Concrete Moisture Meter - In Situ Measure Relative Humidity and Temperature in Concrete Floor Slabs The PosiTector CMM IS probes and free mobile app guides users through the ASTM F2170 documentation criteria. View and record readings directly with your Apple or Android smart device or PosiTector DPM Advanced gage Easily collect and report relative humidity and temperature in concrete floor slabs in conformance with ASTM F2170 No need to open the hole or remove the cap. Probes remain powered on and broadcasting via Bluetooth while in situ for up to three weeks. Reusable Smart Probes Fast response precision sensors provide accurate, repeatable readings Fast acclimation, reduced testing time Combined sleeve and probe design simplifies the installation process and does not require consumables