WIKA iWU-20 Betriebsanleitung Seite 25

7. Starting, operation
Product label
1 Production lot information
2 Warning note
3 Ambient temperature range
4 Assignment electrical connection
5 Approval
Mechanical Connection
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Prepare the gas line connections appropriately.
■
You should blow clean all fitting components (such as sealing gaskets, for example) using a clean/filtered gas. Please
refer to the specific technical guides furnished by the gasket manufacturers for additional specifications.
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You can then remove the protective film, as well as any plastic caps there may be for protecting high-quality fittings.
Face Seal Connections (only iWU-20, iWU-25)
For connections compatible with VCR
1. Hold the swivel female face seal / swivel male face seal, mounting part (valve etc.) or case hexagon. Tighten the
swivel female face seal hand-tight and adjust the instrument to the desired position. When tightening or untightening at
mounting parts (valves etc.) or fittings, ensure that the threads do not get jammed.
2. Hold the swivel female face seal with a suitable open-end wrench. Tighten the swivel female face seal / swivel male
face seal or mounting part (valve etc.) by a 1/8 or 1/4 turn (depending on the sealing elements used) beyond the hand-
tight position.
3. Please refer to the specific technical guides furnished by the fitting manufacturers for additional specifications.
4. With that the transducer is mechanically connected. Electrical connection possibilities are described in the following
section.
WIKA Operating instructions iWU-2x
Consecutive lot code
Read operating instructions
-20℃≤Ta≤85℃ (Circualr connector M12x1)
-20℃≤Ta≤65℃ (Flying lead)
Circular connector M12x1: Pin number
Flying lead: Colour
Local approval
® -fittings:
EN
25