TASI TA522A 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. Iron powder putty range: 0~1000um 8. Iron galvanized range: 3~500um 9. Minimum radius of curvature of substrate: convex surface 5mm; concave surface 25mm 10. Minimum measurement area: 15mm diameter 11. Minimum substrate thickness: Fe: 0.30mm; NFe: 0.05mm 12. Maximum measurement speed: 2 timessecond 13. Display: four-digit display, maximum 8888, 180-degree rotation (automatic) 14. Operating environment: -10~50 degrees Celsius, maximum 90% relative humidity, indoor altitude less than 2000m 15. Storage environment: -20~60 degrees Celsius, maximum 70% relative humidity (remove batteries) 16. Product size: 104 x 57 x 26mm 17. Weight: about 70g (without batteries) 18. Power supply: 2 x 1.5V AAA Features: 1. Ruby probe is used to automatically identify the substrate. The probe mode can select automatic mode, iron-based mode and non-iron-based mode 2. High-definition color display, 180-degree rotation, with background light 3. Automatically shuts down after 50 seconds without any operation 4. Small and portable, does not take up storage space, easy to carry