6 Using the product
45
Test pressure:
• Operating pressure <30 mbar = reference pressure (23 mbar)
• Operating pressure >30 mbar = operating pressure
According to DVGW TRGI 2008, the stability time and
measurement period depend on the pipe volume.
• Pipe volume < 100 l: Adjustment time 10 min,
measurement period 5 min.
• Pipe volume < 200 l: Adjustment time 30 min,
measurement period 10 min.
• Pipe volume < 300 l: Adjustment time 60 min,
measurement period 15 min.
• Pipe volume < 400 l: Adjustment time 120 min,
measurement period 20 min.
• Pipe volume < 500 l: Adjustment time 240 min,
measurement period 25 min.
Calling up the function:
1. [] → Measurements → [OK] → Gas pipe (TRGI 2008 →
Leakage test → [OK].
2. Select Feeding with gas (feeding unit required), Feeding with
air, as gas meter replacement: [▲], [▼] → [OK].
Setting parameters
Parameter Explanation
Volume Set volume
The pipe volume can also be
measured directly, see [Options]
→ Volume
Stability time Set stability time
Measurement period Set measurement period
Pipe type Set pipe type
1. Edit values: [Edit].
2. Enter values. [▲], [▼] and sometimes [◄], [►] → [OK].
Carrying out a leakage test (leakage measurement)
1. Start measurement: [].
> When Feeding with gas, Feeding with air is selected: carry
out steps in accordance with the information on the display and
confirm with [OK].
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