LINSHANG Digital Coating Thickness Gauge Tester Split Paint Depth Meter 3 Testing Modes Item Type: Digital Coating Thickness Gauge Probe Tip: Ruby fixed Measuring Principle: Fe: Hall effect; NFe: Eddy current effect Probe Type: Built in one piece Measuring Range: 0.0-2000μm Resolution: 0.1μm: 0μm-99.9μm 1μm: 100μm-999μm 0.01mm: 1.00mm-2.00mm Measurement Accuracy: ≤±(3% reading+2μm) Unit: μm or mil Measurement Interval: 0.5s Minimum Measuring Area Diameter: Approx. 25mm / 0.98in Minimum Radius of Curvature: Convex: Approx. 5mm / 0.2in, Concave: Approx. 25mm / 0.98in Minimum Substrate Thickness: Fe: 0.2mm; NFe: 0.05mm Display: 128×48 dot matrix LCD Power Supply Method: 2 x 1.5V AAA alkaline battery(not include) Operating Temperature Range: 0℃～50℃ Storage Temperature Range: -20℃～60℃ Host Size: Approx. 101 x 62 x 28mm / 3.98 x 2.44 x 1.1in Probe Size: Approx. 71 x 26 x 22mm / 2.8 x 1.02 x 0.87in Substrate Coating material Example Whether can be measured Ferromagnetic materials Iron, Cobalt, Nickel, Gadolinium Non ferromagnetic metal Galvanized iron Copper plated iron √ Non metallic material Iron spray paint Iron spray powder coating √ Ferromagnetic materials Iron, Cobalt, Nickel, Gadolinium Nickel plated iron × Non ferromagnetic metals Copper, aluminum, etc. Non conductive material Aluminium surface anodized oxide Copper spray paint √ Conductive material Chrome plated copper ×