RFID temperature sensor tag does not require batteries

28th March 2014

Farsens S.L.

Nat Bowers

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Datasheet

Capable of transmitting a unique identifier and the associated temperature measurement data to a commercial EPC C1G2 reader, the Pyros-TGT2-DWB from Farsens is a battery free RFID sensor tag. The device features a 103GT-2 NTC thermistor (10K) from Semitec with a measurement range from -10 to +120°C with an accuracy of ±0.5°C.

The Pyros-TGT2-DWB also offers an extended temperature range from -30 to +300°C with an accuracy of ±3°C. RFID tag operation range is from -30 to +85°C.

The tag comes in a variety of antenna designs and sizes to adapt performance to the required application in the 860-960MHz band. The reading distance for the battery-free thermistor tag is around 1.5m (5ft) and it can be embedded in a wide variety of materials such as plastics or concrete. It can also be encapsulated in an IP67 or IP68 casing for usage in harsh environments.

The Pyros can be used without batteries at all, allowing for a wide range of opportunities monitoring temperature in applications where the accessibility is restricted, or where the use of batteries is not recommended. Since batteries are not needed, the sensor tags will never have to worry about autonomy. The fact that the tags need neither wiring nor batteries makes them suitable for applications such as rotary parts monitoring, including rotor temperature monitoring in engines or asset monitoring in the railway and automotive industry (monitoring temperature variations of key assets while in operation). Evaluation kits are also available.