GL-1 paint/lacquer thickness gauge Measurement of varnish thickness on car steel, galvanized and aluminium sheets. Advantages: high product quality confirmed by the "Best in Poland®" mark each meter tested before shipping by the manufacturer meters are constantly being improved, we cooperate with the scientific staff Basic device features: measurement on steel and galvanized steel sheets, measurement resolution: 1µm or 10µm depending on the settings in MENU, measurement range (varnish thickness): 0µm to 1100µm, device zeroing option (calibration) - zeroing (calibration) plate is included, memory: 100 measurements, LCD backlight automatic switch off of the meter after 3 minutes of inactivity, power supply: 9V alkaline battery (e.g. 6LR61) or 9V rechargeable battery,