6 Using the product
41
Test type Explanation
Combined
pretest/main test
This measurement is carried out for newly
laid pipe systems with operating
pressures of 100 mbar to 1 bar.
The test includes pipe systems including
fittings, but without gas pressure
controllers, gas appliances, gas meters
and relevant regulating and safety
devices.
Caravan check
Tightness test on gas pipes in
accordance with the EN 1949 standard
and DVGW G 607. Since1 April 2006, a
valid G 607 test is a requirement for the
HU (general inspection) with the TÜV
(German Technical Inspection Agency).
Caravan and motorhome owners are
obliged to have their liquid gas systems
checked every 2 years.
6.2.4.1. Pretest
This test is used as a load test for newly laid gas pipes and is
carried out before the main test. The test is performed on the pipe
without a gas meter and fittings. The pipe is subjected to many
times the subsequent operating pressure, so the material is
exposed to a significantly greater load than is expected during
normal operation.
Calling up the function:
> [] → Measurements → [OK] → Gas pipe (TRGI 2008 →
Pretest → [OK].
Setting parameters
Parameter Explanation
Stability time Set stability time
Measurement period Adopt or set measurement period
According to DVGW TRGI 2008,
the measurement period is 10
min.
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