Usability Check - Ecom DP3 Operating Instructions Manual

5.2.3. Usability check

The usability check acc. to DVGW – TRGI Process
Instructions G 600 at gas pipes (operation pressure
up to 100 hPa) is registered as a control pragram in
the ecom-DP3. Proceed as follows:
1. Scroll with the cursor keys <up/down> in the
menu "Natural gas" to the menu point „Usability
check". Activate the menu point with <Enter>.
2. The measurement becomes prepared. The piston
is brought into its initial position.
3. Connect the components as described in
chapter 3.
4. Open gas shut-off valve of the installation. As
soon as the operating pressure of the plant is recog-
nized, the system is aired out and the instrument
starts automatically the stabilisation time. If neces-
sary the stabilisation time can be terminated with
<F1>.
5. Close gas shut-off valve after stabilisation time.
The measurement of the leak rate begins with <En-
ter>.
Page 16
Usability check
acc. to TRGI 2018
Measuring in preparation
Do not connect
any tubing!
Quit with:
Usability check
acc. to TRGI 2018
Connect tubes!
Open gas shut-off valve!
Measuring starts once ope.
pressure is identifed
0.0
Usability check
acc. to TRGI 2018
Air is getting removed
from system!
Measuring then starts
automatically!
Quit with:
Usability check
acc. to TRGI 2018
Stabilisation time
Res. time: 9:58min
24.15
Usability check
acc. to TRGI 2018
Lose gas shut-off
valve now!
Continue with <Enter>
24.11
Forward w.:
Usability check
acc. to TRGI 2018
Measur. in process
Time: 1:25min
1.52
Leak rate
Pressu 24.11hPa
Temp. 24.3°C
ecom-DP3
hPa
hPa
hPa
l/h