Maintenance - WIKA DELTA-trans DPGT40 Betriebsanleitung

7. Options and accessories / 8. Maintenance
Sequence of operations to finish measurement (also temporary shutdown)
■
1. Open the pressure compensating valve
2. Close the shut-off valve for the ⊕ and ⊖ media chamber
Sequence of operations to dismount the measuring instrument with a running
■
process
EN
1. Close the shut-off valve for the ⊕ and ⊖ media chamber
2. Open the vent valve
7.2 Panel mounting flange

8. Maintenance

The instruments are maintenance-free.
The indicator and switching function should be checked once or twice every year.
For this the instrument must be disconnected from the process to check with a
pressure testing device.
Repairs must only be carried out by the manufacturer.
18
Panel
WIKA operating instructions differential pressure gauge, model DPGT40