YT4200 is a domestic coating thickness gauge manufactured by 3nh company. It can detect the thickness of various non-magnetic coatings on the magnetic metal substrate quickly and accurately.
Measuring Range 0-1250µm (0-1.25mm) or 0-50mil
Resolution 0.1µm (0-99.9 µm) and 1µm (over 100 µm)
Accuracy ±1-3% (±2.5µm or 0.1mil - whichever the greater)
Power Supply 2 x 1.5V AA Batteries
Minimum Measurement Area 5mm