Thickness Gauge Meter High Presision Stainless Steel Wet Film Thickness Wheel YQH 

Description:
In coating operations, proper wet coating thickness is very important. 
Wet film wheels are high precision, accurate and easy to use instruments consists of a set of three wheels. 
The central wheel is of a smaller diameter and is eccentric relative to the two outer wheels. 
By rolling the gauge through a wet coating, the centre wheel eventually touches the film. 
This point on the scale indicates the thickness. 

Package included:
1x Wet Film Thickness Wheel