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RFID sensor helps detect moisture in buildings

Moisture in walls, behind drywall or in floors can cause serious building damage, hygiene problems or unnecessarily high energy costs. Typically, moisture is measured using classic gravimetric methods; these methods require samples to be taken, thus cause damage to the building substance and take time as the samples have to be dried in the lab.

The researchers at the Fraunhofer-Institut für Photonische Mikrosysteme (IPMS) in Dresden, Germany, thought there must be an easier way. The scientists in Dresden have developed an RFID (radio-frequency identification) moisture sensor that delivers real-time and contact-less results on location using its own energy source. - See more at:

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