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Calibration and Measurement Capabilities
Mass and related quantities
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 : Mass and related quantities, Mass, mass standards, Mass, Mass standard
 
China, NIM (National Institute of Metrology)
Complete CMCs in Mass and related quantities for China (.PDF file)
Mass. Mass standard, 1 mg to 100 mg
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 0.4 to 0.8
Subdivision weighing in air
Air temperature: (20 ± 0.2) °C
Air humidity: (50 ± 10) %RH
Approved on 27 February 2019
Internal NMI service identifier: NIM/1
 
Mass. Mass standard, 100 mg to 1000 mg
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 0.8 to 1.0
Subdivision weighing in air
Air temperature: (20 ± 0.2) °C
Air humidity: (50 ± 10) %RH
Approved on 27 February 2019
Internal NMI service identifier: NIM/2
 
Mass. Mass standard, 1 g to 2 g
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 1.0 to 1.5
Subdivision weighing in air
Air temperature: (20 ± 0.2) °C
Air humidity: (50 ± 10) %RH
Approved on 27 February 2019
Internal NMI service identifier: NIM/3
 
Mass. Mass standard, 2 g to 20 g
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 1.5 to 5
Subdivision weighing in air
Air temperature: (20 ± 0.2) °C
Air humidity: (50 ± 10) %RH
Approved on 27 February 2019
Internal NMI service identifier: NIM/4
 
Mass. Mass standard, 20 g to 200 g
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 5 to 10
Subdivision weighing in air
Air temperature: (20 ± 0.2) °C
Air humidity: (50 ± 10) %RH
Approved on 27 February 2019
Internal NMI service identifier: NIM/5
 
Mass. Mass standard, 200 g to 1000 g
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in µg: 10 to 35
Subdivision weighing in air
Air temperature: (20 ± 0.2) °C
Air humidity: (50 ± 10) %RH
Approved on 27 February 2019
Internal NMI service identifier: NIM/6


 
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