Designed for contractors and flooring specialists, the CMM IS delivers reliable RH and temperature readings in hard-to-reach concrete cores. It features reusable smart probes, rapid acclimation, and wireless data transfer to the PosiTector App or Advanced gage. Kits provide everything from basic probes to full Pro bundle with ambient monitoring.

DeFelsko PosiTector CMM IS Concrete Moisture Meter - In Situ

The PosiTector CMM IS streamlines concrete moisture testing in accordance with ASTM F2170. Its probe-and-sleeve design eliminates consumables, while the Bluetooth smart probes broadcast readings for up to three weeks in situ. Complete kits include storage, calibration, and reporting tools for thorough documentation.

DeFelsko PosiTector CMM IS Concrete Moisture Meter - In Situ

Features

01
In-situ RH & Temperature Measurement

Measures relative humidity and temperature inside concrete slabs via probes inserted into drilled holes; compliant with ASTM F2170.

02
Wireless / Bluetooth Connectivity

Probes broadcast data via Bluetooth to the PosiTector App or Advanced devices; no need to open holes to read measurements.

03
Long Battery Life

Probes operate continuously in the holes for up to ~3 weeks on standard coin-cell batteries.

04
Calibration & Verification Tools

Includes calibration check chambers, saturated salt solutions, and certificates traceable to NIST; easy to verify accuracy.

05
Durable, Consumables-Free Design

Combined sleeve and probe design reduces need for disposable parts; constructed to resist water, dust, oil, solvent, and acid.

Overview

DeFelsko PosiTector CMM IS Concrete Moisture Meter - In Situ
SpecificationValue
Temperature Range0° to 80 °C (32° to 175 °F) 
Temperature Accuracy±0.5 °C (±1 °F) 
Temperature Resolution0.1 °C / 0.1 °F 
Relative Humidity Range10 % to 90 %, and above 90 % 
RH Accuracy±2 % for 10-90 % RH; ±3 % for > 90 % RH 
RH Resolution0.1 %