RZEC770 LCD Display Coating Paint Thickness Gauge Meter Tools (Grey) 1. Brand Name: RZ 2. Range: 0~1300um, 0~51.2mil 3. Resolution: 0um~999um (1um) 4. Units:Um, mil; Accuracy: +- (3% of readings+2um) 5. Minimum measuring size: Diameter 6mm (236mils) 6. Calibration: One to four point calibration, zero calibration 7. Alarm: User can set the highlow alarm, and alarm icon displayed on LCD when over the limit 8. Power supply: 1.5V AAA batteries * 2 (not included) 9. Measuring mode: Single continuous 10. LCD back light: Yes 11. OperationEnvironment: Temperature:0~40 degree C (32~104egree F) 12. Resolution: 0um~999um (1um), 1000um~1300um (0.01mm); 0mils~39.39mils (0.01mils), 39.4mils~51.2mils (0.1mils) 13. Computerinterface: Download data via USB interface 14. Application: Non-magnetic coatings, e.g. paint, enamel, chrome on steel, and insulating coatings, e.g. paint and anodizing coatings on non-ferrous metals