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CMEX5 Digital Multi Moisture Meter for Concrete

Made in the EuConcrete Moisture Encounter X5 (CMEX5)

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.


Measuring ranges
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  → 100
Releative Humidity                                                     0  → 99%
        with optional Hygro-i2 probe                              0% → 99%RH +/- 2% @ 25°C
Moisture content for wood (with wood pin probes)    5 → 30%

  • Non-destructive quantitative %MC
  • 4 different measurement modes
  • 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
  • Moisture readings and scale are displayed on a large, clear, easy-to-read digital display
  • 8 simple membrane keypad controls
  • Extension handle (optional)


how it works

4 Operating Modes:

1. Non-Destructive Testing (NDT) Mode: The electrical impedance is measured by creating a low frequency alternating electric field between the electrodes as indicated below:

how it works

2. 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 continuously indicated at the bottom of the screen (regardless of the mode/scale used), as illustrated below:

how it works

3. 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. 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): 0% → 99% RH +/- 2% at 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
Power:2 x AALR6 ALKALINE (included)


RHP-SW Tramex Relative Humidity Probes

  • Fast Acclimation and Temperature response time
  • Proven robustness, Durable and Reusable
  • Best in class accuracy and reliable, even at high RH >90%

More details

RHP-SW Tramex Relative Humidity Probes 127411

Tramex Electronic Interface Tramex Hygro-i2 Electronic Interface Connects Hygro-i2 probes

  • RHIE2 with Din Connection for use with CMEX2 and MRH3
  • RHIE2B with Bayonet Connection for use with Feedback Datalogger RHTX and CMEX5

More details

Tramex Electronic Interface Tramex Hygro-i2 Electronic Interface Connects Hygro-i2 probes 127012

Tramex Hygro-I RH Probe Tramex Hygro-i2 Relative Humidity Probe for MRHIII & CMEXII

  • Fast acclimation time

More details

Tramex Hygro-I RH Probe Tramex Hygro-i2 Relative Humidity Probe for MRHIII & CMEXII 127014

Related Products

CMP - Concrete Moisture Probe CMP – Concrete Moisture Probe

  • Instant and accurate in-situ moisture content measurements
  • The hole diameter required is the same for the Hygro-i2 Relative Humidity tests as per F2170
  • Determines if moisture is coming from below or above the concrete slab surface

More details

CMP - Concrete Moisture Probe CMP – Concrete Moisture Probe

CDTK - Concrete Determinator Tech Kit

  • Compact kit for surface and in-situ moisture content readings in concrete floors and slabs
  • Includes CMEX5, Concrete Moisture "Determinator" Probe and free iOS/Android App

More details

CDTK - Concrete Determinator Tech Kit

Buy Now

Tramex Digital CMEX5 - Digital Concrete Moisture Meter
€ 730,00 

Tramex Extension Handle & Bracket for use with MEX5, CMEX5, ME5, CME5 & SMM5
€ 55,00 
Tramex Concrete Determinator Kit - CDK
€ 835,00 
Tramex Calibration Check Plate CALCRH for CME4/5, CMEX5
€ 68,00 
RHP-SW-B Tramex RH Short Probe 110 mm with Bayonet Connection for use with Feedback Datalogger RHTX and CMEX5
€ 175,00 
HIPP1 - Tramex Hygro-i2 Probe - Pack of 1
€ 110,00 
RHIE2 - Tramex Hygro-i2 Electronic Interface Connects Hygro-i2 probes to MRH3 & CMEX2
€ 75,00 
Tramex Hand Held Pin Probe for CMEX5
€ 151,00 
All mentioned prices are excluding VAT & excluding shipment costs.
Availability: Available: 1 - 3 days, Delivery time: 1 - 3 weeks, special order request