Specification :

Model: CM8856
Application
It meets the standards of both ISO2178and ISO 2361 as well as DIN, ASTM and BS. It can be used both in the laboratory and in harsh field conditions.
SPECIFICATIONS
Display: 4 digits LCD, backlit
Range: 0~ 1250 ¼ m/ 0~ 50mil
( other ranges can be specified )
Min.radius workpiece: F: Convex1.5mm/ Concave 25mm
N: Convex 3mm/ Concave 50mm
Min. measuring area: 6mm
Min.Sample thickness : 0.3mm
Resolution: 0.1 ¼ m ( 0~ 99.9¼ m) ;
1 ¼ m ( over 100¼ m)
Accuracy: ± 1~ 3% n or 2.5 ¼ m or 0.1mil
( Whichever is the greater)
Bttery Indicator: Low batter indicator.
PC interface: with RS-232C interface
Power supply: 2x1.5 AAA( UM-4) battery
Operating condition: Temp. 0~ 50 .
Humidity