Specifications brand fnirsimodel ctg 20measuring range 0 1400 maccuracy 3 2 mresolution ratio 0 1 mcalibration zero point calibration multi point calibrationunit m milminimum convex curvatureradius 5mmminimum concave curvatureradius 25mmminimum measurement area diameter 20mmwork environment no strong magnetic field temperature 10 c to 50 c humidity 20 90 rhbattery 600mahsize approximately 115x48x18mmweight approximately 83g features high precision measurement capable of measuring thicknesses from 0 to 1400 m with an accuracy of 3 2 m ensuring precise results in various coatings easy calibration features both zero point and multi point calibration options allowing for seamless and straightforward calibration processes compact and lightweight with a size of 115x48x18mm and weighing only 83g this device is portable and comfortable to handle during prolonged use wide environmental compatibility operates effectively in temperatures ranging from 10 c to 50 c and humidity levels between 20 and 90 rh suitable for diverse environments user friendly interface equipped with a clear display and intuitive controls making it easy to navigate and operate even for first time users package included 1 x fnirsi ctg 20 coating thickness gauge1 x calibration foil set1 x carrying case1 x usb charging cable1 x user manual