Concrete moisture meter Tramex CME5 – non-invasive, ASTM F2659, CM scales

Non-destructive moisture meter for concrete slabs and screeds, to ASTM F2659. Immediate moisture percentage reading on the analogue dial, with scales equivalent to the carbide method (CM) for cement and anhydrite. Measuring depth approx. 20 mm, contact spring for a stable signal, Bluetooth for the Tramex Meters app. Made in Ireland, 1-year warranty.

What the Tramex CME5 is

The Concrete Moisture Encounter CME5 is the Tramex instrument dedicated to checking moisture in concrete floors before laying resins, parquet, PVC and carpet. Placed on the clean slab, it measures by impedance the moisture content of the surface layer of the pour and shows it as a percentage on the analogue dial, within seconds and without drilling. The additional scales give the equivalent carbide-method (CM) value for cement and for anhydrite, the reference used in European specifications. The speed of the test makes it possible to map large areas and to choose where to carry out more in-depth in-situ tests.

Who it is for

• Installers of resin, timber, PVC and carpet flooring: checking that the substrate is suitable before installation.
• Building contractors and screed layers: checking the drying of cement and anhydrite slabs and screeds.
• Site supervisors and inspectors: quick mapping to ASTM F2659 to identify the points to test with the in-situ method.
• Water-damage restoration companies: monitoring the drying of floors after flooding.

Why choose it

• Quantitative reading on concrete. Calibrated against the gravimetric oven-drying method: moisture percentage 0–6 % on clean, uncovered slabs, not just a comparative value.
• Scales equivalent to the carbide method. CM value for cement (0–4) and for anhydrite (0–1.9) directly on the dial, without destructive testing.
• ASTM F2659 compliant. The reference standard for the non-destructive assessment of moisture in substrates before installation.
• Contact spring. When the instrument is pressed down fully, the spring-loaded base ensures even electrode contact and repeatable readings.
• Bluetooth and the Tramex Meters app. Colour-coded floor moisture maps, photos with the reading overlaid and reports for the customer.
• Optional extendable handle. With the E5-HBS extension you can measure standing up, without kneeling, across the whole surface.

How it works

The coplanar electrodes on the base send a low-frequency signal into the floor; the signal strength varies with the amount of water in the material and the instrument converts it into the value shown. The field extends to a depth of approximately 20 mm. Readings taken through paints, coatings, adhesives or other layers should be regarded as qualitative or comparative, not quantitative. For anhydrite screeds, the dedicated CM scale is used.

Technical data

Supplied with

CME5 instrument · 2 AA batteries · quick guide.

Compatible accessories

• AP-CM – Accessory kit for CME5 and CMEX5: Calibration check plate, extension and case
• CALCRH – Calibration check plate: Periodic on-site verification (for CME5, CMEX5, CME4, CMEX2)
• E5-HBS – Telescopic extension with bracket: Standing measurements across the whole floor (30–80 cm)
• CMP – CMP Box – in-situ concrete moisture: In-situ method for the moisture content of floors and slabs, complementary to the non-destructive test

Models compared

ME5: the universal analogue instrument for timber and building materials, non-destructive with dual depth. MEX5: the digital version, with a built-in hygrometer for ambient conditions, infrared thermometer, input for in-situ RH probes and pin probes, and over 500 selectable timber species with automatic temperature correction. CME5: the model calibrated for concrete (ASTM F2659), with scales equivalent to the carbide method for cement and anhydrite, analogue dial. CMEX5: concrete in a digital version, with four measuring modes. Skipper 5 (SMM5): dedicated to marine surveys of fibreglass and timber hulls. If you are unsure which to choose, contact us: our technical support will recommend the right model for your application.

Documentation

Documentation in Italian
	DATA SHEET CME5 (REV. 1.0, 9/20)
	USER MANUAL
Documentation in English
	USER MANUAL