Thickness gauge ETARI ET 555 is a semi-professional universal device. >The updated version of the ET 555 has improved energy consumption due to the updated processor, the display backlight is uniform, resistance to work in any weather has been increased, and now you can choose one of two measurement systems. >This model occupies a leading position in sales of thickness gauges in the world. The thickness gauge has received high praise from thousands of users, and a huge number of positive reviews. >The permissible percentage of measurement error for devices of this type is ± 3%. >Usage: Ferrous and non-ferrous metals >Extended warranty 18 months