Lamtec LT 2 Assembly And Commissioning Manual page 58

5 Installation
• Connect the probe electrically (wiring diagram chapter 10.3)
• Connect the probe pneumatically (connecting diagram chapter 10.4)
NOTE:
In the PCB of the probe there is a shut-off plug valve, Which must be opened uring
calibration with compressed air or test gas.
Should be the probe installed in a inaccessibly location, a additional shut-off plug
valve can be installed in the near of the LT2.
In such a case, the internal valve can be always opened.
CAUTION!
After calibration, the compressed air or test gas must be closed.
The reference air must be always connected and be opened.
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