Sensors | Online Level | Online Moisture| Refractometers

Measurement Technologies Corporation can assist in the selection process of online sensor types for various applications including level, moisture and concentration. We also source and configure special sensors or software for unique applications that conventional sensors cannot accommodate.

TG 22 Ultrasonic Wall Thickness Gauge

Hand-held, Portable, Easy-to-Operate Ultrasonic Thickness Gauge

Measuring Principle

The digital ultrasonic thickness gauge determines the thickness of a part or structure by accurately measuring the time required for a short ultrasonic pulse generated by a transducer to travel through the thickness of the workpiece, and the sound waves are coupled into the test material and travel through it until they encounter a back wall or other boundaries. The reflections then travel back to the transducer, which converts the sound energy back into electrical energy. In essence, the gauge listens for the echo from the opposite side. Typically this time interval is only a few millionths of a second. The gauge programmed with the speed of sound in the test material, from which it can then calculate thickness using the simple mathematical relationship.


To make sure the gauge working properly, it needs to use coupling compound to fill the gaps between the
transducers surface and the measured workpiece surface.

Optional Spare Transducer Selection

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