.17 | ||
| UME | -0.12 | 0.34 | ||
| METAS | -0.16 | 0.30 | ||
| INRIM | 0.01 | 0.20 | ||
| EMI | 0.10 | 0.51 | ||
| SASO | -0.02 | 0.58 | ||
| PAI | -13.58 | 0.85 | ||
| QGOSM | -12.74 | 2.03 | ||
| NIS | 0.09 | 0.18 | ||
| METAS | -0.10 | 0.16 | ||
| LPEE | 0.51 | 2.50 | ||
| ZMA | 0.41 | 11.99 | ||
| NMISA | 0.20 | 0.81 | ||
| KEBS | 0.11 | 0.79 |
| Metrology area, Sub-field | Mass and related quantities, Mass Standards |
| Description | Comparison of mass standards |
| Time of measurements | 2019 |
| Status | Approved for equivalence |
| Final Reports of the comparisons | |
| Measurand | Mass : 500 mg, 5 g, 10 g, 100 g and 5 kg |
| Transfer device | 5 transfer standards (5 kg, 100 g, 10 g, 5 g, 500 mg) |
| Comparison type | Key Comparison |
| Consultative Committee | CCM (Consultative Committee for Mass and Related Quantities) |
| Conducted by | AFRIMETS (Intra-Africa Metrology System) |
| Pilot institute |
NIS
National Institute for Standards Egypt |
| Contact person | Emira SAYED |
| Pilot laboratory | |
|---|---|
| NIS |
National Institute for Standards, Egypt, AFRIMETS |
| KEBS |
Kenya Bureau of Standards, Kenya, AFRIMETS |
| METAS |
Federal Institute of Metrology, Switzerland, EURAMET |
| NMISA |
National Metrology Institute of South Africa, South Africa, AFRIMETS |
| ZABS |
Zambia Bureau of Standards, Zambia, AFRIMETS |
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" :
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 500 mg
The key comparison reference value xR = (m + d ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR
m = 500 mg d = - 0.00057 mg uR = 0.00033 mg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:
Di and its expanded uncertainty Ui (k = 2), both expressed in mg.
Linking GULFMET.M.M-K7 to CCM.M-K7
The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.
Linking AFRIMETS.M.M-K7 to CCM.M-K7
The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 5 g
The key comparison reference value xR = (m + d ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR
m = 5 g d = 0.00008 mg uR = 0.00077 mg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:
Di and its expanded uncertainty Ui (k = 2), both expressed in mg.
Linking GULFMET.M.M-K7 to CCM.M-K7
The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.
Linking AFRIMETS.M.M-K7 to CCM.M-K7
The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 10 g
The key comparison reference value xR = (m + d ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR
m = 10 g d = - 0.0034 mg uR = 0.0014 mg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:
Di and its expanded uncertainty Ui (k = 2), both expressed in mg.
Linking GULFMET.M.M-K7 to CCM.M-K7
The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.
Linking AFRIMETS.M.M-K7 to CCM.M-K7
The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 100 g
The key comparison reference value xR = (m + d ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR
m = 100 mg d = - 0.0021 mg uR = 0.0028 mg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:
Di and its expanded uncertainty Ui (k = 2), both expressed in mg.
Linking GULFMET.M.M-K7 to CCM.M-K7
The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.
Linking AFRIMETS.M.M-K7 to CCM.M-K7
The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 5 kg
The key comparison reference value xR = (m + d ) at each nominal mass m was calculated as the median with the associated standard uncertainty uR
m = 5 kg d = - 0.0361 mg uR = 0.081 mg
The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms:
Di and its expanded uncertainty Ui (k = 2), both expressed in mg.
Linking GULFMET.M.M-K7 to CCM.M-K7
The linkage was made via participation of INRIM and METAS in both key comparisons. The linking process is described in the GULFMET.M.M-K7 Final Report.
Linking AFRIMETS.M.M-K7 to CCM.M-K7
The linkage was made via participation of NIS and METAS in both key comparisons. The linking process is described in the AFRIMETS.M.M-K7 Final Report.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 500 mg
CCM.M-K7
The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.
xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi
PETAL A
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 1 | 0.0019 | 0.0003 | |
| NIS | 0.0024 | 0.0007 | |
| VNIIM | 0.0005 | 0.0008 | |
| CENAM | 0.0009 | 0.0007 | |
| NIST | 0.0006 | 0.0003 | |
| KRISS - 2 | 0.0021 | 0.0003 | |
PETAL B
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 3 | 0.0023 | 0.0003 | |
| PTB | 0.0022 | 0.0002 | |
| METAS | 0.0027 | 0.0008 | |
| CEM | 0.0024 | 0.0005 | |
| INRIM | 0.0020 | 0.0006 | |
| NIM | 0.0090 | 0.0008 | |
| KRISS - 4 | 0.0029 | 0.0003 | |
|
|
GULFMET.M.M-K7
The measurement results of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.
