CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 30 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

30 °C
Di / °C
Participating institutes

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 50 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

50 °C
Di / °C
Participating institutes

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 65 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

65 °C
Di / °C
Participating institutes

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 80 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

80 °C
Di / °C
Participating institutes

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 85 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

85 °C
Di / °C
Participating institutes

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 90 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

90 °C
Di / °C
Participating institutes

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 95 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

95 °C
Di / °C
Participating institutes

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 30 °C

 

Degrees of equivalence represented by Di  and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

LABi Di Uneg,i Upos,i
°C
°C
°C
INRIM -0.006 0.026
NIST 0.000 0.015
NMIJ -0.006 0.035
KRISS 0.005 0.033
NMC, A*STAR -0.024 0.071
INTA -0.001 0.030
E+E 0.002 0.021
NPL 0.005 0.021
PTB 0.000 0.019
Participating institutes
CCT-K8

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 50 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

LABi Di Uneg,i Upos,i
°C
°C
°C
INRIM -0.004 0.030
NIST 0.005 0.020
NMIJ 0.007 0.043
KRISS 0.002 0.040
NMC, A*STAR -0.010 0.077
INTA -0.005 0.033
E+E 0.005 0.025
NPL 0.005 0.020
PTB -0.019 0.029
Participating institutes
CCT-K8

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 65 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

LABi Di Uneg,i Upos,i
°C
°C
°C
INRIM 0.000 0.036
NIST -0.001 0.024
NMIJ 0.011 0.046
KRISS -0.008 0.038
NMC, A*STAR -0.020 0.085
INTA -0.005 0.035
E+E 0.005 0.025
NPL 0.005 0.020
PTB -0.012 0.035
Participating institutes
CCT-K8

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 80 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

LABi Di Uneg,i Upos,i
°C
°C
°C
INRIM 0.000 0.037
NIST 0.007 0.040
NMIJ 0.022 0.056
KRISS -0.011 0.040
NMC, A*STAR -0.010 0.089
INTA -0.003 0.036
E+E 0.005 0.029
NPL 0.000 0.027
PTB -0.028 0.062
Participating institutes
CCT-K8

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 85 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

LABi Di Uneg,i Upos,i
°C
°C
°C
INRIM -0.004 0.038
NIST 0.008 0.038
NMIJ 0.020 0.060
KRISS -0.014 0.042
NMC, A*STAR -0.009 0.12
INTA -0.004 0.039
E+E 0.000 0.025
NPL 0.002 0.040
Participating institutes
CCT-K8

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 90 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

LABi Di Uneg,i Upos,i
°C
°C
°C
INRIM 0.001 0.038
NMIJ 0.016 0.054
KRISS -0.011 0.052
NMC, A*STAR -0.014 0.12
INTA -0.001 0.038
E+E -0.002 0.025
NPL 0.002 0.065
Participating institutes
CCT-K8

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 95 °C

 

Degrees of equivalence represented by Di and its expanded uncertainty Ui at a 95 % level of confidence, both expressed in °C.

LABi Di Uneg,i Upos,i
°C
°C
°C
INRIM 0.009 0.070
NMIJ 0.012 0.064
KRISS -0.009 0.074
INTA -0.002 0.039
E+E -0.002 0.026
NPL -0.001 0.10
Participating institutes
CCT-K8
Comparison
Comparison close
CC comparison
Linked comparison
Metrology area, Sub-field Thermometry, Humidity
Description Comparison of realizations of local scales of dew-point temperature of humid gas
Time of measurements 2016 - 2017
Status Approved for equivalence
Final Reports of the comparisons
References

CCT-K8 Technical Protocol

Measurand Temperature: 30 °C to 95 °C
Transfer device Travelling standard hygrometers
Comparison type Key Comparison
Consultative Committee CCT (Consultative Committee for Thermometry)
Conducted by CCT (Consultative Committee for Thermometry)
Pilot institute INTA
Instituto Nacional de Técnica Aeroespacial
Spain
Contact person Robert BENYON

+34 915 201 711
First Name Last Name
wwww@ww.www +356719836 Institute 1 Institute 1 Khmelnitskiy
Pilot laboratory
INTA

Instituto Nacional de Técnica Aeroespacial, Spain, EURAMET

E+E

E+E Elektronik, Austria, EURAMET

INRIM

Istituto Nazionale di Ricerca Metrologica, Italy, EURAMET

KRISS

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

NIST

National Institute of Standards and Technology, United States, SIM

NMC, A*STAR

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

NMIJ AIST

National Metrology Institute of Japan, Japan, APMP

NPL

National Physical Laboratory, United Kingdom, EURAMET

PTB

Physikalisch-Technische Bundesanstalt, Germany, EURAMET

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 30 °C

 

The key comparison reference value xR and its associated standard uncertainty uR are computed from the results of participants according to Section 8 of the CCT-K8 Final report where the results of the two comparison loops were harmonized to one single result via the results of INTA, NIST and E+E.

