Comparison Display

CIPM MRA PARTICIPANTS

The KCDB - the BIPM key comparison database – supports the CIPM MRA. The KCDB contains information on the internationally recognized Calibration and Measurement Capabilities (CMCs) for services available from the participating institutes, and the key and supplementary comparisons supporting these CMCs.

All data listed in the KCDB have been reviewed and approved within the CIPM Mutual Recognition Arrangement

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CIPM MRA PARTICIPANTS

CMC statistics

CMC statistics

Comparison statistics

SIM.T-K9.1

Information & contact
Participants

Metrology area, Sub-field	Thermometry, Standard Platinum Resistance Thermometers
Description	Realizations of the ITS-90 from 273.16 K to 692.7 K
Time of measurements	2012
Status	Approved for equivalence

Final Reports of the comparisons	SIM.T-K9.1 Final Report, 2015, 42 pages Metrologia, 2015, 52, Tech. Suppl., 03004
References	SIM.T-K9.1 registration and progress form
Measurand	Temperature (Resistance ratio of the transfer standards
Parameters	Fixed points of Ga (302.9146 K), Sn (505.078 K), and Zn (692.677 K)
Transfer device	Long-stem SPRTs

Comparison type	Key Comparison
Consultative Committee	CCT (Consultative Committee for Thermometry)
Conducted by	SIM (Inter-American Metrology System)
Pilot institute	NRC National Research Council Canada
Contact person	Ken HILL +1 613 998 6077

Pilot laboratory
NRC	National Research Council, Canada, SIM