4 Transmitter
19
4.3.1.1.
Without stainless steel measurement chamber and cooling
coil
CAUTION
Compressed air! Danger of injury!
> De-pressurize pipe sections (e.g. compressor off or use of
bypass) and vent them before opening.
Clamp ring screw connection is already pre-assembled.
Screw connection body (1) and union nut (2) have a point-
shaped marking (4).
1.
Screw thread in process.
2.
Turn housing (3) to desired position without much exertion
of energy.
3.
Tighten union nut (2) finger-tight.
4.
Hold screw connection body (1) with a suitable spanner.
5.
Tighten union nut (2) slightly past the marking (4).
An increased resistance can be felt when tightening.
6.
Close ventilation of the pipe section and pressurize the pipe
section again.
4.3.1.2.
With stainless steel measurement chamber (max. 35,000 hPa)
1.
Screw process connection (G1/2) of the testo 6781 transmitter
into the thread of the measurement chamber.
2. Mount 6781 as described under Without stainless steel
measurement chamber and cooling coil page 19.
3.
Engage quick-release fastening of the measurement chamber
in the standardized socket of the compressed air line.
