Operating principle:  F type
　　F type(magnetic induction), measure the thickness of non-magnetic coating layers such 　
　　as (aluminum, chrome, copper, ename1, rubber, paint) on magnetic substrate (steel,
　　iron, alloy and magnetic steel)

　　Specifications:
　　Measuring range: 0-2000um
　　Resolution: 0.1/1
　　Accuracy: ±5%n or ±5um
　　Min. measuring area: 6mm
　　Min. sample thickness: 0.3mm
　　Metric/ imperial: convertible
　　Battery indicator: low battery indicator
　　Power supply: 4x1.5V AA (UM-3)battery
　　Auto power off
　　Operating conditions: 0-+45℃(32℉-104℉), ≤90%RH
　　Dimensions: 160x68x32mm
　　Weight: 260g(not including battery)
　　Optional accessories: other range 0-200um to 15000um