Maintenance And Cleaning; Maintenance - WIKA TGS55 Manual De Instrucciones

7. Maintenance and cleaning

7. Maintenance and cleaning
Personnel: Skilled personnel or service personnel
Tools: Suitable spanner
For contact details see chapter 1 "General information" or the
back page of the operating instructions.

7.1 Maintenance

These thermometers are maintenance-free!
The indicator should be checked once or twice every year. To do this, the
instrument can be disconnected from the process and checked using a
temperature calibrator.
Testing of filled instruments
For filled instruments, the level must be checked once or twice every
year. The liquid level must not drop below 75 % of the instrument
diameter.
DANGER!
Danger to life due to impermissible filling/refilling of the
instrument with loss of explosion protection
The filling/refilling of instruments by non-authorised personnel
leads to a loss of the explosion protection and can lead to
damage to the instrument.
▶
Repair of the instruments may only be carried out by
authorised bodies
▶
If a return is needed, please follow the instructions given in
chapter 8.2 "Return".
Repairs must only be carried out by the manufacturer.
WIKA operating instructions models TGS55, TGS73 with 831 (Ex)
EN
25