1. Measuring principle: Fe: magnetic induction / NFe: eddy current effect
2. Measuring range: 0~2000um/0~2mm/0~78mil
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 times/second
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