LoRa SPY T3 with external PT100 probe (-200 to 0˚C) LoRa SPY Loggers JRI

LoRa SPY T3 with external PT100 probe (-200 to 0˚C)


Designed to monitor low temperature in ultra-low freezers and LN2 tanks, the LoRa® SPY T3 can be placed on the outside thanks to its magnet allowing to visualize data measurement.

Data are sent to the JRI secure Cloud by LoRaWAN™ network of the telecom operators members of the LoRa Alliance™, or by a Micro Gateway private network data transmission module.

In case of threshold excursions, real-time alerts are sent.

Temperature measurements are managed on the JRI-MySirius temperature monitoring web application. 


  • Long-range LoRaWAN connectivity
  • Easy to use : LoRa SPY T3 is ready to use and has operating and alarms lights
  • LCD display
  • Excellent measurement accuracy
  • External probe
  • Fixing eyelets and integrated magnets
  • Replaceable battery


  • Measurement range : -200°C to 0°C
  • Accuracy : ±0.2°C from -20°C to 0°C, ±0.5°C out of this range
  • Communication frequency : 915 MHz
  • Memory : 10 000 data points
  • Radio range : Up to 16 km open field range
  • Sensors : External Class A PT100 - Ø2,9mm Teflon® cable with 50cm or 6m lenght
  • Interface : Status LED lights, On/Off touch sensitive button, LCD display
  • Dimensions : 87 x 64 x 25 mm
  • Weight : 100 g
  • Power supply : Replaceable Lithium 3,6v battery
  • Battery lifetime : 2 years
  • Identification ring : Red

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