16
EN
5.3 Connecting the sampling box
Requirements for the measuring line
Inner diameter: 4 ... 5 mm
Max. length: 30 m
Humidity can cause condensation in the measuring line if the measuring line cools
towards the gas inlet. In this case, a water separator must be used.
The material of the measuring line must be suitable for the application and the environ-
mental conditions.
Recommended materials
Non-recommended materials
Standard applications
Natural rubber
Neoprene
Silicone rubber
PVC
Nylon
Demanding applications
Copper
other metals
Requirements for the installation location
Mount the sampling box 30 cm above the ground as SF
6
gas collects at the ground.
Procedure
Requirement:
■
Measuring line suitable for the application.
■
Measuring line is cut to the required length.
1. Open the barbed fitting.
2. Slide the measuring line over the barbed fitting, up to the stop.
3. Tighten the barbed fitting.
4. Check they are firmly seated.
5. Slide the measuring line over the gas inlet connecting ports of the emission monitor,
right up to the stops.
6. Check they are firmly seated.
7. Move the sampling box to the installation location.
5. Commissioning
