This Coating Thickness Gauge provides zero calibration and multi-point calibration. Open the battery cover and load two CR2032 button batteries(Not Includes); Pay attention to the positive and negative poles. Leave the instrument hanging in the air and press the "CLR" button to turn it on, LCD full-screen display, which means it enters the measurement state. Then long-press the "CLR" button to turn it off. Press the probe onto the coated metal substrate lightly, ensure that the instrument is perpendicular to the surface of the object that is being measured.
After start-up, short press the" UNIT" button to select measurement unit mm or mil.
After start-up, long-press the"UNIT" button to turn on/off the backlight.
After start-up, press the "CLR" button to clear the data displayed on the LCD screen.
The Car Paint Tester will power off automatically if two minutes no operation after start-up. And it will power off automatically as well after five minutes of start-up, even when you are operating it.
Note: If The Screen Show You "OL" It Means Over Range, Can Test Range(0-1.80mm/0-71.0mil)
1x Car Paint Digital Coating Thickness Gauge Meter With 2 CR2032 Battery