CCT-K9 and SIM.T-K9.3
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Zinc freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
CCT-K9 and SIM.T-K9.3
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Tin freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Indium freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
CCT-K9 and SIM.T-K9.3
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Gallium melting point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
CCT-K9 and SIM.T-K9.3
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Mercury triple point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Argon triple point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
CCT-K9 and SIM.T-K9.3
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Zinc freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mK |
mK |
mK |
||
| INMETRO | -0.69 | 1.37 | ||
| INRIM | -0.61 | 0.91 | ||
| INTI | -1.56 | 3.37 | ||
| KRISS | 0.61 | 0.99 | ||
| LNE-LCM/Cnam | 1.01 | 0.96 | ||
| NIM | 0.13 | 0.74 | ||
| NIST | 0.02 | 0.61 | ||
| NMIA | -1.07 | 0.64 | ||
| NMIJ/AIST | 0.19 | 0.78 | ||
| NPL | -1.78 | 0.64 | ||
| NRC | 0.30 | 0.75 | ||
| PTB | 1.69 | 1.23 | ||
| VSL | 2.53 | 1.04 | ||
| TTBS | -1.2 | 11.8 |
CCT-K9 and SIM.T-K9.3
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Tin freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mK |
mK |
mK |
||
| INMETRO | -0.91 | 0.84 | ||
| INRIM | 0.09 | 0.59 | ||
| INTI | -1.10 | 1.88 | ||
| KRISS | 0.22 | 0.75 | ||
| LNE-LCM/Cnam | 0.29 | 0.64 | ||
| NIM | 0.33 | 0.54 | ||
| NIST | -0.11 | 0.37 | ||
| NMIA | -0.21 | 0.46 | ||
| NMIJ/AIST | -0.03 | 0.53 | ||
| NPL | 0.09 | 0.50 | ||
| NRC | 0.65 | 0.47 | ||
| PTB | 0.28 | 0.79 | ||
| VSL | 0.54 | 0.56 | ||
| TTBS | -3.0 | 10.8 |
This is the possibility to place a comment.
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Indium freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mK |
mK |
mK |
||
| INMETRO | -0.65 | 0.61 | ||
| INRIM | -0.02 | 0.58 | ||
| INTI | 0.45 | 2.35 | ||
| KRISS | 0.27 | 0.97 | ||
| LNE-LCM/Cnam | 0.64 | 0.49 | ||
| NIM | 0.13 | 0.43 | ||
| NIST | 0.13 | 0.25 | ||
| NMIA | -0.04 | 0.39 | ||
| NMIJ/AIST | 0.16 | 0.36 | ||
| NPL | -0.29 | 0.29 | ||
| NRC | 0.12 | 0.29 | ||
| PTB | 0.06 | 0.75 | ||
| VSL | -0.02 | 0.40 |
CCT-K9 and SIM.T-K9.3
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Gallium melting point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mK |
mK |
mK |
||
| BIPM | 0.11 | 0.32 | ||
| INMETRO | 0.29 | 0.34 | ||
| INRIM | 0.04 | 0.35 | ||
| INTI | 0.15 | 0.87 | ||
| KRISS | -0.08 | 0.41 | ||
| LNE-LCM/Cnam | -0.36 | 0.38 | ||
| NIM | 0.26 | 0.38 | ||
| NIST | -0.22 | 0.23 | ||
| NMIA | -0.33 | 0.35 | ||
| NMIJ/AIST | -0.24 | 0.30 | ||
| NPL | -0.06 | 0.26 | ||
| NRC | 0.12 | 0.27 | ||
| PTB | -0.05 | 0.30 | ||
| VSL | -0.14 | 0.36 | ||
| TTBS | -1.0 | 6.4 |
CCT-K9 and SIM.T-K9.3
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Mercury triple point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mK |
mK |
mK |
||
| INMETRO | -0.11 | 0.41 | ||
| INRIM | 0.18 | 0.30 | ||
| INTI | -0.08 | 0.66 | ||
| KRISS | -0.19 | 0.40 | ||
| LNE-LCM/Cnam | 0.76 | 0.64 | ||
| NIM | 0.24 | 0.31 | ||
| NIST | -0.32 | 0.25 | ||
| NMIA | -0.04 | 0.29 | ||
| NMIJ/AIST | 0.18 | 0.59 | ||
| NPL | 0.06 | 0.24 | ||
| NRC | 0.01 | 0.24 | ||
| PTB | 0.12 | 0.29 | ||
| VSL | -0.07 | 0.25 | ||
| TTBS | 1.1 | 5.9 |
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Argon triple point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Degrees of equivalence represented by Di = (TI - TR) and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in mK.
