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Ultrasonic Thickness Gauge PX-7DL

Thickness Gauge for measurement of thin materials, even coated

Ultrasonic Thickness Gauge PX-7DL

The Ultrasonic Thickness Measurement is used to determine the thickness of a material, for example the wall of a tank or pipe.

The Ultrasonic Measuring Technique is used to measure the thickness of steel and all other metals, glass and homogenous plastics and to detect material flaws, corrosion and pits. The main advantage of ultrasonic measurement over traditional methods is that an ultrasonic thickness tester can work with access to only one side of the material being measured. Ultrasonic gauges are used as a thickness tester in the automotive, aircraft, machine and tool industry and especially as a corrosion tester to check the residual thickness of tanks and tubes.

The Ultrasonic Thickness Gauge PX-7DL is a special device for the very accurate measurement of thin materials. The device works exclusively with Single Element Delay Line Transducers with two measuring functions. The Echo-Echo method is used for measuring very thin objects without the coating taking part in the measurement. Scratching or removing the coating is not necessary. The Pulse-Echo method is used for thicker material. In automatic mode, the device switches itself to the correct measuring function for the material thickness. However, PX-7DL is not suitable for finding material pits and flaws.


Technical Data Ultrasonic Thickness Gauge PX-7DL

Measuring Range: depending on material/transducer 0.15 - 25 mm
Sonar Velocity Range: 1250 – 10000 m/sec
Resolution: 0.001 mm
Display: 4½ digit LCD, backlight
Measurement: 4 readings per second, 8 per second in Scan mode
Data logger: to 1000 readings
Differential Mode: Display of difference from a value entered
Alarm Mode: If measurement falls below preset minimum, red LED and sound beeper
Interface: RS232 output sends thickness readings to a printer or PC
Temperature Range: -20° to 50° C
Power Supply: 2x 1.5V AA Mignon
Operating time: approx. 130 hours
Dimensions: 120 x 65 x 32 mm
Weight: 295 g (with batteries)


Scope of supply Ultrasonic Thickness Gauge PX-7DL:

Ultrasonic Thickness Gauge PX-7DL including Single Element Delay Line Transducer T-402-5507 (15 MHz, ø 6.5 mm, measuring range 0.15-25 mm), USB cable, coupling gel, certificate and case


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