HW‑300S Coating Thickness Gauge Digital Backlight LCD Film Thickness Meter for Manufacturing Metal Processing ChemicalPortrait Screen Black Item Type: Coating Thickness Gauge Material: ABS Model: HW-300S Size: Approx. 12x4.4cm / 4.7x1.7in Weight: Approx. 98g / 3.4oz Battery: 2 1.5V AAA batteries (not included) F Probe Magnetic Induction: Measurement Principle N Probe Magnetic Induction: Eddy Current Effect F Probe Minimum Substrate Thickness: Approx. 0.2mm N Probe Minimum Substrate Thickness: Approx. 0.05mm Measuring Range: 0-2000um Accuracy: ±(3%+1um) Resolution: 0um~99.9um(0.1um), 100um~999um(1um), >1000um(0.01mm) Zero Point Calibration: Support Statistics: Average, minimum, maximum, number Unit: um, mm, mils Minimum Convex Arc: Approx. 5mm / 0.2in Minimum Convex Arc: Approx. 25mm / 1in Minimum Measuring Area: Approx. 20mm / 0.8in in diameter Maximum Measurement Speed: 2 readings per second Working Environment Temperature: 0-50°C 20-90%rh (non condensation) Storage Temperature: -10-60°C 20-90%rh (non condensation) Application: Metal bottom can be detected; such as: vacuum cup spray paint thickness detection, guardrail paint thickness detection, window paint thickness detection, car paint thickness detection, etc.