REED CM-8822 Coating Thickness Gauge, 0-1000µm/0-40mils


This coating thickness gauge includes ferrous and non-ferrous probes and features a zero button for quick adjustment in the field. The CM-8822 has a large easy-to-read LCD display and basic accuracy of 3%.


  • Measures the thickness of non-magnetic coatings on magnetic or non-magnetic metal substrates
  • User selectable µm/mils
  • Probe allows for readings in tight spaces
  • Large, easy-to-read LCD display
  • Automatic probe recognition
  • Zero adjustment button
  • Automatic calibration
  • Low battery indicator


Measuring Range 0 to 1000µm
0 to 40mils
Accuracy ±1 to 3% or 2µm, whichever is greater
Resolution 0.1 µm (0 to 99.9µm)
1 µm (<100µm)
Sampling Time 1 sec.
Display 4-digit, LCD
Zero Button Yes
Length of Probes 3' (36")
Power Supply 4 AA Batteries
Low Battery Indicator Yes
Product Certifications CE
Operating Temperature 32 to 104°F (0 to 40°C)
Storage Temperature -4 to 140°F (-20 to 60°C)
Operating Humidity Range 20 to 90%
Dimensions 6.3 x 2.7 x 1.25" (161 x 69 x 32mm)
Weight 9oz (260g)