78  EasyLine EL3000 Series Commissioning Instructions 
 
 
Connection of the sample gas line 
1 
Heated sample gas line (tube with inside/outside diameter 4/6 mm) 
2 
O-ring 6.02 x 2.62 
3 
Socket 
4 
O-ring 12.42 x 1.78 
   Connection of a further sample gas line (tube with outside diameter 
6 mm): 
  either with 
5 
male fitting with a tapered ISO external thread G1/4” 
  or with 
6 
Socket 
7 
Tapered ring 
8 
Compression fitting 
  Closure: 
9 
Screw cap 
10 
O-ring 12.42 x 1.78 
   
11 
Waste gas tube 
 
Sample gas  Connection of the sample gas line 
inlets:  on 19-inch housing:  on wall-mount housing: 
I 
from the rear  from below 
II 
from above  from the right 
III 
from below  not possible – the sample gas inlet 
must always be closed 
Maximum length of the sample gas line 
The maximum length of the heated sample gas line (inside diameter 
4 mm) is 30 m. 
Provide for Sample Gas Line Purging 
Install a shut-off valve in the sample gas line (definitely recommended 
with pressurized sample gas), in order to provide a means for purging the 
gas line system by feeding in an inert gas, e.g. nitrogen, from the gas 
sampling point.