... thickness gauge, paint thickness gauge, thickness meter, thickness tester, ultrasonic thickness tester, paint thickness meter, coating thickness meter, thermometer, infrared ... * Highly sophisticated inductance sensor * Built-in lithium ion rechargeable battery and control Circuit with high capacity * Small in size, ... backlight Parameters: Ra, Rz Display Range Ra: 0.05-10.00um/1.000-400.0uinch Rz: 0.020- ...