State Primary Standard of the Unit of Volume Flow of Liquid in the Range from 2.8E-4 To 2.8E-2 m3/s, Mass Consumption of Liquid in the Range from 2,8E-1 to 28 kg/s, the Volume of Liquid in the Range from 0.1 To 3.0 m3 and the Mass of Liquid ...
Reproduction and maintenance of the unit of volume liquid flow, mass liquid flow, volume and mass of liquid, running through the pipe line, and dissemination of the sizes of these units to the secondary standards, working standards of the 1st class, working instruments of measuring technology by means of the direct comparison in accordance with DSTU 4403:2005 “Metrology. National verification scheme for measuring instruments of mass and volume liquid flow, mass and volume of liquid running through the pipe line”.
Metrological characteristics | |||
Range | from 2,8·10-4 m3/s to 2,8·10-2 m3/s from 2,8·10-1 kg/s to 28 kg/s | from 0,1 m3 to 3,0 m3 from 100,0 kg to 3000 kg | |
Uncertainty by type A (uA) | 2⋅10-5 | 2⋅10-5 | |
Uncertainty by type B (uB) | 3,7⋅10-5 | 1,2⋅10-4 | |
Total standard uncertainty (uC) | 4,2⋅10-5 | 12,1⋅10-5 | |
Extended uncertainty (U) | 8,4⋅10-5 | 24,2⋅10-5 | |