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4
Installation
Sensor installation
Before wiring, turn off the power switch of SC-U1 or
disconnect the power cable from the supply source and wire
the power cable after all the other wiring is complete.
"
" denotes "Prohibited action", and "
The sensor has an NPT3/4 screw
at the cable outlet and can be
attached by a standard socket.
Do not install near a wall or
in a location where water is
accumulated. The correct
value cannot be measured.
NPT3/4
Wall or
other
surface
" denotes "Required action" .
When installing the sensor,
take care not to let air
bubbles accumulate on
the detection surface. If
bubbles accumulate in the
measuring part, it will not be
able to measure correctly.
With fluctuation of water level
taken into account, install
the sensor in such a way
that the measurement part is
securely immersed even at the
expected lowest water level.
Lowest
water
level
11
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