ÃÒÂÅÐàÍÕ´: TECHNICAL DATA Features: 1. Non-magnetic coatings(e.g. paint, zinc)on steel 2. Insulating coatings(e.g. paint)on no-ferrous metals 3. No-ferrous metals coatings on insulating substrates 4. Menu operation system 5. Two measuring mode: CONTINUE and SINGLE mode 6. Two working Mode: DIRECT and GROUP mode 7. Statistic Display: AVG, MAX, MIN, NO., S.DEV 8. One point calibrating, two points calibrating and basic calibrating easily 9. Memory for 400 readings(80 DIRECT and 320 GROUP readings) 10. Delete single readings and all group readings easily 11. High alarm and Low alarm for all working mode 12. Low battery, error indication 13. USB interface for PC software(windows 98/2000/xp/vista) Specifications: Sensor probe F N Working principle magnetic induction Eddy current principle Measuring range 0~1250um 0~1250um Guaranteed tolerance (of reading) (+/- 3%+1)um (+/- 3%+1.5)um Low range Precision 0.1um 0.1um Minimum curvature radius 1.5mm 3mm Diameter of Minimum area 3mm 5mm Basic critical thickness 0.5mm 0.3mm Size(HxWxD) 113.5mmx 54mm x 27mm Weight 110g