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High-temperature UHF RFID sensor measurements in a full-metal environment

: Heiß, Michael

Fraunhofer-Institut für Integrierte Schaltungen -IIS-, Erlangen; Verband der Elektrotechnik, Elektronik, Informationstechnik -VDE-:
Smart SysTech 2013, European Conference on Smart Objects, Systems and Technologies. CD-ROM : June 11 - 12, 2013 in Erlangen, Germany
Berlin: VDE-Verlag, 2013 (ITG-Fachbericht 243)
ISBN: 978-3-8007-3521-1
European Conference on Smart Objects, Systems and Technologies (Smart SysTech) <2013, Erlangen>
Fraunhofer IPMS ()

Nowadays UHF RFID systems are used in several sensor applications. We present an RFID system that is used in switchgears to monitor the temperature of the contact points of copper busbars. The switchgear is equipped with an RFID reader and several RFID tags. Each tag is build up by an RFID chip, an internal microcontroller and a temperature sensor. This system is designed to withstand and measure tempreatures up to 170°C. The paper presents the design of the RFID sensor tag and some insights of the HF path in a full metal enclosure.