Lamtec LT 2 - Pneumatic Connection

10 Appendix
93
10.4 Pneumatic connection
Probe Connection Box
Hose connector
Reference air
(Pressure air
pre pressure 0,3bar)
after releasing an automatic offset
calibration or a calibration with
Testgas, set the increase of the
difference pressure (dp) with the
throttle to 2...4 mbar.
Hose connectors
4/6mm
Throttle for
Reference air
Shut off plug
valve Testgas
Hose connector
Testgas
(Pressure air or
Testgas
pre pressure 0,3bar)
Air outlet
Throttle for
Testgas
to the
probe
Set difference
pressure to
2...4 mbar
Hose connection for reference air (instrument air pre-pressure 0,3bar)
Hose connection for test gas (instrument air or calibrating gas pre-pressure 0,3bar)
Differential pressure sensor
Absolute pressure
Throttle
Test gas
Throttle
Reference air
Electr. connections
Pressure sensors
Electr.
connections
Probe
Air
outlet
Shut-off plug
valve
Test gas