Siemens SITRANS L Pointek ULS200 Operating Instructions Manual page 9

Ultrasonic non-contacting switch
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Precautions:
● Avoid proximity to high voltage or current wiring, high voltage or current contacts, and to
variable frequency motor speed controllers.
● Avoid interference to the sound path from obstructions or from the fill path.
The sound path should be:
● Perpendicular to the monitored surface
● Clear of rough walls, seams, rungs, or other obstructions
● Clear of the fill path
Pointek ULS200
Operating Instructions, 01/2019, A5E32268616-AB
Seams
Rungs
Pipe
Fill
9

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