Thickness gauges are used to measure the thickness of metal coatings and coatings such as paint/enamel/chrome on steel, paint and anodized coatings on aluminium/copper. Automatic detection of substrate properties. This instrument is used to non-destructively measure the thickness of coatings and paints. It is an essential equipment for material surface treatment, widely used in manufacturing, metal processing industry, chemical industry, commodity inspection and other fields, and can also work stably in laboratories, workshops and outdoors. Ultra-precision resolution 1um, FE/NFE coating measurement, automotive paint 0-2000um Small size and high precision battery level indicator Automatic shutdown function for FE/NFE Measuring range: 0-2000UM Measurement accuracy: (3%+1UM) : 2 1.5V AAA batteries (without batteries) Use temperature: -10 degrees Celsius 50 degrees Celsius size: 122 x 50 x 22MM Material: plastic colour: black Package Contents: 1 x thickness gauge Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.