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4
4.2 Measuring point overview
A typical measurement point consists of a sampling line from the gas pipeline to
the measurement device. The stream of gas is measured quickly and continuously
and then fed into the vent (waste) gas. If the pipeline pressure is higher than the
maximum inlet pressure of the GasLab Q2, a pressure reduction system must be in-
stalled and adjusted upstream of the process gas inlet.
The operational calibration gas mixture is generally supplied using a gas cylinder
with a pressure reducer near the GasLab Q2 and ensures that the measuring ac-
curacy is maintained. The gas in a 10 l ≙0.01 m
several years of operation. The vent (waste) gas line should be routed separately,
see
5.4.2 Connect the vent gas line
➪
components should be permanently installed. The power supply and the communi-
cation cables must be connected and installed as usual in industrial environments.
The following diagram shows a typical system layout:
GasLab Q2
Measuring method and measuring point
3
≙0.353 cft cylinder will suffice for
(p. 67) for details. In general, all pipes and
Fig. 4-3: System overview
User Manual (N )
57 of 315
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