This Coating Thickness gauge adapts Electromagnetic Induction principle and magnetic Induced EDD current.<br> It can measure the thickness of non-metal coatings on metal surface.<br> This unit is Perfect for manufacturing company, metal machinery industry, chemical industry, and commodity inspection especially in automobile trading.<br> Auto power off mode designed to conserve battery life<br> Zero, one-point and two-point calibrating<br> Digital LCD display<br> Comes with iron base and non-iron (aluminium) base<br> Portable, user friendly and easy to carry even in pocket<br> Compact design and easy to carry<br> Provides Single, Continuous & Difference measurement mode with metric/imperial conversion<br> Model Number: GM200<br> Special Feature: measure the thickness of non-metal coatings on metal surface<br> Target Measure: Non-metal coating thickness on the metal surface<br> Power Supply: 2 x 1.5V AAA battery(without battery)<br> Display resolution: 0.01mm/1mil<br> Operating Temperature: 0~40 Celsius<br> Operating Humidity: 10~95%RH<br> colour: yellow<br> Material: ABS<br> size: Item Height: 105mm<br> Item Width: 30.6 mm<br> Item Length: 62 mm<br> Measuring Range: 0~1.80mm/0~71.0 mil nonmetal coating on metal surface<br> Accuracy: +/-0.03mm<br> Minimum base diameter: 50mm<br> Critical base thickness: 0.5mm<br> Package Contents:<br> 1 X Coating Thickness Gauge (Main Unit)<br> 6 X Standard Pieces<br> 1 X Instruction Manual<br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.