RM660 Paint Coating Thickness Gauge Digital Tester Meter Instrument Iron Aluminum Base Metal Car Automotive Non-Metal 0-1.25 mm Features: Perfectly used to measure the thickness of non-metal coating over the metal for matrix Digital LCD display Data HOLD function Zero calibration Comes with iron base and non-iron (aluminunm) base Portable, user friendly and easy to carry even in pocket Low battery indication Auto shut-off if no operation in 1 minute Measuring Range: 0 ~ 1.25mm , Precision Measurement: 2% for Ideal for manufacturing company, metal machinery industry, chemical industry, and commodity Specifications: Target Measure: Non-metal coating thickness on the metal surface Measuring Range: 0~1.25mm nonmetal coating on metal surface Precision Measurement: 2% RDG 0.02mm [2% RDG 1mil (steel and aluminum only)] Power Supply: 1 x 3V CR2032 button battery(NOT INCLUDED) Working Current: