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The Series 701 tip-sensitive
ultrasonic switch is a single-point
device designed for economical detection of
clean liquids. There are no moving parts and no
calibration. The 701 is available either integral or
remote mounted. An optional time delay can be
used to eliminate false alarms due to
turbulence in the process. An optional field
selectable fail-safe switch is also available.
The standard unit is set to High-level Failsafe
(HLFS).