Comparison
Comparison close
Results

BIPM.EM-K11, APMP.EM.BIPM-K11.1, COOMET.EM.BIPM-K11.a, EUROMET.EM.BIPM-K11.6, COOMET.EM.BIPM-K11, APMP.EM.BIPM-K11.4, APMP.EM.BIPM-K11.3, APMP.EM.BIPM-K11.5 and GULFMET.EM.BIPM-K11

 

MEASURAND               DC voltage, Zener diode

NOMINAL VALUE       1.018 V

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV.

1 V
Di / µV
Participating institutes

BIPM.EM-K11 at 1.018 V previously represented as BIPM.EM-K11.a

For higher resolution graph, please click here.

BIPM.EM-K11, EUROMET.EM.BIPM-K11, APMP.EM.BIPM-K11.1, EUROMET.EM.BIPM-K11.5, EUROMET.EM.BIPM-K11.6, SIM.EM.BIPM-K11.b, COOMET.EM.BIPM-K11, APMP.EM.BIPM-K11.4, APMP.EM.BIPM-K11.3, APMP.EM.BIPM-K11.5 and GULFMET.EM.BIPM-K11

 

MEASURAND             DC voltage, Zener diode

NOMINAL VALUE    10 V

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV.

10 V
Di / µV
Participating institutes

BIPM.EM-K11 at 10 V previously represented as BIPM.EM-K11.b

For higher resolution graph, please click here.

Comparison
Comparison close
Results

BIPM.EM-K11, APMP.EM.BIPM-K11.1, COOMET.EM.BIPM-K11.a, EUROMET.EM.BIPM-K11.6, COOMET.EM.BIPM-K11, APMP.EM.BIPM-K11.4, APMP.EM.BIPM-K11.3, APMP.EM.BIPM-K11.5 and GULFMET.EM.BIPM-K11

 

MEASURAND               DC voltage, Zener diode

NOMINAL VALUE       1.018 V

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV.

LABi Di Uneg,i Upos,i
µV
µV
µV
JV -0.04 0.05
VNIIM 0.00 0.05
CMI 0.10 1.56
BEV -0.01 0.03
SMU (a) -0.09 0.08
GUM 0.00 0.08
NSAI NML (a) 0.06 0.57
NMIA 0.03 0.05
KRISS 0.07 0.10
INTI -0.01 0.06
INM (RO) -0.01 0.10
DMDM 0.09 0.14
NIS 0.09 0.16
NIMT 0.16 0.28
SMD 0.14 0.14
JV 0.23 0.06
DEFNAT 0.07 0.08
NMISA 0.07 0.04
KEBS 0.11 0.68
BIM -0.01 0.05
SCL 0.07 0.12
BelGIM 0.05 0.43
INM (RO) 0.29 0.57
BelGIM -0.01 0.07
VMI-STAMEQ 0.10 0.20
NMIA 0.00 0.13
NMC A*STAR 0.02 0.13
NML SIRIM 0.01 0.13
CMS ITRI 0.00 0.14
NMIJ 0.05 0.13
NIMT 0.04 0.13
SCL 0.01 0.13
KazInMetr -0.22 0.15
NMIJ 0.07 0.10
CMS 0.10 0.11
SCL 0.03 0.14
QCC EMI 0.11 2.53
SASO-NMCC -0.10 0.78
IMBIH -0.49 0.98
Participating institutes
BIPM.EM-K11
APMP.EM.BIPM-K11.1
COOMET.EM.BIPM-K11.a
EUROMET.EM.BIPM-K11.6
COOMET.EM.BIPM-K11
APMP.EM.BIPM-K11.4
APMP.EM.BIPM-K11.3
APMP.EM.BIPM-K11.5
GULFMET.EM.BIPM-K11

BIPM.EM-K11 at 1.018 V previously represented as BIPM.EM-K11.a

BIPM.EM-K11, EUROMET.EM.BIPM-K11, APMP.EM.BIPM-K11.1, EUROMET.EM.BIPM-K11.5, EUROMET.EM.BIPM-K11.6, SIM.EM.BIPM-K11.b, COOMET.EM.BIPM-K11, APMP.EM.BIPM-K11.4, APMP.EM.BIPM-K11.3, APMP.EM.BIPM-K11.5 and GULFMET.EM.BIPM-K11

 

MEASURAND             DC voltage, Zener diode

NOMINAL VALUE    10 V

 

Degrees of equivalence represented by Di = (xI - xR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV.

