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Which Vendors Offer RFID-based Temperature and Humidity Sensors?
Are there any companies that offer such a product, aside from RF Code?
Yes, there are several.
• CAEN RFID makes a variety of temperature loggers. The company's easy2log RT0005 model, for example, is a low-cost passive temperature logger that can be used with standard passive ultrahigh-frequency (UHF) readers based on the ISO 18000-6C standard.
• TempTrip provides RFID-enabled temperature loggers. In 2012, the firm introduced a credit-card-size device featuring a button that can be pressed to start or mark temperature measurements at multiple points throughout a product's cold chain journey. When the button is pressed, a light-emitting diode (LED) on the tag blinks red if the temperature is out of range, or displays solid green if programmed parameters have been met. The tag can be affixed to packages, cases and pallets, and is capable of logging thousands of time and temperature points (see RFID News Roundup: TempTrip Announces RFID-enabled Temperature Tag for Food, Pharmaceutical Cold Chains).
• Farsens, a relatively new entry into the market, makes a number of passive RFID sensors, including a model that measures pressure in sealed places.
Most of these products—and, no doubt, several new offerings—will be exhibited at RFID Journal LIVE!, which will take place in Orlando, Fla., on Apr. 8-12, 2014.
—Mark Roberti, Founder and Editor, RFID Journal
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