Specifications / 4. design and function, Design and function – WIKA P-31 User Manual
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WIKA operating instructions precision pressure transmitter model P-3x
11473500.04 10/2011 GB/D/F/E
GB
3.8 Materials
Wetted parts
Stainless steel
Sealing material used
Non-wetted parts
Stainless steel (additionally Elgiloy
®
for measuring ranges > 25 bar)
3.9 Approvals, directives and certificates
CE conformity
EMC directive:
2004/108/EC EN 61326 emission (group 1, class B) and interference
immunity (industrial application)
Pressure equipment directive: 97/23/EC
ROHS conformity:
Yes
1)
1) Not with bayonet connector
4. Design and function
4.1 Description
By means of a sensor element and by applying power, the prevailing pressure is converted into an
amplified standardised electrical signal via the deformation of a diaphragm. This electrical signal varies
in proportion to the pressure and can be evaluated accordingly.
4.2 Scope of delivery
Cross-check scope of delivery with the delivery note.
Flush design (P-31) with pre-mounted sealings and protection cap.
For model P-31, the sealing ring is included in the delivery.
3. Specifications / 4. Design and function