DeFelsko PosiTest CMM Concrete Moisture Meter

DeFelsko’s CMM Concrete Moisture Meter for non-destructively measuring the moisture content of concrete.

SKU: DEF-CMM Category: Tags: , ,


DeFelsko PosiTest CMM Concrete Moisture Meter non-destructively measures the moisture content of concrete. Its ergonomic and lightweight design features a rubberized grip for all day inspection.

The CMM features three measurement mode:

  • Continuous Mode constantly updates display
  • Hold Max Mode displays the maximum reading until saved or reset
  • Hold Max and Save Mode waits for the reading to stabilize, then automatically saves it into memory


  • Quick response precision sensors for instant readings
  • Easy-to-read digital display takes the guesswork out of analog scales
  • Storage of 200 readings – can be viewed or downloaded
  • Weatherproof, dustproof, and water-resistant – IP65-rated enclosure
  • Built-in threaded mounting point for the optional Telescopic Extender for measuring without kneeling
  • Compatible with PosiSoft Software
  • Conforms to ASTM F2659


Measurement Scales

0 to 6% Moisture Content of Concrete*

0 to 4% Carbide Method Equivalent

0 to 100 Relative

Accuracy± 0.5% Moisture Content of Concrete
Depth of Penetration~20 mm (0.75″)
Temperature Range5° C to 40° C (40° F to 105° F)

*This scale is calibrated using the gravimetric method (percentage of dry weight).

DeFelsko CMM IS Concrete Moisture Meter is also available as an in-situ option for measuring the moisture content in concrete.

Stone Tucker Instruments can certify your DeFelsko PosiTest CMM Concrete Moisture Meter.

Weight1.5 lbs
Dimensions10 × 7 × 3 in

The PosiTest CMM comes with:

  • Concrete Moisture Meter
  • Protective Rubber Cap
  • Check Standard
  • 2 AAA Batteries
  • Instructions
  • Test Certificate
  • USB Cable
  • Nylon Carrying Case
  • Two Year Warranty

Click here to download the DeFelsko PosiTest CMM Datasheet

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