■ F type probe is used to measure the thickness of non-magnetic coatings (zinc, copper, enamel, plastic and so on) on magnetic subtracts (iron, steel)
N type probe is used to measure the thickness of non-conductive coatings
(varnish ,enamel, plastic and so on) on conductive subtracts (zinc, copper, aluminum)
■ Large display screen
■ V-type probe to make the cylinder measurement easier
■ With um/mil unit conversion
■ Automatic power on/ off
■ With back light