LABi Di Uneg,i Upos,i
µV
µV
µV
SPRING 0.16 0.22
NIST 0.26 0.28
METAS -0.14 0.28
CMI 0.77 1.46
BEV -0.04 0.20
SMU -0.04 1.72
GUM -0.06 0.26
NMISA -0.01 0.66
NMIA 0.13 0.28
VNIIM -0.22 0.68
KRISS -0.03 0.20
INTI -0.24 0.76
INM (RO) -0.43 0.68
DMDM 0.39 0.24
NIS 0.22 0.28
NIMT -0.03 0.22
SMD 0.09 0.98
JV 0.63 0.56
DEFNAT 0.38 0.20
NMISA 0.00 0.68
KEBS 0.25 3.10
BIM 0.30 0.18
NSAI NML -2.99 3.42
LNE 0.35 0.59
NPL -0.36 0.49
NML (IE) -0.18 4.13
UME -0.05 0.48
DFM -0.01 0.50
SP -0.07 0.50
MIKES -0.11 0.52
JV -0.30 0.51
SMD -0.20 3.73
CMI 0.73 1.54
BEV -0.19 0.61
SMU -0.17 0.49
NMi-VSL -0.16 0.50
CEM 0.31 0.49
INETI -2.69 6.52
METAS 0.00 0.49
PTB 0.15 0.49
EIM -0.55 0.56
MIRS/SIQ 0.30 6.11
OMH -0.65 6.49
SCL -0.33 0.60
INM(RO) 3.34 5.06
VMT/PFI -0.11 0.58
CENAM 0.23 0.28
BelGIM -0.28 0.88
VMI-STAMEQ -1.21 2.76
NMIA -0.27 0.62
NMC A*STAR -0.23 0.63
NML SIRIM -0.02 0.63
CMS ITRI -0.06 0.66
NMIJ 0.24 0.62
NIMT 0.40 0.63
SCL 0.06 0.62
KazInMetr -0.37 0.65
NMIJ 0.18 0.67
CMS -0.10 0.69
SCL 0.04 0.40
QCC EMI 4.49 7.34
SASO-NMCC -0.09 3.55
IMBIH -0.33 4.84
Participating institutes
BIPM.EM-K11
EUROMET.EM.BIPM-K11
APMP.EM.BIPM-K11.1
EUROMET.EM.BIPM-K11.6
EUROMET.EM.BIPM-K11.5
SIM.EM.BIPM-K11.b
COOMET.EM.BIPM-K11
APMP.EM.BIPM-K11.4
APMP.EM.BIPM-K11.3
APMP.EM.BIPM-K11.5
GULFMET.EM.BIPM-K11

BIPM.EM-K11 at 10 V previously represented as BIPM.EM-K11.b

EUROMET.EM.BIPM-K11
Metrology area, Sub-field Electricity and Magnetism, DC Voltage and Current
Description DC voltage, Zener diode
Time of measurements 1998 - 2000
Status Approved for equivalence
Final Reports of the comparisons
Measurand DC voltage
10 V
Transfer device Four Fluke 732B Zeners
Comparison type Key Comparison
Consultative Committee CCEM (Consultative Committee for Electricity and Magnetism)
Conducted by EURAMET (European Association of National Metrology Institutes)
RMO Internal Identifier EUROMET Project No 429
Comments This comparison was identified as "EUROMET.EM-K11" before the 23rd CCEM meeting held on 12-13 September 2002.
Results published on 30 April 2003
Pilot institute VSL
VSL
Netherlands
Contact person Erik Dierikx
edierikx@vsl.nl
+31 (0) 6 3111 9878
First Name Last Name
wwww@ww.www +356719836 Institute 1 Institute 1 Khmelnitskiy
BEV

Bundesamt für Eich- und Vermessungswesen, Austria, EURAMET

BIPM

Bureau International des Poids et Mesures, BIPM - International Organization, N/A

CEM

Centro Español de Metrologia, Spain, EURAMET

CMI

Czech Metrology Institute, Czechia, EURAMET

DFM

Danish Fundamental Metrology Ltd, Denmark, EURAMET

EIM

Hellenic Institute of Metrology, Greece, EURAMET

INETI

Instituto Nacional de Engenharia e Tecnologia Industrial (merged into IPQ), Portugal, EURAMET

