6 Using the product
71
6.2.9.3. SAV_triggering pressure
For the measurement, it is important to ensure that the valve
upstream of the SSV 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 SSV is triggered, indicated by a click,
and the gas supply is blocked on the primary side. The existing
pressure at the time of the click (secondary side) is the SSV
triggering pressure.
The SSV stop must then be manually released again.
Calling up the function:
> [] → Measurements → [OK] → Controller test → [OK].
1. SAV_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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