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The PosiTest CMM Concrete Moisture Meter is the fast, non-destructive impedance meter ideal for inspectors looking to quickly evaluate the moisture condition in concrete slabs.


  • Easy-to-read digital display takes the guesswork out of analog scales
  • Storage of 200 readings—stored readings can be viewed or downloaded
  • Innovative Hold Max and Save Mode waits for the reading to stabilize, then automatically saves it into memory
  • Built-in threaded mounting point for the optional Telescopic Extender to ergonomically measure without bending or kneeling
  • Weatherproof, dustproof, and water-resistant—IP65-rated enclosure

Concrete Moisture Meter - CMM | 石屎濕度計

  • Measurement Scales

    0 to 6% Moisture Content of Concrete*
    0 to 4% Carbide Method Equivalent
    0 to 100 Relative


    ± 0.5% Moisture Content of Concrete

    Depth of Penetration

    ~20 mm

    Temperature Range

    5° to 40° C
    IP Rating 65 (dust and water jet resistance)
    Memory 200 readings
    Power 2 AAA Alkaline Batteries


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