Model:GM200A Measurement range:0~-1.80mm/0~71.0mil Car mode resolution:0.05mm/2mil User mode resolution:0.01mm/1mil Measurement error:±0.1mm Minimum diameter of substrate:50mm Minimum thickness of substrate:0.5mm Temperature range:18~30° Work humidity range:10~80%RH Power:2 x 1.5VAAA batteries(Battery not included) Notice: 1.We upated coating thickness gauge GM200, it is our new model GM200A.It is no need to do the calibration if you are using car mode to measure the car paint thickness,so it will be more convenient and more stable.Please note that the device is used for measuring the non-metalic painting thickness only,it can't be used to measure the thickness of metalic painting.
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