 

        xR = -0.118 °C     uR = 0.0045 °C

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in °C:

Di  and its expanded uncertainty Ui at a 95 % level of confidence were calculated according to Section 8 of the CCT-K8 Final report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 50 °C

 

The key comparison reference value xR and its associated standard uncertainty uR are computed from the results of participants according to Section 8 of the CCT-K8 Final report where the results of the two comparison loops were harmonized to one single result via the results of INTA, NIST and E+E.

 

        xR = -0.104 °C     uR = 0.0055 °C

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in °C:

Di  and its expanded uncertainty Ui at a 95 % level of confidence were calculated according to Section 8 of the CCT-K8 Final report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 65 °C

 

The key comparison reference value xR and its associated standard uncertainty uR are computed from the results of participants according to Section 8 of the CCT-K8 Final report where the results of the two comparison loops were harmonized to one single result via the results of INTA, NIST and E+E.

 

        xR = -0.091 °C     uR = 0.006 °C

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in °C:

Di  and its expanded uncertainty Ui at a 95 % level of confidence were calculated according to Section 8 of the CCT-K8 Final report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 80 °C

 

The key comparison reference value xR and its associated standard uncertainty uR are computed from the results of participants according to Section 8 of the CCT-K8 Final report where the results of the two comparison loops were harmonized to one single result via the results of INTA, NIST and E+E. The results of NMC, A*STAR were excluded due to their metrological traceability to NPL humidity standards.

 

        xR = -0.078 °C     uR = 0.007 °C

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in °C:

Di  and its expanded uncertainty Ui at a 95 % level of confidence were calculated according to Section 8 of the CCT-K8 Final report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 85 °C

 

The key comparison reference value xR and its associated standard uncertainty uR are computed from the results of participants according to Section 8 of the CCT-K8 Final report where the results of the two comparison loops were harmonized to one single result via the results of INTA, NIST and E+E. The results of NMC, A*STAR were excluded due to their metrological traceability to NPL humidity standards.

 

        xR = -0.073 °C     uR = 0.008 °C

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in °C:

Di  and its expanded uncertainty Ui at a 95 % level of confidence were calculated according to Section 8 of the CCT-K8 Final report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 90 °C

 

The key comparison reference value xR and its associated standard uncertainty uR are computed from the results of participants according to Section 8 of the CCT-K8 Final report where the results of the two comparison loops were harmonized to one single result via the results of INTA and E+E. The results of NMC, A*STAR were excluded due to their metrological traceability to NPL humidity standards.

 

        xR = -0.073 °C     uR = 0.009 °C

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in °C:

Di  and its expanded uncertainty Ui at a 95 % level of confidence were calculated according to Section 8 of the CCT-K8 Final report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 95 °C

 

The key comparison reference value xR and its associated standard uncertainty uR are computed from the results of participants according to Section 8 of the CCT-K8 Final report where the results of the two comparison loops were harmonized to one single result via the results of INTA and E+E.

 

        xR = -0.075 °C     uR = 0.011 °C

 

The degree of equivalence of laboratory i relative to the key comparison reference value xR is given by a pair of terms, both expressed in °C:

Di  and its expanded uncertainty Ui at a 95 % level of confidence were calculated according to Section 8 of the CCT-K8 Final report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 30 °C

 

The summary tables of the participants reported results can be found in Section 12.3 of the CCT-K8 Final report. Details of the local dew point temperature scales for each participant can be found in Section 5 of the report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 50 °C

 

The summary tables of the participants reported results can be found in Section 12.3 of the CCT-K8 Final report. Details of the local dew point temperature scales for each participant can be found in Section 5 of the report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 65 °C

 

The summary tables of the participants reported results can be found in Section 12.3 of the CCT-K8 Final report. Details of the local dew point temperature scales for each participant can be found in Section 5 of the report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 80 °C

 

The summary tables of the participants reported results can be found in Section 12.3 of the CCT-K8 Final report. Details of the local dew point temperature scales for each participant can be found in Section 5 of the report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 85 °C

 

The summary tables of the participants reported results can be found in Section 12.3 of the CCT-K8 Final report. Details of the local dew point temperature scales for each participant can be found in Section 5 of the report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 90 °C

 

The summary tables of the participants reported results can be found in Section 12.3 of the CCT-K8 Final report. Details of the local dew point temperature scales for each participant can be found in Section 5 of the report.

CCT-K8

MEASURAND   Realization of local scale of dew-point temperature of humid gas

NOMINAL VALUE 95 °C

 

The summary tables of the participants reported results can be found in Section 12.3 of the CCT-K8 Final report. Details of the local dew point temperature scales for each participant can be found in Section 5 of the report.