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United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Thermometry for United Kingdom (.PDF file)
Temperature. Noble-metal thermocouple (type R, S), 961.78 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.21
Calibration at fixed point
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type R, S), 1084.62 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.21
Calibration at fixed point
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type R, S), 1324.3 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.53
Calibration at fixed point
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type B)), 419.527 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.27
Calibration at fixed point
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type B)), 961.78 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.22
Calibration at fixed point
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type B)), 1084.62 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.22
Calibration at fixed point
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (Pt/Pd), 419.527 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.1
Calibration at fixed point
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (Pt/Pd), 961.78 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.07
Calibration at fixed point
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (Pt/Pd), 1084.62 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.07
Calibration at fixed point
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type R, S), 0 °C to 1100 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.3
Calibration at fixed points
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type B)), 400 °C to 800 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.9 to 0.5
Calibration at fixed points
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type B)), 800 °C to 1100 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.5
Calibration at fixed points
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type R, S), 1100 °C to 1600 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 1.0 to 1.5
Calibration at fixed points
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Noble-metal thermocouple (type B)), 1100 °C to 1600 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 1.5
Calibration at fixed points
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Base-metal thermocouple (T, K, N), -196 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.5
Calibration by comparison
In liquid nitrogen
Approved on 03 November 2009
Internal NMI service identifier: NPL/PM03
 
Temperature. Cell for contact thermometry, 0.01 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.000071
Triple point of water
Approved on 19 March 2012
Internal NMI service identifier: NPL/PK01
 
Temperature. Long-stem SPRT, 0.01 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.000109
Calibration at water triple point
Approved on 19 March 2012
Internal NMI service identifier: NPL/PM02
 
Humidity. Dew-point hygrometer, -90 °C to -45 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.5 to 0.033
Calibration using a humidity generator
Approved on 20 January 2010
Internal NMI service identifier: NPL/MH01
 
Humidity. Dew-point hygrometer, 75 °C to 90 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.05 to 0.1
Calibration using a humidity generator
Approved on 20 January 2010
Internal NMI service identifier: NPL/MH01
 
Temperature. Cell for contact thermometry, -38.8344 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.0002
Triple point of Mercury
Approved on 20 May 2010
Internal NMI service identifier: NPL/PK01