TASI TA521A Car Paint Film Meter Paint Surface Tester Coating Thickness Gauge 1. Measuring principle: Fe: magnetic induction NFe: eddy current effect 2. Measuring range: 0~2000um0~2mm0~78mil 3. Accuracy: +- (3%+1um) +- (3%+0.001mm) +- (0.117%+0.039mil) 4. Resolution: Less than 100um (0.1um), ≥100um (1um); Greater than or equal to 2m (0.001mm); Less than 10mil (0.001mil); 10~78mil (0.01mil) 5. Calibration: Zero point calibration 6. Unit: um, mm, mil 7. Minimum curvature radius of substrate: convex surface 5mm; concave surface 25mm 8. Minimum measuring area: diameter 15mm 9. Minimum substrate thickness: Fe: 0.30mm; NFe: 0.05mm 10. Maximum measurement speed: 2 timessecond 11. Display: four-digit display, maximum 8888, 180-degree rotation (automatic) 12. Operating environment: -10~50 degrees Celsius, maximum 90% relative humidity, indoor altitude less than 2000m 13. Storage environment: -20~60 degrees Celsius, maximum 70% relative humidity (remove batteries) 14. Product size: 115 x 57 x 26mm 15. Weight: about 75g (excluding batteries) 16. Power supply: 2 x 1.5V AAA Features: 1. Ruby probe is used to automatically identify the substrate, and the probe mode can be selected from automatic mode, iron-based mode and non-iron-based mode 2. High-definition color display, 180-degree rotation, with background light 3. Automatically shut down after 50 seconds without any operation 4. Small and portable, does not take up storage space, easy to carry