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United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Thermometry for United Kingdom (.PDF file)
Temperature. Visual radiation thermometer, 800 °C to 1100 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 10 to 3
Calibration against blackbody source or lamp
Wavelength: 650 nm
Approved on 06 January 2012
Internal NMI service identifier: NPL/PM06
 
Temperature. Visual radiation thermometer, 1100 °C to 1700 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 3 to 5
Calibration against blackbody source or lamp
Wavelength: 650 nm
Approved on 06 January 2012
Internal NMI service identifier: NPL/PM06
 
Temperature. Visual radiation thermometer, 1700 °C to 2800 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 5 to 8
Calibration against blackbody source or lamp
Wavelength: 650 nm
Approved on 06 January 2012
Internal NMI service identifier: NPL/PM06
 
Temperature. Base-metal thermocouple (T, K, N), -80 °C to 0 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.1
Calibration by comparison
Acetone bath
Approved on 19 March 2012
Internal NMI service identifier: NPL/PM03
 
Temperature. Base-metal thermocouple (K, N), 50 °C to 100 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.1
Calibration by comparison
Water bath
Approved on 19 March 2012
Internal NMI service identifier: NPL/PM03
 
Temperature. Long-stem SPRT, -196 °C to -38.8344 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.0017 to 0.00035
Calibration in LN2 and at mercury triple point
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Long-stem SPRT, -38.8344 °C to 0 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.00035 to 0.00016
Calibration at fixed points
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Long-stem SPRT, 0 °C to 29.7646 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.00016 to 0.0003
Calibration at fixed points
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Long-stem SPRT, 0 °C to 156.5985 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.0003 to 0.0007
Calibration at fixed points
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Long-stem SPRT, 0 °C to 419.527 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.001
Calibration at fixed points
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Long-stem SPRT, 419.527 °C to 660.323 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.001 to 0.0025
Calibration at fixed points
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Long-stem SPRT, 660.323 °C to 961.78 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.0025 to 0.004
Calibration at fixed points
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Capsule-type SPRT, -196 °C to -38.8344 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.0017 to 0.00035
Calibration in LN2 and at mercury triple point
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Capsule-type SPRT, -38.8344 °C to 0 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.00035 to 0.00016
Calibration at fixed points
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Capsule-type SPRT, 0 °C to 29.7646 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.00016 to 0.0003
Calibration at fixed points
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02
 
Temperature. Capsule-type SPRT, 0 °C to 156.5985 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.0003 to 0.0007
Calibration at fixed points
Approved on 17 January 2013
Internal NMI service identifier: NPL/PM02