0.001mm Resolution A/B Scan Mode 20um-1800mm Measuring Range Coating Thickness Gauge Ultrasonic Thickness Gauge for Non-metal Substrates

TM291 Handheld Non-metal Coating Thickness Gauge Designed to measure coating thickness on a wide variety of metal and non-metal substrates, including glass, plastic, composite, concrete, and wood. Product Overview The TM291 is a new type of handheld high-precision digital non-metal coating thickness gauge featuring A/B scanning. It adopts the principle of ultrasonic thickness measurement based on pulse reflection. It is suitable for measuring the thickness of materials that