| LABi | Di | Uneg,i | Upos,i | |
|---|---|---|---|---|
mK |
mK |
mK |
||
| INMETRO | 0.21 | 0.79 | ||
| INRIM | 0.22 | 1.08 | ||
| INTI | 0.95 | 1.74 | ||
| KRISS | 0.28 | 1.03 | ||
| LNE-LCM/Cnam | -0.17 | 0.80 | ||
| NIM | -0.67 | 0.66 | ||
| NIST | -1.41 | 0.54 | ||
| NMIA | -0.36 | 0.99 | ||
| NMIJ/AIST | 0.20 | 1.30 | ||
| NPL | 0.35 | 0.66 | ||
| NRC | -0.06 | 0.65 | ||
| PTB | 0.10 | 0.73 | ||
| VSL | -0.82 | 0.63 |
| Metrology area, Sub-field | Thermometry, Standard Platinum Resistance Thermometers |
| Description | Realizations of the ITS-90 from 83.8 K to 692.7 K |
| Time of measurements | 2017 - 2018 |
| Status | Measurements in progress |
| References | |
| Measurand | Temperature: from the triple point of Ar (83.8058 K) to the freezing point of Zn (692.677 K) |
| Transfer device | Long-stem SPRTs |
| Comparison type | Key Comparison |
| Consultative Committee | CCT (Consultative Committee for Thermometry) |
| Conducted by | APMP (Asia Pacific Metrology Programme) |
| Comments | NIM (China) is acting as pilot laboratory; NMIJ (Japan) and KRISS (Korea) act as coordinating laboratories. |
| Pilot institute |
NIM
National Institute of Metrology China |
| Contact person | Jianping Sun +86 10 6452 6303 |
| Pilot laboratory | |
|---|---|
| NIM |
National Institute of Metrology, China, APMP |
| CMS |
ITRI Center for Measurement Standards, Chinese Taipei, APMP |
| KRISS |
Korea Research Institute of Standards and Science, Korea, Republic of, APMP |
| 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 |
| NMIM |
National Metrology Institute of Malaysia, Malaysia, APMP |
| NPLI |
CSIR National Physical Laboratory of India, India, APMP |
| SCL |
Standards and Calibration Laboratory, Hong Kong, China, APMP |
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" :
CCT-K9 and SIM.T-K9.3
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Zinc freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
CCT-K9
Key comparison reference value:
Resistance ratios are used with calibration equations for each thermometer to obtain temperature Ti.
The key comparison reference temperature, TR, is calculated from the mean of the average temperatures from the participants' results, excluded SRPT measurements that fail the cutoff criteria described in section 3.5 of the Final Report, and its associated standard uncertainty uR is computed as explain in section 2.4 of the Final Report.
TR = -0.20 mK uR = 0.11 mK
The degree of equivalence of laboratory i relative to the key comparison reference value TR is given by a pair of terms, both expressed in mK:
Di = (Ti - TR) and its expanded uncertainty Ui at a 95 % level of confidence is computed as described in section 2.3 of the Final Report.
Linking SIM.T-K9.3 to CCT-K9
The INMETRO provides the link between the key comparison SIM.T-K9.3 to CCT-K9, having participated in both comparisons. The linking process is described in Section 7 of the the SIM.T-K9.3 Final Report.
CCT-K9 and SIM.T-K9.3
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Tin freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Key comparison reference value:
Resistance ratios are used with calibration equations for each thermometer to obtain temperature Ti.
The key comparison reference temperature, TR, is calculated from the mean of the average temperatures from the participants' results, excluded SRPT measurements that fail the cutoff criteria described in section 3.5 of the Final Report, and its associated standard uncertainty uR is computed as explain in section 2.4 of the Final Report.
TR = 0.06 mK uR = 0.08 mK
The degree of equivalence of laboratory i relative to the key comparison reference value TR is given by a pair of terms, both expressed in mK:
Di = (Ti - TR) and its expanded uncertainty Ui at a 95 % level of confidence is computed as described in section 2.3 of the Final Report.
Linking SIM.T-K9.3 to CCT-K9
The INMETRO provides the link between the key comparison SIM.T-K9.3 to CCT-K9, having participated in both comparisons. The linking process is described in Section 7 of the the SIM.T-K9.3 Final Report.
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Indium freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Key comparison reference value:
Resistance ratios are used with calibration equations for each thermometer to obtain temperature Ti.
The key comparison reference temperature, TR, is calculated from the mean of the average temperatures from the participants' results, excluded SRPT measurements that fail the cutoff criteria described in section 3.5 of the Final Report, and its associated standard uncertainty uR is computed as explain in section 2.4 of the Final Report.
TR = -0.08 mK uR = 0.05 mK
The degree of equivalence of laboratory i relative to the key comparison reference value TR is given by a pair of terms, both expressed in mK:
Di = (Ti - TR) and its expanded uncertainty Ui at a 95 % level of confidence is computed as described in section 2.3 of the Final Report.
CCT-K9 and SIM.T-K9.3
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Gallium melting point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Key comparison reference value:
Resistance ratios are used with calibration equations for each thermometer to obtain temperature Ti.
