Diehl AERIUS Guide D'installation page 23

English
Please contact Diehl Gas Metering before using
the device on combustion motors.
Types of gases / restrictions
The meters are suitable for measuring the flow of
the following gases:
Air / Nitrogen / Gases of the 2nd gas family,
group E according to EN 437 and gas type H
according to DVGW G260
Software
version
1.4.5
1.4.5
1)
xc3+ is the sum of the concentrations in volume per cent
of Propane (C3H8), n-butane, iso-butane (both C4H10)
and all higher hydrocarbons.
2)
This restriction counts only for temperatures below 0 °C
and for a supply time that exceeds 72 hours per year.
Identification
EN437 I
2E
EN437 I C
2E
AERIUS
Restrictions
H ≤ 5 Vol.%
2
x < 14 %
c3+
H ≤ 5 Vol.%
2
1) 2)
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