EN
WIKA operating instructions differential pressure gauge, model DPGT40
20
14093267.05 09/2020 EN/DE
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 run-
ning process
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.
3
3
104
116 3x120
14078276.01
3
3
104
Panel
Cutout
14078070.01
Panel
Cutout
For stainless steel measuring chamber
For aluminium measuring chamber