Fe NFe Fe+Zn Mini Film Thickness Meter Coating Thickness Gauge Digital Car Paint Thickness Tester

Can work on iron/aluminum/car steel substrates only.It can't work on stainless steel and other material substrates.

resolution is 50um, and error range is +-100um.It is maily to check the car is repainted or not.

This product is a portable coating thickness gauge, which can quickly, nondestructively and accurately measure the thickness of nonmetallic coatings (such as paint, film, etc.)

on metal substrates (limited to iron, aluminum, and automotive steel substrates). It is mainly used to measure the thickness of automobile surface coating and other industrial

There is protective film on the screen,you can keep it or remove it before using the device.