Combined Pretest/Main Test - TESTO 324 Instruction Manual

6.2.4.4.

Combined pretest/main test

The combined pretest/main test is carried out on 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.
Calling up the function:
> [
Combined Pre-/ Maintest
Setting parameters
Parameter
Volume
Stability time
Measurement period
Test pressure (target) Set test pressure
1. Edit values: [Edit].
2. Enter values. [▲],
Carrying out a combined pretest/main test
1. Start measurement:
- Zeroing starts (5 s)
- Build up test pressure (target) manually with the test pump or a
compressor at the connection provided.
Option
> End stability time early:
> End measurement period early:
-
- Combined pretest/main test is ended.
A high pressure probe is required for this test.
] → Measurement
Explanation
Set volume
Set stability time
Set measurement period
[▼]
[
Measurement is cancelled.
→ [OK] → Gas pipe (TRGI 2008
→ [OK].
The pipe volume can also be
measured directly, see
→ Volume
and sometimes [◄],
].
[Next]
[Next]
6 Using the product
→
[Options]
[►] → [OK].
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