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CMEX5 Digital Multi Moisture Meter for Concrete

The new Concrete Moisture Encounter X5 (CMEX5) represents an all-in-one instrument for flooring professionals, incorporating plug-in ports for the optional RH relative humidity probe testing per ASTM F2170 and heavy-duty pin-type wood probes. It serves as a digital multi-moisture meter for concrete, suitable for the deployment in various applications such as humidity controls of flooring and also for water damage restoration, inspection and even for the measurement of indoor air quality.

The CMEX5 quickly provides accurate quantitative measurements of humidity, using Gravimetric testing for a baseline. Furthermore it provides the Carbide Method equivalent readings for concrete and other cementitious substrates as well as comparative readings as per ASTM F2659.

A Bluetooth connection enables data transferral to the associated IOS or Android app and consequent data reporting.

The CMEX5 offers 4 measurement modes:

  • Non-Destructive Testing Mode (NDT): Non-destructive testing of concrete floors and slabs.
  • Hygrometer mode: the built-in relative humidity sensor measures the relative humidity, temperature, dew point and humidity ratio (or mixing ratio) of the environment.
  • Equilibrium mode for relative humidity (optional insert probe): With the optional Hygro-i2 RH insert probes, the Concrete Moisture Encounter X5 measures the ratio of relative humidity, temperature, dew point and humidity ratio in equilibrium in structural materials. A building material such as a concrete slab can be tested using the in-situ method or the RH-Hood method (International Standards: ASTM F2170 & BS 8201, 8203, 5325). Relative humidity probes can also be used to measure the relative humidity in air spaces.
  • PIN measuring mode (optional plug-in probe): The Concrete Moisture Encounter X5 becomes an ohmmeter in PIN measuring mode and measures the percentage moisture content (% MC) of wood when used with the optional plug-in PIN measuring device. International wood standards or preprogrammed wood types can be selected. The PIN measurement mode can also be used for drywall and WME (Wood Moisture Equivalent) measurements for other materials.

  • Non-destructive quantitative %MC
  • 4 modes of measurement: Non-destructive moisture measurement and ambient hygrometer
  • 5 NDT Scales: Concrete MC, CM Concrete (Carbide Method equivalent for concrete), CM Anhydrite/Gypsum, Gypsum Ref 0-12 and a Reference scale
  • Built-in ambient RH sensor
  • Bluetooth connection to IOS and Android Tramex app
  • Concrete 0-6 %MC reading range
  • CM äquivalent Anhydrite Messbereich 0 - 1.9
  • CM äquivalent Messbereich 0 - 4
  • Moisture readings and scale are displayed on a large, clear easy-to-read clear digital display
  • 8 simple membrane keypad controls
  • Extension handle (optional)


how it works

4 operating modes:

1. In-destructive testing (NDT) mode: The elctrical impedance is measured by creating a low frequency alternating electric field between the electrodes as indicated below.

how it works

2. In Hygrometer mode: The CMEX5 has an integrated hygrometer that measures the ambient relative humidity (RH), temperature (T), dew point (DP) and humidity ratio (HR G/lb) of the environment. These measurements are continously indicated at the bottom of the screen (regardless of the mode/scale used), as illustrated below:

how it works

3. In Equilibrium/Ambient Relative Humidity mode: In this mode the CMEX5 determines the capacitance of the RH probe sensor which varies with the relative humidity of the testing environment (percentage relative humidity). It also measures temperature and shows dew point and humidity ratio.

how it works

4. In PIN Meter mode: The CMEX5 functions with the principle of DC resistance. As the electrode pins are pressed into the wood, the electrical resistance between the elctrodes is measured. The higher the moisture content the greater the reduction in resistance.The level of resistance is measured and translated into a moisture value as shown in the image hereunder:

how it works

Operating procedure

The Concrete Moisture Encounter X5 detects and evaluates the moisture conditions within the slab or screed by non-destructively measuring the electrical impedance. A low frequency electronic signal is transmitted into the material under test via the electrodes in the base of the instrument. The strength of this signal varies in proportion to the amount of moisture present in the material. The Concrete Moisture Encounter X5 determines the strength of the current and converts this to a moisture content value for concrete slabs and a comparative value for other cementitious floor screeds, displayed on a large clear digital dial.

how it works

Complete Kit
  •  Tramex Concrete Moisture Encounter 5
  • 2 x AALR6 ALKALINE batteries


Measuring range: Moisture content for Concrete: 0 → 6.9 %
Comparative for Gypsum floor screed: 0-12
CM Equiv Anhydrite/Concrete: 0→2.7 / 0→4.3
Reference scale: 0 → 10
Relative Humidity 0 → 99% (with optional Hygro-i2 ® probe): Humidity accuracy: 0% → 99% RH +/- 2% 25°C
Moisture content for wood (with optional wood pin probes): 5 → 30 %
Depth of penetration in concrete: approx. 20mm
Construction: ABS Body
Size: 180mm x 85mm x 40mm
Depth of penetration in concrete: 20mm
Weight: 357g
Power: 2 x AALR6 ALKALINE (included)


Product name
Tramex Digital CMEX5 Digital Moisture Meter
£ 563,00 
All mentioned prices are excluding VAT & excluding shipment costs.
Availability : Available , preorder 1-2 weeks , special order, request

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