Check the listing for details. Digital Ultrasonic Thickness Gauge Tester Meter 0.8-500mm Plastic Steel Metal US. Condition: New. Listed at 85.03 USD. T9-130S Ultrasonic Thickness Gauge Description: 【WIDE APPLICATION】— The device is equipped with a fast microprocessor; has a small and comfortable size and work with an ultrasonic technology. The ultrasonic thickness gauge is widely used for measuring Metal and Nonmetal materials, Steel, Aluminum, Copper, Brass, Zinc, Plastic, PVC, Glass, Ceramics, Pipes and any other good ultrasonic wave conductor as long as it has parallel top and bottom surfaces. 【HIGH ACCURACY】— The ultrasonic thickness tester has a wide Range of 0.8mm to 500mm with a minimum Resolution: 0.1mm. The device is equipped with a fast microprocessor, has a small and comfortable size and work with an ultrasonic technology. 【SOUND SPEED ADJUSTMENT】User can select the preset sound velocity values among various materials,.