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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
 
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Your selection : Thermometry
 
Colombia, INM (CO) (Instituto Nacional de Metrología de Colombia)
Complete CMCs in Thermometry for Colombia (.PDF file)
Humidity. Relative humidity (capacitive hygrometer), 12 %rh to 85 %rh
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in %rh: 1.7 to 2.5
Chilled mirror hygrometer, and two pressure humidity generator
Continuous gas flow: maximum 10 l/min
Test chamber temperature: 20 °C ± 0.2 °C
Atmospheric pressure: 751 hPa ± 10 hPa
Room temperature: 21 °C ± 2 °C
Relative humidity: 50 %RH ± 15 %RH
Approved on 23 October 2015
Internal NMI service identifier: INM-L02-39
 
Temperature. Digital system thermometer (base-metal thermocouple sensor), -80 °C to 250 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.80
Comparison in stirred liquid bath and metal block furnace
Temperature: 21 °C ± 2 °C
Relative humidity: 50 %RH ± 15 %RH
Approved on 23 October 2015
Internal NMI service identifier: INM-L02-38
 
Temperature. Digital system thermometer (PRT sensor), 0 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.013
Ice point bath
Temperature: 21 °C ± 2 °C
Relative humidity: 50 %RH ± 15 %RH
Approved on 23 October 2015
Internal NMI service identifier: INM-L02-31
 
Temperature. Digital system thermometer (PRT sensor), -80 °C to 0 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.072
Comparison in stirred ethanol bath
Temperature: 21 °C ± 2 °C
Relative humidity: 50 %RH ± 15 %RH
Approved on 23 October 2015
Internal NMI service identifier: INM-L02-32
 
Temperature. Digital system thermometer (PRT sensor), 0 °C to 150 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.044
Comparison in stirred water and oil baths
Temperature: 21 °C ± 2 °C
Relative humidity: 50 %RH ± 15 %RH
Approved on 23 October 2015
Internal NMI service identifier: INM-L02-33
 
Temperature. Digital system thermometer (PRT sensor), 50 °C to 100 °C
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in °C: 0.120
Comparison in metal block furnace
Temperature: 21 °C ± 2 °C
Relative humidity: 50 %RH ± 15 %RH
Approved on 23 October 2015
Internal NMI service identifier: INM-L02-34


 
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