WIKA MH-4 Manual De Instrucciones página 6

3. Safety / 4. Mounting
Before mounting and commissioning the instrument, ensure you read the operating instructions!
EN
DC voltage
Do not dispose of with household waste. Ensure a proper disposal in accordance with national
regulations.
4. Mounting
4.1 Mechanical mounting
Only use the pressure sensor if it is in perfect condition with respect to safety.
Prior to commissioning, the pressure sensor must be subjected to a visual inspection.
Leaking liquid is indicative of damage.
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Obvious damage must be reported immediately.
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For information on tapped holes and welding sockets, see technical information IN 00.14 at www.wika.com
1 At the mounting point, screw the pressure sensor in hand-tight.
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2 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 %
The correct torque depends on the dimensions of the connection thread and the sealing used (form/material).
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WIKA operating instructions pressure sensor, model MH-4