9
Temporarily or fully decommissioning the sensor
User qualification: instructed user, see
Ä Chapter 1.2 „Users' qualifica‐
tions" on page 41
Disconnect the sensor electrically.
1.
Ensure that the bypass fitting is at
2.
atmospheric pressure.
Loosen the clamping screw.
3.
Pull the sensor slowly out of the bypass
4.
fitting
Unscrew the diaphragm cap over a sink
5.
or similar vessel, then empty it.
Rinse the electrodes under running
6.
water until free of residue and allow the
diaphragm cap to dry dust-free.
Loosely screw on a new diaphragm cap
7.
to protect the electrodes.
Fit the diaphragm protective cap to pro‐
8.
tect the diaphragm cap.
Temporarily or fully decommissioning the sensor
57