This tester is designed to not-destructively measure the thickness of non-magnetic coatings ( including paint, enamel, plastic, epoxy, paper, etc ) on iron, steel or aluminum.
Measuring Range: 0.00mm - 2.20mm, or 0.0mil - 86.0mil
Resolution: 0.01mm or 0.1mil
For measurements in NFe or Fe test mode in which the tester has been properly calibrated: ± 0.05mm
For measurements in auto test mode and on object with aluminum substrate: ± ( 2% of reading + 0.05mm )
For measurements in auto test mode and on object with steel substrate: ± ( 10% of reading + 0.10mm )
Battery: 3V button cell, CR2032 or equivalent, 1 piece
Weight: About 29g ( including button cell )