AFRIMETS.M.M-K7
The measurement results of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 5 g
CCM.M-K7
The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.
xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi
PETAL A
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 1 | 0.0077 | 0.0004 | |
| NIS | 0.0112 | 0.0020 | |
| VNIIM | 0.0109 | 0.0009 | |
| CENAM | 0.0088 | 0.0011 | |
| NIST | 0.0071 | 0.0012 | |
| KRISS - 2 | 0.0085 | 0.0004 | |
PETAL B
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 3 | 0.0079 | 0.0004 | |
| PTB | 0.0770 | 0.0004 | |
| METAS | 0.0089 | 0.0015 | |
| CEM | 0.0090 | 0.0009 | |
| INRIM | 0.0087 | 0.0012 | |
| NIM | 0.0087 | 0.0010 | |
| KRISS - 4 | 0.0101 | 0.0004 | |
GULFMET.M.M-K7
The measurement results of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.
AFRIMETS.M.M-K7
The measurement results of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 10 g
CCM.M-K7
The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.
xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi
PETAL A
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 1 | 0.0116 | 0.0015 | |
| NIS | 0.0090 | 0.0026 | |
| VNIIM | 0.0094 | 0.0017 | |
| CENAM | 0.0085 | 0.0017 | |
| NIST | 0.0058 | 0.0024 | |
| KRISS - 2 | 0.0100 | 0.0015 | |
|
|
PETAL B
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 3 | 0.0120 | 0.0015 | |
| PTB | 0.0068 | 0.0005 | |
| METAS | 0.0063 | 0.0020 | |
| CEM | 0.0093 | 0.0011 | |
| INRIM | 0.0094 | 0.0019 | |
| NIM | 0.0068 | 0.0018 | |
| KRISS - 4 | 0.0125 | 0.0015 | |
GULFMET.M.M-K7
The measurement results of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.
AFRIMETS.M.M-K7
The measurement results of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 100 g
CCM.M-K7
The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.
xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi
PETAL A
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 1 | 0.0179 | 0.0025 | |
| NIS | 0.0026 | 0.0050 | |
| VNIIM | 0.0029 | 0.0030 | |
| CENAM | 0.0225 | 0.0057 | |
| NIST | 0.0059 | 0.0042 | |
| KRISS - 2 | 0.0126 | 0.0025 | |
PETAL B
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 3 | 0.0109 | 0.0025 | |
| PTB | 0.0031 | 0.0015 | |
| METAS | 0.0057 | 0.0045 | |
| CEM | 0.0076 | 0.0026 | |
| INRIM | 0.0099 | 0.0042 | |
| NIM | 0.0102 | 0.0024 | |
| KRISS - 4 | 0.0056 | 0.0025 | |
GULFMET.M.M-K7
The measurement results of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.
AFRIMETS.M.M-K7
The measurement results of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.
CCM.M-K7, GULFMET.M.M-K7 and AFRIMETS.M.M-K7
MEASURAND Mass standard
NOMINAL VALUE 5 kg
CCM.M-K7
The key comparison was organized in two “petals” and used two sets of mass standards.
Measurements were carried out from April 2014 to March 2015.
KRISS acted as the Pilot Laboratory.
xi : reported result obtained as the difference between the measurement of the mass standard carried out by laboratory i and its nominal value
ui : combined standard uncertainty of xi
PETAL A
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 1 | 0.135 | 0.073 | |
| NIS | 0.10 | 0.30 | |
| VNIIM | 0.41 | 0.20 | |
| CENAM | 0.12 | 0.20 | |
| NIST | -0.14 | 0.09 | |
| KRISS - 2 | 0.040 | 0.073 | |
PETAL B
| Labi | xi | ui | |
| mg | mg | ||
| KRISS - 3 | -0.271 | 0.073 | |
| PTB | -3.550 | 0.056 | |
| METAS | -0.170 | 0.146 | |
| CEM | -0.440 | 0.200 | |
| INRIM | -0.355 | 0.085 | |
| NIM | -0.40 | 0.07 | |
| KRISS - 4 | -0.310 | 0.073 | |
GULFMET.M.M-K7
The measurement results of the laboratories participants in GULFMET.M.M-K7 are given in Table 5 of the GULFMET.M.M-K7 Final Report.
AFRIMETS.M.M-K7
The measurement results of the laboratories participants in AFRIMETS.M.M-K7 are given in Section 7 of the AFRIMETS.M.M-K7 Final Report.
