Sensors & Measurement
Ultrasonic level
Non-contact level measurement using high-frequency sound pulses.
IN ONE SENTENCE
The sensor times how long an echo takes to return from the material surface.
In normal English
It is convenient because the sensor stays above the product, but foam, vapour, turbulence, obstructions and geometry can affect echoes.
Why would I use it?
Use it for many tanks and open channels where non-contact measurement is useful.
THINK OF IT LIKE…
Shouting an inaudible echo into the tank and timing the reply.
Related terms
radar level, time of flight, level sensor
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