Stress Test; Natural Gas 5.2.1. Stress Test - Ecom DP3 Operating Instructions Manual

5.2. Natural gas

5.2.1. Stress test

The stress test 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 „Stress
test". Activate the menu point with <Enter>.
2. Check if necessary the values of stabilisation time,
measurement time and test pressure with <F1>
(back with <ESC>).
3. Lock the gas pipe with a suitable adapter (test
stopple, high pressure stopple or one-pipe counter
cap).
4. Connect the components as described in
chapter 3.
5. Start the control program with <Enter> (the pump
of the instrument is building up the adjusted pres-
sure).
6. Wait for stabilisation time (if the pressure remains
in the range „test pressure - 10%" during stabilisation
time, so the measurement time will start). If neces-
sary the stabilisation time can be terminated with
<F1>.
7. Once the measurement time is over, the result is
displayed and can be printed with <Print>.
8. If the menu „Stress test" is selected again, so
the result can be called up with <F4> (as long as the
ecom-DP3 is switched on) or a new measurement
can be started with <F1>.
Page 14
Stress test
1Bar/1000hPa TRGI 2018
Connect!
Forward w.:
0.0
Set value 1000
Stress test
1Bar/1000hPa TRGI 2018
Set value 1000hPa
is built up!
1min
902.3
10min
Stress test
1Bar/1000hPa TRGI 2018
Stabilisation time
Res. time:
1002.3
Start Difference
Pressu 1003.1hPa
Temp. 22.6°C
Stress test
1Bar/1000hPa TRGI 2018
Measur. in process
Res. time: 9:25min
1002.3
Start Difference
Pressu 1002.3hPa
Temp. 22.6°C
Stress test
1Bar/1000hPa TRGI 2018
Measurement 10:00min
Ini. Press 1002.3hPa
Fin. Press 1002.3hPa
Difference
Ini. temp.
End temp.
Difference
Forward w.:
Stress test
1Bar/1000hPa TRGI 2018
Start new
measurement?
Select:
NO
YES
ecom-DP3
hPa
hPa
hPa
58sec
hPa
-0.8hPa
0.3°C
hPa
0.0hPa
0.0°C
0.0hPa
22.6°C
22.6°C
0.0°C