JV

Justervesenet, Norway, EURAMET

LNE

Laboratoire national de métrologie et d'essais, France, EURAMET

METAS

Federal Institute of Metrology, Switzerland, EURAMET

MIKES

VTT Technical Research Centre of Finland Ltd, Centre for Metrology/Mittatekniikan keskus, Finland, EURAMET

MIRS/SIQ

Metrology Institute of the Republic of Slovenia - Slovenian Institute of Quality and Metrology (became MIRS/SIQ/Metrology), Slovenia, EURAMET

NML(IE)

National Metrology Laboratory of Ireland; now NSAI National Metrology Laboratory, NSAI NML, Ireland, EURAMET

NMi-VSL

Nederlands Meetinstituut - Van Swinden Laboratorium (became VSL in 2009), Netherlands, EURAMET

NPL

National Physical Laboratory, United Kingdom, EURAMET

OMH

Országos Mérésügyi Hivatal; Subsequently MKEH, now BKFH, Hungary, EURAMET

PTB

Physikalisch-Technische Bundesanstalt, Germany, EURAMET

SMD

Service de la Métrologie Belge, Belgium, EURAMET

SMU

Slovensky Metrologicky Ustav, Slovakia, EURAMET

SP

Technical Research Institute of Sweden from 2017 Research Institutes of Sweden AB, Sweden, EURAMET

UME

TÜBITAK Ulusal Metroloji Enstitüsü, Turkey, EURAMET

Comparison
Comparison close
Results

BIPM.EM-K11, APMP.EM.BIPM-K11.1, COOMET.EM.BIPM-K11.a, EUROMET.EM.BIPM-K11.6, COOMET.EM.BIPM-K11, APMP.EM.BIPM-K11.4, APMP.EM.BIPM-K11.3, APMP.EM.BIPM-K11.5 and GULFMET.EM.BIPM-K11

 

MEASURAND               DC voltage, Zener diode

NOMINAL VALUE       1.018 V

 

The key comparison reference value is the BIPM value. Its standard uncertainty is evaluated to be 0.01 µV and is included in the ui's values.

The degree of equivalence of laboratory i with respect to the key comparison reference value xR is given by a pair of terms: Di = (xI - xR) and its expanded uncertainty Ui = 2ui  at a 95 % level of confidence, both expressed in µV.

 

Linking APMP.EM.BIPM-K11.1 to BIPM.EM-K11

The linking of APMP.EM.BIPM-K11.1 to BIPM.EM-K11 is made via NMIA (Australia), having participated in both comparisons.

 

Linking COOMET.EM.BIPM-K11.a to BIPM.EM-K11

The linking of COOMET.EM.BIPM-K11.a to BIPM.EM-K11 is made via VNIIM (Russia) having participated in both comparisons.

 

Linking EUROMET.EM.BIPM-K11.6 to BIPM.EM-K11

The linking of EUROMET.EM.BIPM-K11.6 to BIPM.EM-K11 is made via BEV (Austria)  and UME (Turkey), having participated in both comparisons.

 

Linking COOMET.EM.BIPM-K11 to BIPM.EM-K11

The linking of COOMET.EM.BIPM-K11 to BIPM.EM-K11 is made via VNIIM (Russia), having participated in both comparisons.

 

Linking APMP.EM.BIPM-K11.4 to BIPM.EM-K11

The linking of APMP.EM.BIPM-K11.4 to BIPM.EM-K11 is made via KRISS (Korea), having participated in both comparisons.

 

Linking APMP.EM.BIPM-K11.3 to BIPM.EM-K11.a

The linking of APMP.EM.BIPM-K11.3 to BIPM.EM-K11 is made via NIM (China), KRISS (Korea) and the BIPM, having participated in both comparisons.

 

Linking APMP.EM.BIPM-K11.5 to BIPM.EM-K11

The linking of APMP.EM.BIPM-K11.5 to BIPM.EM-K11 is made via KRISS (Korea), having participated in both comparisons.

 

Linking GULFMET.EM.BIPM-K11 to BIPM.EM-K11

The linking of GULFMET.EM.BIPM-K11 to BIPM.EM-K11 is made via KRISS (Korea) and BIPM, having participated in both comparisons.

