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7. Starting, operation
7. Starting, operation
Required tools: wrench (flats 24), screw driver
„
Use the pressure transmitter only if it is in a faultless condition as far as the
!
safety-relevant features are concerned.
Warning
Mechanical connection
max.
20 Nm
„
Please refer to our data sheet "Pressure gauge sealing washers AC 09.08" in WIKA's
product catalog Pressure and Temperature Measurement or our website
www.wika.de for details about sealing washers.
When mounting the instrument, ensure that the sealing faces of the instrument and
„
the measuring point are clean and undamaged.
6
WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio
Product label (example)
Signal
R-1
0 ... 16 bar
0 ... 10 V
UB: BN
0V: GN
P# 12862895
S+: WH
S# 14848200
8D
P #
Product No.
S #
Serial No.
PIN assignment
Coded manufacture date
GB
7. Starting, operation
Screw in or unscrew the instrument only via the flats using a suitable tool and the
„
prescribed torque. The appropriate torque depends on the dimension of the pressure
connection and on the sealing element used (form/material). Do not use the case as
working surface for screwing in or unscrewing the instrument.
When screwing the transmitter in, ensure that the threads are not jammed.
„
For tapped holes and welding sockets please see Technical Information IN 00.14 for
„
download at www.wika.de
Electrical connection
„
Connect the instrument to earth via the pressure connection.
„
For instruments with ratiometric output signal or signal output 1 ... 5 V:
Operate the pressure transmitter with a shielded cable and earth the shield at least
on one side of the cable, if the cable is longer than 30 m or if it is run outside of the
building.
Use power supplies which guarantee reliable electrical isolation of the operating
„
voltage as per IEC/DIN EN 60204-1. Consider also the general requirements for PELV
circuits in accordance with IEC/DIN EN 60204-1.
Ensure that the cable diameter you select fits to the cable gland of the connector.
„
Ensure that the cable gland of the mounted connector is positioned correctly and
that the sealings are available and undamaged. Tighten the threaded connection and
check the correct position of the sealings in order to ensure the ingress protection.
Please make sure that the ends of cables with flying leads do not allow any ingress of
„
moisture.
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WIKA Operating instructions/Betriebsanleitung/Mode d'emploi/Instrucciones de servicio
GB
7
R-1
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