Feature: 1. Used to measure the thickness of non‑metallic coatings on metal substrates, high measurement accuracy and fast measurement speed 2. The Digital LCD display displays clearly, which is convenient for users to observe the readings, Improve work efficiency 3. Working environment temperature requirement ‑5℃~+40℃, suitable for most daily use, compact and convenient, easy to carry 4. Battery powered, it will automatically shut down after leaving the object under test or without operation for one minute, saving power 5. The storage conditions are simple and easy to keep. It is an ideal choice for manufacturing companies, metal machinery industry, chemical industry and commodities Specification: Item Type: Thickness GaugeMaterial: ABSWeight: Approx. 66g / 2.33ozPurpose: Ideal choice for manufacturing companies, metal machinery industry, chemical industry and commoditiesProduct Size: Approx. 75 x 42 x 20mm / 2.95 x 1.65 x 0.79inDetection Object: the thickness of the non-metallic coating on the surface of the metal substrate Detection Capability: 0~1.25mm non-metallic coating on metal surface Measurement Accuracy: 2%RDG±0.02mm (2%RDG±1mil) (only steel and aluminum) Power Supply:1 x 3VCR2032 button battery (battery not included) Working Current: <10mA Automatic Shutdown Time: 1 minute after leaving the test object without operation The Minimum Diameter of the Substrate: Ф10mm Thickness of the substrate: 0.5mm Display Resolution: 0.02mm/1mil Working Environment temperature: -5℃~+40℃ Working Environment humidity: 5%~95%RH without condensation Storage Environment: -20~60°C, <85% RH Package List: 1 x Thickness Gauge 1 x Aluminum Substrate 5 x Calibration Sheet 1 x Manual