Connecting The Instrument To The Electric System - WIKA MH-4 Mode D'emploi

5. Commissioning, operation
Mounting the instrument
The max. torque depends on the mounting point (e.g. material and shape).
If you have any questions, please contact our application consultant.
→ For contact details see chapter 1 "General information" or the back page
of the operating instructions.
1. Seal the sealing face (→ see "Sealing variants").
2 At the mounting point, screw the pressure sensor in hand-tight.
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3 Tighten with a torque spanner using the spanner flats.
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Hexagon at the case, spanner width 22 mm:
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- Open-ended spanner: 30 Nm ±5 %
- Socket wrench: 50 Nm ±5 %
Optional hexagon at the process connection, spanner width 27 mm:
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- Open-ended spanner: 50 Nm ±5 %
- Socket wrench: 50 Nm ±5 %

5.2 Connecting the instrument to the electric system

Requirements for voltage supply
For power supply see product label
Requirements for electrical connection
Cable diameter matches the cable bushing of the mating connector.
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Cable gland and seals of the mating connector are correctly seated.
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With cable outlets, no humidity must ingress at the cable end.
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WIKA operating instructions pressure sensor, model MH-4
EN
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