Operating Instructions SS2100i-2 TDLAS Gas Analyzer
50 Endress+Hauser
5. Remove the new pressure sensor from the packaging. Retain the black connector cap on the sensor. Do not
remove the cap.
6. Wrap stainless steel PTFE tape around the threads at the top of the pressure sensor, beginning from the base of
the threads to the top, approximately three times taking care to avoid covering the top opening.
Fig 35. Replacing the seal tape
7. Holding the cell steady, insert the new pressure sensor into the threaded opening.
Fig 36. Replacing the pressure sensor
8. Hand-tighten the pressure sensor clockwise into the opening until no longer moving freely.
9. Holding the cell in place, turn the sensor clockwise with a ⅞ in wrench until tight. Two or three threads on the
pressure sensor should still be visible.
Make sure the black connector at the end of the pressure sensor is facing towards the head or the base of the
measurement cell to facilitate connection. Refer to the figure below.
Fig 37. New pressure sensor installed.
Reconnect components and perform leak test
1. Remove the black connector from the pressure sensor and discard.
2. Connect the new harness/cable to the new pressure sensor.
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