Electrical Connection Diagram - WIKA 700.01.080 Mode D'emploi

7. Commissioning, operation
If the line to the gauge is not rigid enough for a vibration-free installation, the gauge
should be mounted by means of appropriate fastening elements for wall mounting,
or, if necessary, with a capillary.
GB
Wall mounting (see drawing)
Installation / fastening by means of mounting brackets
Drag pointer
Electrical connection (for instruments with electrical accessories)
Electrical connection of the pressure gauge is by means of terminal box and
cable. Precise wiring schemes can be seen in the following connection diagram.
In addition both the pin assignment and the required power supply are stated on
the product label of the reed case.

Electrical connection diagram

Reed contact model 851.3 and 851.3.3
(change-over contact)
10
with reed contact
851.3. 3
2nd contact
851. 3
1nd contact
WIKA operating instructions differential pressure gauge with piston
without reed contact
Slotted screw M4 x 10
Plug
Reed case
The instruments do not
provide for incorporated
overcurrent protectors. If
overcurrent protectors are
requested, these have to
be provided for externally.
Terminal box
Hexagon bolt
M8 x 50 (M8 x 100)