Adjusting The Set Pointers; Commissioning; Faults - WIKA 831 Manual De Instrucciones

5. Commissioning, operation / 6. Faults

5.3 Adjusting the set pointers

The adjustment of the set points is achieved using the adjustment lock in the window with
the aid of the adjustment key (included in delivery; found in standard instruments on the side
of the cable socket).
EN
Adjustment lock
(to set the set pointer, place the adjustment
key here, press it in and set the required
set point)
The set pointers for the inductive contacts are freely adjustable over the full scale range.
For reasons of switching accuracy, switching reliability and service life of the mechanical
measuring systems, the switch points should be between 10 % and 90 % of the measuring
span.

5.4 Commissioning

Pressure surges must be avoided at all costs, open the shut-off valves slowly.

6. Faults

DANGER!
Danger to life from explosion
Through working in flammable atmospheres, there is a risk of explosion which
can cause death.
▶
CAUTION!
Physical injuries and damage to property and the environment
If faults cannot be eliminated by means of the listed measures, the instrument
must be taken out of operation immediately.
▶
▶
▶
18
Set pointer
Only rectify faults in non-flammable atmospheres!
Ensure that pressure or signal is no longer present and protect against
accidental commissioning.
Contact the manufacturer.
If a return is needed, please follow the instructions given in chapter 8.2
"Return".
Pressure gauges with inductive contact model 831, for hazardous areas
Pressure compensating
valve
Removable
adjustment key