01

MEASURING PRINCIPLE

Ultrasonic level

A sound pulse is timed from the transducer to the surface and back.

PRINCIPLE · LIVE SIGNAL13.9mA
Ultrasonic level: how it works | INSTRAVAPRIN01

02

HOW IT WORKS

See the principle in action

Move the slider to change the process variable and watch the signal respond.

Ultrasonic level
Ultrasonic level: how it works | INSTRAVA
LEVEL
50 %
OUTPUT
12.0 mA
  1. A transducer sends a sound pulse.
  2. The pulse reflects from the surface.
  3. Time of flight is converted to distance and level.

03

AT A GLANCE

Strengths and limits

STRENGTHS

Economical, no contact with the medium

LIMITS

Affected by temperature gradients, foam and dust

06

READ MORE

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07

FAQ

Common questions

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RFQ

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