Elster EK280 - Connecting the Pressure Pipe

40 Assembly, Connection and Putting into Operation
5.2.4 Connecting the pressure pipe
Any national requirements must be observed when con-
necting the pressure pipes.
The requirements of the PTB Testing Instructions, Volume
20, Electronic volume conversion device for gas, Chapter 5,
shall apply to Germany.
Efforts must be made to ensure the pipes are installed
downwards.
5.2.4.1 Connection to an internal pressure sensor
Fig. 14
1. Connect the pressure connec-
tion to the internal pressure sen-
sor connection 1 using the un-
ion nut and the sealing insert 4 .
2. Have a calibration officer seal
the connection with the sealing
sleeve 2 and a wire seal 3 .
5.2.4.2 Connection to an external pressure sensor
Fig. 15
1. Connect the pressure connec-
tion 7 to the external pressure
sensor 6 .
2. Have a calibration officer seal 2
the connection with a sealing
sleeve 1 .
2
1
3
4
4
3
2
1
5
6
7