... TM-8812)/Thickness Meter/thickness gauge/thickness tester Ultrasonic Thickness Gauge (TM-8812)/Thickness Meter/thickness ... any hard materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast ... 104),≤90%RHDimensions: 120x62x30mmweight: 164g(not including battery) Ultrasonic Thickness Gauge (TM-8812)/Thickness Meter/thickness gauge/thickness ...