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Calibration and Measurement Capabilities
Thermometry
In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a2 + b2]1/2
 
Result of the search
Your selection : Thermometry
 
Germany, PTB (Physikalisch-Technische Bundesanstalt)
Complete CMCs in Thermometry for Germany (.PDF file)
Humidity. Dew-point hygrometer, -55 ºC to -25 ºC
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ºC: 0.06
Direct measurement
Ambient temperature
Approved on 03 November 2009
Internal NMI service identifier: PTB/3.21-AA-09
 
Humidity. Dew-point hygrometer, -25 ºC to 0 ºC
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ºC: 0.035
Direct measurement
Ambient temperature
Approved on 03 November 2009
Internal NMI service identifier: PTB/3.21-AA-MF01
 
Humidity. Dew-point hygrometer, 0 ºC to 20 ºC
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ºC: 0.035
Direct measurement
Ambient temperature
Approved on 03 November 2009
Internal NMI service identifier: PTB/3.21-AA-MF01
 
Humidity. Dew-point hygrometer, 20 ºC to 60 ºC
Absolute expanded uncertainty (k = 2, level of confidence 95%) in ºC: 0.035
Direct measurement
Ambient temperature: flow system heated
Approved on 03 November 2009
Internal NMI service identifier: PTB/3.21-AA-MF01
 
Temperature. (HT)SPRT, 660.323 °C
Absolute expanded uncertainty (k = 2, level of confidence 95%) in mK: 2
Calibration at Aluminium freezing point
Heat pipe furnace
Approved on 18 May 2004
Internal NMI service identifier: PTB/7.4-1.1
 
Temperature. Aluminum freezing-point cell for SPRT (long stem), 660.323 °C
Absolute expanded uncertainty (k = 2, level of confidence 95%) in mK: 2
Comparison with a cell
Heat pipe furnace
Approved on 18 May 2004
Internal NMI service identifier: PTB/7.4-1.2


 
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