Bluetooth® Temperature & Humidity Sensor

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Introduction to the product


Perfect monitoring solution for wide use in the cold chain logistics, freezers, refrigerators and other temperature sensitive cases. Sensor uses advanced Blue-tooth 4.0 LE technology to get data from long distance, it can work from internal battery up to 300 days! Collected temperature and humidity information of the surrounding environment is transferred to FMB device which has possibility to support up to four temperature sensors at the same time.

Product Specification

  • LED light indicating for different status
  • High accuracy and stability;
  • Bluetooth® 4.1;
  • Long distance wireless transfer;
  • Built-in highly sensitive temperature and humidity sensor;
  • Real-time display temperature and humidity;
  • You can set the alarm temperature range;
  • Can be set the scope of temperature alarm;
  • Can set normal storage temperature and humidity data interval and alarm

storage temperature and humidity data interval;

Technical characteristics Discription
Size 50mm * 50mm * 16mm
Weight 30g
Signal transmission frequency 2.400 - 2.4835Ghz
Protocol standart Bluetooth® 4.1
Modulation mode GFSK
Send interval 2S, adjustable
Built-in battery Panasonic CR2450 (620mAh/3V)
Output power -4dBm, adjustable
Communication rate 1Mbps
Transmission distance 55 meters, adjustable
Battery life Up to 300 days (Depends on the mode of operation, replaceable battery)
Operating temperature range -25℃ ~ +60℃
Humidity detection range 0 ~ 85%RH
Temperature detection accuracy ±0.3 ℃ (0 ~ 60℃), ±0.3 ~ ±0.7 ℃ (other)
Humidity detection accuracy ±3 %RH (20 ~ 80%), ±4% (other)