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 and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV.
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 and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV.
BIPM.EM-K11 at 10 V previously represented as BIPM.EM-K11.b
For higher resolution graph, please click here.
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 and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in µV.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
µV |
µV |
µV |
||
| VNIIM | 0.00 | 0.05 | ||
| CMI | 0.10 | 1.56 | ||
| BEV | -0.01 | 0.03 | ||
| SMU | -0.09 | 0.08 | ||
| GUM | 0.00 | 0.08 | ||
| NMIA | 0.03 | 0.05 | ||
| KRISS | 0.07 | 0.10 | ||
| INTI | -0.01 | 0.06 | ||
| NSAI NML | 0.06 | 0.57 | ||
| 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 | ||
| SASO-NMCC | 0.06 | 0.10 | ||
| INRIM | -0.04 | 0.06 | ||
| 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 |
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 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 Singapore (b) | 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 | ||
| 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 | ||
| SASO-NMCC | 0.22 | 0.24 | ||
| INRIM | -0.18 | 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 |
(b) now NMC, A*STAR
BIPM.EM-K11 at 10 V previously represented as BIPM.EM-K11.b
| 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 +31 (0) 6 3111 9878 |
| 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 A/S, 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, Türkiye, EURAMET |
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" :
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.
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 i, Labi
ui combined standard uncertainty of xi
| Labi | xi | ui | year of | |
| µV | µV | measurement | ||
| VNIIM | 0 | 0.027 | 1998 | |
| CMI | 0.1 | 0.78 | 2000 | |
| BEV | -0.013 | 0.017 | 2001 | |
| SMU | -0.091 | 0.042 | 2001 | |
| GUM | 0 | 0.038 | 2001 | |
| NMIA | 0.028 | 0.026 | 2003 | |
| KRISS | 0.07 | 0.048 | 2008 | |
| INTI | -0.01 | 0.03 | 2009 | |
| NSAI NML | 0.056 | 0.283 | 2010 | |
| INM (RO) | -0.014 | 0.051 | 2013 | |
| DMDM | 0.094 | 0.072 | 2014 | |
| NIS | 0.09 | 0.08 | 2014 | |
| NIMT | 0.16 | 0.14 | 2014 | |
| JV | 0.23 | 0.03 | 2015 | |
| NMISA | 0.07 | 0.02 | 2017 | |
| KEBS | 0.11 | 0.34 | 2018 | |
| BIM | -0.01 | 0.02 | 2019 | |
| SMD | -0.03 | 0.13 | 2021 | |
| DEFNAT | 0.03 | 0.03 | 2022 | |
| NPLI | -2.91 | 0.68 | 2021 | |
| SASO-NMCC | 0.06 | 0.05 | 2023 | |
| INRIM | -0.04 | 0.03 | 2023 | |
| Green backgroud represents institutes using Josephson voltage standard | ||||
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 i, Labi
ui combined standard uncertainty of xi
| Labi | xi | ui | date of | |
| µV | µV | measurement | ||
| SPRING Singapore (b) | 0.16 | 0.11 | Apr 1998 | |
| NIST | 0.26 | 0.14 | Nov 1998 | |
| METAS | -0.14 | 0.14 | Apr 1999 | |
| CMI | 0.77 | 0.73 | Apr 2000 | |
| BEV | -0.04 | 0.10 | Apr 2001 | |
| SMU | -0.04 | 0.86 | Apr 2001 | |
| GUM | -0.06 | 0.13 | May 2001 | |
| NMIA | 0.13 | 0.14 | Nov 2003 | |
| VNIIM | -0.22 | 0.34 | Sep 2007 | |
| KRISS | -0.031 | 0.10 | Feb 2008 | |
| INTI | -0.24 | 0.38 | Sep 2009 | |
| INM(RO) | -0.43 | 0.34 | Aug 2013 | |
| DMDM | 0.39 | 0.12 | Feb 2014 | |
| NIS | 0.22 | 0.14 | Sep 2014 | |
| NIMT | -0.03 | 0.11 | Nov 2014 | |
| JV | 0.63 | 0.28 | Jan 2015 | |
| NMISA | 0.00 | 0.34 | May 2017 | |
| KEBS | 0.25 | 1.55 | Feb 2018 | |
| BIM | 0.30 | 0.09 | Oct 2019 | |
| NSAI NML | -2.99 | 1.71 | Nov 2020 | |
| SMD | 0.02 | 0.28 | Oct 2021 | |
| DEFNAT | 0.44 | 0.12 | May 2022 | |
| NPLI | -4.97 | 0.19 | Apr 2022 | |
| SASO-NMCC | 0.22 | 0.12 | Sep 2023 | |
| INRIM | -0.18 | 0.19 | Dec 2023 | |
| Green backgroud represents institutes using Josephson voltage standard | ||||
| (b) | now NMC, A*STAR | |||