The key comparison reference temperature, TR, is calculated from the mean of the average temperatures from the participants' results, excluded SRPT measurements that fail the cutoff criteria described in section 3.5 of the Final Report, and its associated standard uncertainty uR is computed as explain in section 2.4 of the Final Report.
TR = 0.23 mK uR = 0.03 mK
The degree of equivalence of laboratory i relative to the key comparison reference value TR is given by a pair of terms, both expressed in mK:
Di = (Ti - TR) and its expanded uncertainty Ui at a 95 % level of confidence is computed as described in section 2.3 of the Final Report.
Linking SIM.T-K9.3 to CCT-K9
The INMETRO provides the link between the key comparison SIM.T-K9.3 to CCT-K9, having participated in both comparisons. The linking process is described in Section 7 of the the SIM.T-K9.3 Final Report.
CCT-K9 and SIM.T-K9.3
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Mercury triple point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Key comparison reference value:
Resistance ratios are used with calibration equations for each thermometer to obtain temperature Ti.
The key comparison reference temperature, TR, is calculated from the mean of the average temperatures from the participants' results, excluded SRPT measurements that fail the cutoff criteria described in section 3.5 of the Final Report, and its associated standard uncertainty uR is computed as explain in section 2.4 of the Final Report.
TR = 0.28 mK uR = 0.04 mK
The degree of equivalence of laboratory i relative to the key comparison reference value TR is given by a pair of terms, both expressed in mK:
Di = (Ti - TR) and its expanded uncertainty Ui at a 95 % level of confidence is computed as described in section 2.3 of the Final Report.
Linking SIM.T-K9.3 to CCT-K9
The INMETRO provides the link between the key comparison SIM.T-K9.3 to CCT-K9, having participated in both comparisons. The linking process is described in Section 7 of the the SIM.T-K9.3 Final Report.
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Argon triple point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Key comparison reference value:
Resistance ratios are used with calibration equations for each thermometer to obtain temperature Ti.
The key comparison reference temperature, TR, is calculated from the mean of the average temperatures from the participants' results, excluded SRPT measurements that fail the cutoff criteria described in section 3.5 of the Final Report, and its associated standard uncertainty uR is computed as explain in section 2.4 of the Final Report.
TR = 0.80 mK uR = 0.08 mK
The degree of equivalence of laboratory i relative to the key comparison reference value TR is given by a pair of terms, both expressed in mK:
Di = (Ti - TR) and its expanded uncertainty Ui at a 95 % level of confidence is computed as described in section 2.3 of the Final Report.
CCT-K9 and SIM.T-K9.3
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Zinc freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Wi dimensionless resistance ratio measurement results of thermometer from laboratory i
ui combined standard uncertainty of measurement made using thermometer from laboratory i are expressed in mK
The laboratory measurement results are listed in Appendix B of the CCT-K9 Final Report.
SIM.T-K9.3
The measurement results are listed in Table 3 and 4 of the SIM.T-K9.3 Final Report.
CCT-K9 and SIM.T-K9.3
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Tin freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Wi dimensionless resistance ratio measurement results of thermometer from laboratory i
ui combined standard uncertainty of measurement made using thermometer from laboratory i are expressed in mK
The laboratory measurement results are listed in Appendix B of the CCT-K9 Final Report.
SIM.T-K9.3
The measurement results are listed in Table 3 and 4 of the SIM.T-K9.3 Final Report.
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Indium freezing point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Wi dimensionless resistance ratio measurement results of thermometer from laboratory i
ui combined standard uncertainty of measurement made using thermometer from laboratory i are expressed in mK
The laboratory measurement results are listed in Appendix B of the CCT-K9 Final Report.
CCT-K9 and SIM.T-K9.3
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Gallium melting point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Wi dimensionless resistance ratio measurement results of thermometer from laboratory i
ui combined standard uncertainty of measurement made using thermometer from laboratory i are expressed in mK
The laboratory measurement results are listed in Appendix B of the CCT-K9 Final Report.
SIM.T-K9.3
The measurement results are listed in Table 3 and 4 of the SIM.T-K9.3 Final Report.
CCT-K9 and SIM.T-K9.3
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Mercury triple point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Wi dimensionless resistance ratio measurement results of thermometer from laboratory i
ui combined standard uncertainty of measurement made using thermometer from laboratory i are expressed in mK
The laboratory measurement results are listed in Appendix B of the CCT-K9 Final Report.
SIM.T-K9.3
The measurement results are listed in Table 3 and 4 of the SIM.T-K9.3 Final Report.
CCT-K9
MEASURAND Resistance Ratio, W, at nominal temperature
NOMINAL TEMPERATURE Argon triple point, a defined fixed point on the International Temperature Scale of 1990 (ITS-90)
Wi dimensionless resistance ratio measurement results of thermometer from laboratory i
ui combined standard uncertainty of measurement made using thermometer from laboratory i are expressed in mK
The laboratory measurement results are listed in Appendix B of the CCT-K9 Final Report.