BIPM.EM-K11, EUROMET.EM.BIPM-K11, APMP.EM.BIPM-K11.1, EUROMET.EM.BIPM-K11.5, EUROMET.EM.BIPM-K11.6, SIM.EM.BIPM-K11.b, COOMET.EM.BIPM-K11, APMP.EM.BIPM-K11.4, APMP.EM.BIPM-K11.3, APMP.EM.BIPM-K11.5 and GULFMET.EM.BIPM-K11

 

MEASURAND             DC voltage, Zener diode

NOMINAL VALUE    10 V

 

The key comparison reference value is the BIPM value, xR. Its standard uncertainty uR is evaluated to be 0.1 µV and is included in the ui values.

The degree of equivalence of laboratory i with respect to the key comparison reference value xR is given by a pair of terms: Di = (xI - xR) and its expanded uncertainty Ui = 2ui  at a 95 % level of confidence, both expressed in µV.

 

Linking EUROMET.EM.BIPM-K11 to BIPM.EM-K11

The linking of EUROMET.EM.BIPM-K11 to BIPM.EM-K11 is made via BIPM, having participated in both comparisons.

 

Linking APMP.EM.BIPM-K11.1 to BIPM.EM-K11

The linking of APMP.EM.BIPM-K11.1 to BIPM.EM-K11 is made via NMIA (Australia), having participated in both comparisons.

 

Linking EUROMET.EM.BIPM-K11.5 to BIPM.EM-K11

The linking of EUROMET.EM.BIPM-K11.5 to BIPM.EM-K11 is made via DFM (Denmark), having participated in both comparisons.

 

Linking EUROMET.EM.BIPM-K11.6 to BIPM.EM-K11

The linking of EUROMET.EM.BIPM-K11.6 to BIPM.EM-K11 is made via BEV (Austria)  and UME (Turkey), having participated in both comparisons.

 

Linking SIM.EM.BIPM-K11.b to BIPM.EM-K11

The linking of SIM.EM.BIPM-K11.b to BIPM.EM-K11 is made via NIST (United States), having participated in both comparisons.

 

Linking COOMET.EM.BIPM-K11 to BIPM.EM-K11

The linking of COOMET.EM.BIPM-K11 to BIPM.EM-K11 is made via VNIIM (Russia), having participated in both comparisons.

 

Linking APMP.EM.BIPM-K11.4 to BIPM.EM-K11

The linking of APMP.EM.BIPM-K11.4 to BIPM.EM-K11 is made via KRISS (Korea), having participated in both comparisons.

 

Linking APMP.EM.BIPM-K11.3 to BIPM.EM-K11

The linking of APMP.EM.BIPM-K11.3 to BIPM.EM-K11 is made via NIM (China), KRISS (Korea) and the BIPM, having participated in both comparisons.

 

Linking APMP.EM.BIPM-K11.5 to BIPM.EM-K11

The linking of APMP.EM.BIPM-K11.5 to BIPM.EM-K11 is made via KRISS (Korea), having participated in both comparisons.

 

Linking GULFMET.EM.BIPM-K11 to BIPM.EM-K11

The linking of GULFMET.EM.BIPM-K11 to BIPM.EM-K11 is made via KRISS (Korea) and BIPM, having participated in both comparisons.

Comparison
Comparison close
Results

BIPM.EM-K11, APMP.EM.BIPM-K11.1, COOMET.EM.BIPM-K11.a, EUROMET.EM.BIPM-K11.6, COOMET.EM.BIPM-K11, APMP.EM.BIPM-K11.4, APMP.EM.BIPM-K11.3, APMP.EM.BIPM-K11.5 and GULFMET.EM.BIPM-K11

 

MEASURAND               DC voltage, Zener diode

NOMINAL VALUE       1.018 V

 

BIPM.EM-K11

 

xi   measured voltage reported by laboratory iLabi

ui   combined standard uncertainty of xi

 

BIPM.EM-K11, EUROMET.EM.BIPM-K11, APMP.EM.BIPM-K11.1, EUROMET.EM.BIPM-K11.5, EUROMET.EM.BIPM-K11.6, SIM.EM.BIPM-K11.b, COOMET.EM.BIPM-K11, APMP.EM.BIPM-K11.4, APMP.EM.BIPM-K11.3, APMP.EM.BIPM-K11.5 and GULFMET.EM.BIPM-K11

 

MEASURAND             DC voltage, Zener diode

NOMINAL VALUE    10 V

 

xi   measured voltage reported by laboratory iLabi

ui   combined standard uncertainty of xi