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RFID News Roundup

Checkpoint releases circular tag for health, beauty products; boosts production capabilities ••• Farsens unveils prototype RFID sensor tags ••• RFID, RTLS adoption to rise in warehouses, according to Zebra study ••• Startup reelyActive launches Bluetooth-enabled customer-tracking service ••• STiD unveils two new UHF RFID tags for aerospace, oil and gas industries ••• GS1 UK survey shows growing RFID adoption by apparel sector ••• Radley and Smart Label Solutions announce partnership.
By Beth Bacheldor

Farsens Unveils Prototype RFID Sensor Tags

Farsens has announced prototypes of three new passive ultrahigh-frequency (UHF) sensor RFID tags: Truck-PT, for measuring tire pressure and temperature; Rotor-WT, designed to be installed inside motors and generators to detect rotor hot spots in real time; and Electra-CT, for monitoring hot spots inside switchgear in real time. All three RFID sensor tags are compatible with commercial EPC Gen 2 UHF RFID readers.

Since the products are still under development, they are not yet available for purchasing in volume, according to Mikel Choperena, Farsens' product development manager. However, he says, their materials, sizes, fixation methods and other features can be modified to meet a customer's particular needs.

Farsens' Truck-PT tag
The Truck-PT RFID tag is built in a compact PCB format and encapsulated in a cushion gum housing. It includes an MS5803-14BA pressure and ambient temperature sensor provided by Measurements Specialties, with an absolute pressure range from 0 bar to 30 bar and an ambient temperature range from -40 to +85 degrees Celsius (-40 to +185 degrees Fahrenheit).

Additionally, the tag includes a Murata negative temperature coefficient (NTC) thermistor (NCP18XH103F03RB) for monitoring the contact temperature of the tire's sidewall. The tag uses an ANDY100 IC for energy harvesting and wireless communication, as well as startup circuitry based on a voltage monitor and a voltage regulator, and a micro-controller for interface conversion.

Farsens' Electra-CT tag
Also built in a compact PCB format, the Rotor-WT and Electra-CT tags each contain Farsens' RMeter resistance meter tag and a Semitec 103GT-2 NTC thermistor. Both are available in a variety of antenna designs and sizes, depending on the specific application. The tags can be encapsulated in an IP67 or IP68 casing for usage in harsh environments. The RMeter includes an ANDY100 IC for energy harvesting and wireless communication, as well as startup circuitry based on a voltage monitor, a microcontroller and signal conditioning circuitry for measuring resistive sensors.

Farsens will showcase the tags and sensors, including the new prototypes, in its exhibition hall booth (#743) at next week's RFID Journal LIVE! conference and exhibition, taking place on May 3-5 in Orlando, Fla.

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