Paint Thickness Gauge Coating Depth Meter Tester Digital Display 0‑2000um for Vehicle Black Item Type: Paint Thickness Gauge Model: HW 300PRO Material: ABS Measuring Range: 0-2000um Measurement Accuracy: ±(3%±1um) Resolution: 0um~999um (1um) 0 Calibration: Supports Statistics: Average, Minimum, Maximum, Number Minimum Convex Arc: Approx. 5mm / 0.2in Minimum Concave Arc: Approx. 25mm / 0.98in Minimum Measuring Area Diameter: Approx. 20mm / 0.79in Magnetic Induction: Measuring principle on F probe, eddy current effect on N probe. Minimum Substrate Thickness: 0.2mm for F probe, 0.05mm for N probe. Maximum Measurement Speed: 2 readings per second. Power Supply: 2 x 1.5v AAA battery, delivered without battery. Operating Environment: Temperature: 0~50℃ 20-90% relative humidity, non condensing. Humidity: -10~60℃ 20~90% relative humidity, non condensing.