Tightness Check - Ecom DP3 Operating Instructions Manual

5.2.2. Tightness check

The tightness 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 „Tightness
check". Activate the menu point with <Enter>.
2. Adjust the gas pipe volume with <F2> (lower
100L, 100L..200L or higher 200L).
3. Check if necessary the values of stabilisation time,
measurement time and test pressure with <F1>
(back with <ESC>).
4. Lock the gas pipe with a suitable adapter (test
stopple, high pressure stopple or one-pipe counter
cap).
5. Connect the components as described in
chapter 3.
6. Start the control program with <Enter> (the pump
of the instrument is building up the adjusted pres-
sure).
7. 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>.
8. Once the measurement time is over, the result is
displayed and can be printed with <Print>.
9. If the menu „Tightness check" is selected again,
so the result can be called up with <F4> (as long as
the ecom-DP3 is on) or a new measurement can be
started with <F1>.
ecom-DP3
Tightness check
150hPa (acc. TRGI 2018)
Connect!
Forward w.:
0.0
Set value 150hPa
lower 100L
Tightness check
150hPa (acc. TRGI 2018)
Set value 150hPa
is built up!
10min
140.3
10min
Tightness check
150hPa (acc. TRGI 2018)
Stabilisation time
Res. time: 9:58min
152.3
Start Difference
Pressu 153.1hPa
Temp. 22.6°C
Tightness check
150hPa (acc. TRGI 2018)
Measur. in process
Res. time: 9:25min
152.3
Start Difference
Pressu 152.3hPa
Temp. 22.6°C
Tightness check
150hPa (acc. TRGI 2018)
Measurement 10:00min
Ini. Press 152.3hPa
Fin. Press 152.3hPa
Difference
Ini. temp.
End temp.
Difference
Forward w.:
Tightness check
150hPa (acc. TRGI 2018)
Start new
measurement?
Select:
NO
YES
Page 15
hPa
hPa
hPa
-0.8hPa
0.3°C
hPa
0.0hPa
0.0°C
0.0hPa
22.6°C
22.6°C
0.0°C