Making The Electrical Connection - WIKA R-1 Mode D'emploi

6. Commissioning, operation
Sealing of the process connection
Parallel threads
EN
per EN 837
Correct sealing of the process connections with
parallel threads at the sealing face
made using suitable flat gaskets, sealing rings or
WIKA profile sealings.
For further information on seals see WIKA data sheet AC 09.08 or at www.wika.com.

6.2 Making the electrical connection

The instrument must be grounded via the process connection!
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The power supply for the pressure transmitter must be made via an energy-limited electrical circuit
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in accordance with section 9.3 of UL/EN/IEC 61010-1, or an LPS to UL/EN/IEC 60950-1, or class 2
in accordance with UL1310/UL1585 (NEC or CEC). The power supply must be suitable for operation
above 2,000 m should the pressure transmitter be used at this altitude.
For the voltage supply, use a class 2 voltage source.
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18

per DIN 3852-E
must be

WIKA operating instructions pressure transmitter, model R-1
Tapered threads

For sealing process connections with tapered
threads, the sealing must be made in the threads
using additional sealing material - e.g. PTFE tape
(EN 837-2).
NPT, R and PT