The TG-902 model is manufactured by Tecpel, and is a coating thickness gauge with 2-point calibration. It is simple and easy to utilized due to its one hand operation. It has a range of 0 to 40.0 mils and resolution of 0.1 mils/ 1 micro m. The unit has a display in 3 1/2 digit liquid crystal display (LCD) with a maximum reading of 1999.