RMG TME400-VM, Operating Manual

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