Preliminary Check - Ecom -DP Operating Instructions Manual

4.3. Preliminary check

The preliminary check acc. to DVGW – TRGI Process
Instructions G 600 by pipes (operation pressure up to
100 hPa) is registered as a measurement routine in the
ecom-DP.
Proceed as follows:
1. Close the conduit with a suitable adapter (part of
ecom-DPK).
2. Connect the components a described in ecom-DPK
manual.
3. Scroll with <UP/DOWN> until the menu „Preliminary
check". Activate with <OK>-Taste.
4. With the compressed-air pump create the pre-
adjusted test pressure (the unit beeps as soon as the
pressure level is achieved).
5. Interrupt the connection to the air pump (switch-off
the ball valve).
6. Wait for stabilisation time (if the pressure remains in
the range „test pressure +/- 10% during stabilisation
time, so the measurement time will start).
7. Once the measurement time is over, the result is
displayed and can be sent to the IR printer (option) thus
pressing <F2> (Print) .
8. If the menu „Preliminary Check" is selected again, so
the result can be called up with <F1> (as long as the
ecom-DP is on) or a new measurement can be started
with <OK>.
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