Maintenance And Cleaning - WIKA P3278 Betriebsanleitung

8. Maintenance and cleaning

8. Maintenance and cleaning
8.1 Maintenance
This pressure sensor is maintenance-free.
Repairs must only be carried out by the manufacturer.
8.2 Cleaning
CAUTION!
Before cleaning, correctly disconnect the pressure sensor from the pressure
supply, switch it off and disconnect it from the voltage supply.
Clean the instrument with a moist cloth.
Wash or clean the dismounted instrument before returning it, in order to protect
persons and the environment from exposure to residual media.
Residual media in dismounted instruments can result in a risk to persons, the
environment and equipment. Take sufficient precautionary measures.
Do not use any pointed or hard objects for cleaning, as they may damage the
diaphragm of the process connection.
For information on returning the instrument see chapter 10.2 "Return".
8.3 Recalibration
DKD/DAkkS certificate - Official certificates:
If the instrument is used for hydrogen applications, a recalibration is required after 6
months. The basic settings will be corrected, if necessary.
Operating instructions pressure sensor P3278
GB
43