Connecting
6.1 Gas connections
42
Quick Start
Compact Operating Instructions, 05/2018, A5E31805656-06
Installing/removing the sample gas restrictor
Requirements
Before you install/remove the sample gas restrictor, ensure that
● the sample gas line is disconnected from the device,
● you have read the section "Combination operation (Page 17)",
● a suitable slot screwdriver is at hand.
The difference between a sample gas restrictor and a clamping screw is:
– Sample gas restrictor: slotted screw; outlet diameter 0.5 mm
– Clamping screw: Cross-tip screw; outlet diameter 2 mm. For additional information,
refer to the section "Sample gas restrictors/clamping screws (Page 19)".
The installation, removal and retrofitting of clamping screws or sample gas restrictors is
limited to only a few module types. You will find more detailed information on the mounting
position and the mounting conditions in the section "Gas connections (Page 19)".
1. Install the sample gas restrictor or clamping screw:
Screw the sample gas restrictor or the clamping screw into the outlet. The tighteni
ng
t
orque is 1 Nm.
2. Connect the sample gas line again.
3. Remove the sample gas restrictor or clamping screw:
Proceed in reverse order.
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