Temperature Sensor IP66 “Cels’O” LoRaWAN

This product is used in the following IoT solutions:


IP 66 device with temperature sensor  

The Cels’O Sensor from NKE-Watteco is a robust, battery-powered IP 66 capable sensor for real-time transmission of temperature measurements over long distances via LoRaWAN.
Monitoring of temperature-sensitive products in cold chains and temperature-controlled supply chains.
Periodic transmission of the sensor values and/or alarm in case of exceeding or falling below the limit values.  

Use Cases

  • Monitoring of the ambient temperature in cooling and climatic chambers in the agricultural and food industry
  • Applications: refrigerator, freezer, refrigerated vehicles and refrigerated containers
  • Temperature-controlled supply chains
  • Share information in the cloud

Technical specifications:

  • Probe with 2m cable and metal tip
  • Temperature measurement:
    • Measuring range -30°C +35°C
    • Precision +/- 0,5°C
    • Resolution 0,1°C
  • 7 years battery life at 4 measurements per hour and 1 transmission per hour
  • Data storage up to 30 days with temperature measurement every 60 minutes
  • Batch reporting via data compression
  • IP66
  • CE Compliant & RoHS Compliant
  • Frequency (MHz) EU: 863-870
  • Transmit Power (dBm) +14
  • Receiver Sensitivity (dBm) -140
  • Protocol: LoRaWAN, Class A
  • Measurement Cycles from 1h to 48h in 1h step
  • Data history available
  • Activation method:
    • Activation by Personalization (ABP)
    • Over-The-Air Activation (OTAA)
  • Data encryption: AES128
  • Range -30 / +35
  • Accuracy +/- 1°C over the range [-30°C; +5°C]
  • Accuracy +/- 0,5°C over the range [+5°C; +35°C]
  • Resolution 0.1°C
  • Power supply:
    • 3,6V / 3600mAh lithium battery
  • LED Indicator: Network pairing & configuration
  • Magnetic switch: Reset, ON/OFF
  • Dimension (mm): 100x100x25
  • IP Class: IP66
DIRECTIVES & STANDARD EN, 61000-4-2 EN 300-220-1 V2-4-1, EN 301 489 V1-6-1 CE, FCC part 15.247 subpart C, RoHS recommendation compliant


Additional information

Weight 0.25 kg
Device Type

Sensor Plug'n'Play




embedded probe, external, cable 2m

Temperature Sensor IP66 “Cels’O” LoRaWAN