6 Using the product
72
6.2.9.4. SRV triggering pressure
It is important to ensure that the valve upstream of the SRV is open
and the valve upstream of the consumer is closed. The pressure
downstream of the controller (secondary side) in the gas pipe must
be increased. If the triggering pressure is exceeded, the SRV
opens, indicated by a hissing sound, and gas is released on the
secondary side. The pressure during opening (secondary side) is
the SRV triggering pressure. The SRV closes again automatically
once the pressure falls below the triggering pressure.
Calling up the function:
> [] → Measurements → [OK] → Controller test → [OK].
1. SRV triggering pressure → [OK].
- Measurement is started
- Gas is released from the pipe into the gas feeding unit. Carry
out steps in accordance with the information on the display and
confirm with [OK].
- Zeroing starts (5 s).
- The pressure is increased automatically by the instrument.
The following values are displayed:
Parameter Explanation
Pressure Current pressure
Max. Highest pressure during the current
measurement
2. End the measurement as soon as the safety shut-off valve
closes: [].
3. Save measurement result: [Save].
Options
> [Options] → Show Graphic: a section of past measuring
values is displayed in a line graph (zoom function available [▲],
[▼]).
> [Options] → Manometer: the measuring values are displayed
in the same way.
> [Options] → Overall graphic curve: the measuring values
across the overall measuring time are displayed in a line graph.
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