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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, Fluid flow
 
Russian Federation, VNIIM (D.I. Mendeleyev Institute for Metrology, Rosstandart)
Complete CMCs in Mass and related quantities for Russian Federation (.PDF file)
Gas flow speed. Air speed instrumentation, 0.5 m/s to 25 m/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.5
Thermal, ultrasonic, vane anemometers
Fluid: air
Temperature: 15 °C to 25 °C
Pressure: 95 kPa to 105 kPa
Relative humidity: 50% to 80%
Flow in open or close wind tunnel
Approved on 27 January 2014
Internal NMI service identifier: VNIIM/255
 
Gas flow speed. Air speed instrumentation, 10 m/s to 100 m/s
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.55 to 1.0
Pitot static tubes, thermal, ultrasonic, vane anemometers
Fluid: air
Temperature: 15 °C to 25 °C
Pressure: 95 kPa to 105 kPa
Relative humidity: 50% to 80%
Flow in open or close wind tunnel
Approved on 27 January 2014
Internal NMI service identifier: VNIIM/255
 
Russian Federation, VNIIR (All-Russian Scientific Research Institute for Flow Metering, Rosstandart)
Complete CMCs in Mass and related quantities for Russian Federation (.PDF file)
Flowrate volume (low pressure gas). Gas flow meters, 0.12 m3/h to 4 m3/h
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.25
Critical nozzles, vortex, turbine, ultrasonic, rotary meters, etc.
Gas: air
Temperature: 15 °C to 25 °C
Pressure: 96 kPa to 104 kPa
Pipe size: DN 10, DN 25
Approved on 18 March 2015
Internal NMI service identifier: VNIIR-13.01
 
Flowrate volume (low pressure gas). Gas flow meters, 100 m3/h to 800 m3/h
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.2
Critical nozzles, vortex, turbine, ultrasonic, rotary meters, etc.
Gas: air
Temperature: 15 °C to 25 °C
Pressure: 96 kPa to 104 kPa
Pipe size: DN 50, DN 200
Approved on 18 March 2015
Internal NMI service identifier: VNIIR-13.02
 
Flowrate volume (low pressure gas). Gas flow meters, 4 m3/h to 160 m3/h
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.2
Critical nozzles, vortex, turbine, ultrasonic, rotary meters, etc.
Gas: air
Temperature: 15 °C to 25 °C
Pressure: 96 kPa to 104 kPa
Pipe size: DN 25, DN 100
Approved on 18 March 2015
Internal NMI service identifier: VNIIR-13.03
 
Flowrate volume (low pressure gas). Gas flow meters , 1 m3/h to 100 m3/h
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.15
Critical nozzles
Gas: air
Temperature: 15 °C to 25 °C
Pressure: 96 kPa to 104 kPa
Pipe size: < DN100
Approved on 31 May 2017
Internal NMI service identifier: VNIIR-13.04