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
JV 0.23 0.06
NMISA 0.07 0.04
KEBS 0.11 0.68
BIM -0.01 0.05
SMD -0.03 0.26
DEFNAT 0.03 0.06
NPLI -2.91 1.36
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
JV 0.63 0.56
NMISA 0.00 0.68
KEBS 0.25 3.10
BIM 0.30 0.18
NSAI NML -2.99 3.42
SMD 0.02 0.56
DEFNAT 0.44 0.24
NPLI -4.97 0.38
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

APMP.EM.BIPM-K11.3
Metrology area, Sub-field Electricity and Magnetism, DC Voltage and Current
Description DC voltage, Zener diode
Time of measurements 2009 - 2011
Status Approved for equivalence
Final Reports of the comparisons
References

APMP.EM.BIPM-K11.3 Technical Protocol

Measurand DC voltage
1.018 V and 10 V
Transfer device Three Zener standards
Comparison type Key Comparison
Consultative Committee CCEM (Consultative Committee for Electricity and Magnetism)
Conducted by APMP (Asia Pacific Metrology Programme)
Comments Published on 23 August 2017
Pilot institute KRISS
Korea Research Institute of Standards and Science
Korea, Republic of
Contact person Kyu-Tae Kim

+82 42 868 5157
First Name Last Name
wwww@ww.www +356719836 Institute 1 Institute 1 Khmelnitskiy
Pilot laboratory
KRISS

Korea Research Institute of Standards and Science, Korea, Republic of, APMP

BIPM

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

KazStandard

Kazakhstan Institute of Standardization and Metrology, Kazakhstan, COOMET

NIMT

National Institute of Metrology (Thailand), Thailand, APMP

NMC, A*STAR

National Metrology Centre, Agency for Science, Technology and Research, Singapore, APMP

NMIA

National Measurement Institute, Australia, Australia, APMP

NMIJ AIST

National Metrology Institute of Japan, Japan, APMP

SCL

Standards and Calibration Laboratory, Hong Kong, China, APMP

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 difference reported by laboratory iLabi

ui   combined standard uncertainty of xi

            (...continued)      
  Labi xi ui year of     Labi xi ui year of
    µV µV measurement       µV µV measurement
  NML (IE) (a) 0.02 0.5 1997     KRISS 0.07 0.048 2008
  JV -0.043 0.023 1997     INTI -0.01 0.03 2009
  NML (IE) (a) -0.3 0.5 1998     NSAI NML 0.056 0.283 2010
  SMU -0.07 0.11 1998     INM (RO) -0.014 0.051 2013
  VNIIM 0 0.027 1998     DMDM 0.094 0.072 2014
  NML (IE) (a) -0.15 0.46 2000     NIS 0.09 0.08 2014
  CMI 0.1 0.78 2000     NIMT 0.16 0.14 2014
  BEV -0.013 0.017 2001     SMD 0.14 0.07 2014
  SMU -0.091 0.042 2001     JV 0.23 0.03 2015
  GUM 0 0.038 2001     DEFNAT 0.07 0.04 2016
  NML (IE) (a) -0.11 0.46 2002     NMISA 0.07 0.02 2017
  NMIA 0.028 0.026 2003     KEBS 0.11 0.34 2018
  NCM (b) -1.39 1 2006     BIM -0.01 0.02 2019
            SMD -0.03 0.13 2021
    Green backgroud represents institutes using Josephson voltage standard     DEFNAT 0.03 0.03 2022
  (a) now NSAI NML         NPLI -2.91 0.68 2021
  (b) now BIM              

 

 

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 difference reported by laboratory iLabi

ui   combined standard uncertainty of xi

              (...continued)      
  Labi xi ui date of     Labi xi ui date of
    µV µV measurement       µV µV measurement
  NML (IE) (a) 0.73 2.5 Mar 1997     KRISS -0.031 0.1 Feb 2008
  SPRING Singapore (b) 0.16 0.11 Apr 1998     NML (IE) (a) -0.56 1.32 May 2008
  NML(IE) -2.50 2.50 Apr 1998     NML (IE) (a) -0.19 1.14 May 2009
  SMU -0.31 0.32 Aug 1998     INTI -0.24 0.38 Sep 2009
  NIST 0.26 0.14 Nov 1998     NSAI NML -1.03 1.13 Apr 2010
  METAS -0.14 0.14 Apr 1999     NSAI NML 0.16 1.40 Apr 2011
  NML (IE) (a) 0.29 2.30 Jun 1999     NSAI NML 0.83 1.35 Mar 2012
  NML (IE) (a) -1.70 2.39 Apr 2000     NSAI NML -0.63 1.31 Feb 2013
  CMI 0.77 0.73 Apr 2000     INM(RO) -0.43 0.34 Aug 2013
  NML (IE) (a) -0.34 2.30 Mar 2001     DMDM 0.39 0.12 Feb 2014
  BEV -0.04 0.10 Apr 2001     NSAI NML -0.64 1.35 Mar 2014
  SMU -0.04 0.86 Apr 2001     NIS 0.22 0.14 Sep 2014
  GUM -0.06 0.13 May 2001     NIMT -0.03 0.11 Nov 2014
  NML (IE) (a) 0.37 1.11 Mar 2002     SMD 0.09 0.49 Nov 2014
  NML (IE) (a) -0.91 1.03 Mar 2003     JV 0.63 0.28 Jan 2015
  NMISA -0.01 0.33 Nov 2003     NSAI NML -0.82 1.35 Fev 2015
  NMIA 0.13 0.14 Nov 2003     NSAI NML 0.22 1.35 Fev 2016
  NML (IE) (a) -1.86 1.01 Apr 2004     DEFNAT 0.38 0.10 Feb 2016
  NML (IE) (a) 0.30 1.36 Apr 2005     NMISA 0.00 0.34 May 2017
  NML (IE) (a) 0.87 1.40 May 2006     KEBS 0.25 1.55 Feb 2018
  NCM (c) -0.99 4.00 May 2006     NSAI NML -1.21 1.38 Nov 2020
  NML (IE) (a) -0.55 1.40 Mar 2007     BIM 0.30 0.09 Oct 2019
  VNIIM -0.22 0.34 Sep 2007     NSAI NML -2.99 1.71 Nov 2020
              SMD 0.02 0.28 Oct 2021
              DEFNAT 0.44 0.12 May 2022
    Green backgroud represents institutes using Josephson voltage standard     NPLI -4.97 0.19 Apr 2022
  (a) now NSAI NML                
  (b) now NMC, A*STAR              
  (c) now BIM