National state primary gas flow standard on gas environment-НДЕТУ М-02-2018
Accuracy:
Expanded uncertainty of reproduction of gas volume and flow rate - 0.10 - 0.14% (with coverage ratio k = 2 and confidence level P = 0.95).
Working environment - air, clean gases (nitrogen, methane, etc.)
Working pressure: 0.1-1.6 MPa
Flow range (m3/h):
4.0 - 1000.0
Means that can be calibrated on the standard:
reference gas meters
Connecting dimensions (DN, mm):
50, 80
Scientific keeper of the standard:
Oleksandr Bas, Ph.D.