temperature data-logger / relative humidity / wireless / without display
-18 ... +55 °C | TGRF-3500 Gemini Data Loggers (UK)



  • Measured quantity:

    temperature, relative humidity

  • Connector type:


  • Display:

    without display

  • Other characteristics:



This unit has been designed for easy installation and will automatically find its place in a Tinytag Radio System.
The unit works with other devices in a system to transmit logged data to a receiver and can store data locally in the event of radio contact being temporarily lost.
The unit is housed in a rugged, waterproof (IP67) case and is suitable for use in many different applications.

Wireless temperature humidity monitoring
Radio licence-free and frequency, 869.8 MHz (EU version)
Self-configuring and easy to set up
Self-contained and battery powered
Local cache can store 2 weeks of readings
Low battery warning
User-replaceable batteries
Local recording
Fast access to information
Remote alarm signalling via e-mail
SMS messaging supported
Cost efficient

Other Gemini Data Loggers (UK) products

Data Loggers