SOR Single Point Ultrasonic Level Switch User Manual
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Form 712 (05.13) ©SOR Inc.
PC Board Arrangement
Sensor Installation (Applies to all models)
Series 701 Ultrasonic Level Sensors can be mounted by inserting the sensor through a
fitting in a vessel, or the sensor may be suspended over an open sump or basin. Keep the
sensor cavity out of the direct flow of liquid fill to prevent false readings. Install a baffle to
divert liquid flow if necessary.
DO NOT weld any part of this instrument.
9 Position Terminal Block (Reverse Side)
Ground (Earth)
Power Supply
DPDT Level Indication
Relay Contact
Failsafe Slide Switch
(optional)
Sensor Lead Connection
Sensor Lead Connection
Replaceable Fuse(s)
Power LED
Wrench Flat
No Obstructions
Housing Hub
Apply thread sealant
Tank or Vessel
Make sure that the sensor can be fully inserted and tightened without interference from
obstructions inside the tank or vessel.
Apply suitable sealant to the process
connection to prevent process leakage.
Use an open end wrench to tighten
the sensor into the process connection.
Do not use the sensor housing as a
handle to tighten the process connection.
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