TESTO 6740, Инструкция по эксплуатации, Страница: 9 / 28

4. Initial operation
4.1 Mechanical assembly
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4.1 Mechanical assembly
We recommend you wrap the thread of the process
connection in sealing tape (e.g. PTFE) or place it in a
copper gasket (inner diameter: 21mm).
Force should only be applied to the Allen screw

.
There are 3 different options for assembly depending
on the application:
Without measurement chamber and cooling coil
Compressed air!
Risk of injury!
Depressurise pipe sections (e.g. compressor
off or use bypass) and aerate before opening.
1 Screw process connection (G½ or NPT½“) into the
matching thread.
The housing can be rotated by 350°. Do not use force
when aligning.
2 Set up housing so that the display can be easily
read. Tighten grub screw  .
3 Complete aeration of pipe section and apply
pressure to pipe section.
4. Initial operation
Assembly Application
Without measurement chamber - Process temperatures 0 to 50°C
and cooling coil - It is possible to attach sensor directly in process
- No quick assembly/dismantling of testo 6740 required and
flow on sensor is sufficient (1l/min)
With measurement chamber - Process temperatures 0 to 50°C
- Fast assembly/dismantling of testo 6740 required and/or
flow on sensor is insufficient (1l/min)
With measurement chamber - Process temperatures 50 to 200°C
and cooling coil
Warning
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