Features: 1. Designed for non-destructively measuring the thickness of coating and painting. 2. Adopts the principle of electromagnetic induction and eddy current effect. 3. Integral probe F&NF, auto detecting attribute of substrates. 4. Nice shell design, non-slip and comfortable to hold in hands. 5. Backlight display, makes date seen clear even in the dark place. 6. 5 minutes auto power off to save power. 7. The thickness gauge is used to measure the thickness of the plated and coated sheet on metal 8. It is essential for material surface treatment and widely used in manufacturing industry, metal-processing industry, chemical industry, commodity inspection area, and also able to work steadily in the laboratory, workshop and outdoor. Specification: Condition: 100% Brand New Model: TC200 Main Material: Plastic Measurement Range: 0~1300um / 0~51.2mil Accuracy: ±(3%+2um/0.08mil) Resolution: 0.1um / 0.01mil Calibration Point: 0/50/100/250/500/1000um Power Supply: 4 * AAA Batteries(Not Included) Operating Temperature: 0-40℃ Operating Humidity: 20%~90%RH Weight: Approx. 508g / 17.9oz Size: Approx. 155 * 60* 25mm / 6.1 * 2.4 * 1.0in Package List: 1 x TC200 Coating Thickness Gauge 1 x Aluminum Substrate 1 x Iron Substrate 5 x Calibration Coating Films1 x English User ManualNote:New-style and old-style are shipped randomly