Smart Reader (for 4.0 EX and 5.0 Sensors)
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      3. Smart Reader (for 4.0 EX and 5.0 Sensors)

      How does the Rapid RH® Bluetooth® Smart Reader give me ambient temperature & relative humidity readings?

      The Smart Reader has a sensor built into the device itself. When you take a reading from within the concrete, in situ and ambient temperature and relative humidity readings are wirelessly sent to either the CalMaster or DataMaster™ app.