Use Of Gas Meters For Different Gases - RMG TME400-VM VMF Series Operating Manual

Note
If different temperature ranges apply simultaneously, the smallest specified
range applies for the overall system. This is also marked on the type plate.
1.3.5.

Use of gas meters for different gases

Gas
Natural gas
City gas
Methane
Ethane
Propane
Butane
Air
Argon
Helium
Carbon dioxide (dry)
Nitrogen
Hydrogen
Ethylene (gaseous)
Biogas
Sour gas
Digester gas / sewage
gas
Sulfur dioxide
The components of the gases must be within the concentration limits according to EN
437:2009 for test gases. Safe operation is guaranteed with these specified gases.
Other gases on request.
Symbol Tight- Meter
ness at housing
0°C and
1.013 bar
0.8 Standard
Standard
CH 0.72 Standard
4
C H 1.36 Standard
2 6
C H 2.02 Standard
3 8
C H 2.70 Standard
4 10
1.29 Standard
Ar 1.78 Standard
He 0.18 Standard
CO 1.98 Standard
2
N 1.25 Standard
2
H 0.09 Standard
2
C H 1.26 Special
2 4
Special
Special
Special
SO 2.93 Special
2
Comments
up to 100%
Generally, a reduced meas-
uring range
Special version (also for hu-
mid gases):
Teflon coating, special lubri-
cation, special material, etc.
Manual TME400-VMF · EN07 · December, 7
1 Introduction
19
th
2020