Description: This Coating Thickness gauge adapts electromagnetic induction principle and magnetic Induced EDD current It can measure the thickness of non-metal coatings on metal surface This unit is ideal for manufacturing company, metal machinery industry, chemical industry, and commodity inspection especially in automobile trading Auto power off mode designed to conserve battery life Compact design and easy to carry, portable, user friendly and easy to carry even in pocket Zero, one-point and two-point calibrating, digital LCD display Provides Single, Continuous & Difference measurement mode with metric/imperial conversion Specification: Measuring Range: 0-01.80mm/0-71.0 mil nonmetal coating on metal surface Accuracy: ±0.03mm Power Supply: 2 x 1.5V AAA battery(without battery) Minimum base diameter: 50mm Critical base thickness: 0.5mm Display resolution: 0.01mm/1mil Operating Temperature:0~40 °C Operating Humidity: 10~95%RH Size Chart: LxWxH: Approx. 61.98x30.57x104.99mm/ 2.44x1.2x4.13inch Package Includes: 1 Piece Coating Thickness Gauge (main unit) 6 Piece Standard pieces 1 Piece Instruction Manual Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item Due to manual measurement, there may be 1-2mm error in size