EM2271 Digital Car Paint Coating Thickness Gauge Meter with calibration plates

EM2271 Digital Car Paint Coating Thickness Gauge Meter with calibration plates
Please don't use this device under 0 degrees Celsius.
The device is not to measure metallic paint on car or similar objects.
This tester may not be used to test your home appliances (refrigerator, oven, microwave oven, etc.)
• Measurement range: 0.0 to 2.0 mm, 0 mil to 80 mil
• Accuracy: 2%rdg +-0.1 mm, or 2%rdg+-4 mil
• Resolution:0.1 mm/1 mil
• Power supply: 1 x 3 V button cell, CR2032 or equivalent
• Measuring technology: Magnetic
• Size :6.9 x 3.8 x 2cm
• Weight: About 23 grams

How the device works:
1. Probe.
Before measurement, place the tester with its probe firmly against target surface.
2. Display
3. "TEST" button
（1）. Press "TEST" button to turn on the tester. Press and hold down this button for about 1 second to turn off the tester.
（2）. Press "TEST" button to delete the reading on the display, the display will show "- -". 4. "UNIT" button.
Press this "UNIT" button to select desired unit: mm or mil