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Caution
Direct solar radiation must be avoided.
Note
If different temperature ranges apply simultaneously, the smallest specified
range applies for the overall system. This is also marked on the type plate.
1.3.6
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
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 · EN11 · January 22nd, 2024
1 Introduction
19
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