coating thickness gauge / handheld

Features
By electromagnetic method, the meter can measure the coating thickness non-destructively, including paint, spray-plastic, rubber, enamel, or chrome plate, copperizing, aluminium plating on steel, iron, non-austenitic stainless steel.
Four digitals LCD display, differentiating upto ?m.
System calibrating by user-self.
Pocket shell, convenient for engineering locale .
Thickness unit ?m or mil optional.
Micro-controller controls, high accuracy .
Coupling state display.
Shut down manually or automatically.
Low battery voltage indication.
Specifications
Digital display4 digitals.
Measurement range0~1200?m.
Resolution 1?m .
Accuracy ?(3%H+2?m).
Measurement rate0.5 second.
Display units?m or mil.
Critical thickness of metallic base1mm.
Minimum thickness of metallic base0.2mm.
Minimum curvature radiusprotruding 1.5mm, concave 6mm.
Probe diameter13mm.
Power supply: AAA 1.5V*3 .