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 Range0 to 1000µm
0 to 40mils
Accuracy±1 to 3% or 2µm, whichever is greater
Resolution0.1 µm (0 to 99.9µm)
1 µm (<100µm)
Sampling Time1 sec.
Display4-digit, LCD
Zero ButtonYes
Length of Probes3' (36")
Power Supply4 AA Batteries
Low Battery IndicatorYes
Product CertificationsCE
Operating Temperature32 to 104°F (0 to 40°C)
Storage Temperature-4 to 140°F (-20 to 60°C)
Operating Humidity Range20 to 90%
Dimensions6.3 x 2.7 x 1.25" (161 x 69 x 32mm)
Weight9oz (260g)