NB-IoT High Range Temperature Sensor


Measure temperatures between -70°C and 450°C with the Efento high range temperature sensor.

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Remotely monitor temperatures in ovens and other hot areas with the high range temperature sensor from Efento. Equipped with a 1m probe with a Pt1000 sensor, this NB-IoT sensor can be used to measure temperatures between -70°C and 450°C.

Ideal for monitoring temperatures in areas such as bakery ovens and industrial drying ovens. This high range temperature sensor enables you to ensure the correct temperature and maintain detailed records.

Using NB-IoT (Narrowband IoT), this sensor uses cellular networks to transmit recorded data. NB-IoT sensors can be integrated with any cloud platform and are easily connected by a cellular IoT SIM card. Simply insert your NB-IoT SIM card and away you go.

Talk to us today to get started with NB-IoT.


  • Ideal for measuring high temperature ranges
  • Features a Pt1000 sensor on a 1m long cable
  • Provides up to 10 years battery life depending on device configuration
  • Capacity to store up to 40,000 measurements in the device memory
  • Operates on NB-IoT band: 8, 20
  • Configurable alarm thresholds & data measurement thresholds
  • Simple to set up with a smartphone
  • Can be integrated with any cloud platform


Battery 2 x 4200 mAh or 3 x AA, 6300 mAh batteries
Wireless Technology NB-IoT band: 8, 20
Weight 140g (including batteries)
Dimensions 28 x 60 x 124 mm
Probe 1m
Case Materials White plastic ABS
Operating temperature -55°C to +70°C
Operating humidity 0 to 99% non-condensing
Environmental Protection IP30 Rated
Sensor Temperature Range -70°C to 450°C
Sensor Temperature Accuracy Up to 0.3°C in 0°C and 1.8°C in+300°C
Resolution 0.1°C, drift / year
Memory size 40,000 measurements
Measurement Interval 5 minutes to 10 days (configurable by the user)

Key documents & information

Discounted Trade Pricing: Contact us for trade pricing, to place an order or to discuss your IoT projects.

All of our products are available to customers throughout Europe. For more information on shipping costs, currency conversions and lead times, please contact our technical sales team.

Our technical sales team are also happy to advise customers on the best NB-IoT Sensors to suit specific project requirements. NB-IoT coverage can vary depending on location, contact us to find out if coverage is available in your deployment location.

For simple deployment and ongoing management of your NB-IoT solutions, check out our cellular IoT middleware platform, Symbius. Designed to enable you to make the most of your data, Symbius will take the headache out of decoding your data for you.

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Additional information

Weight 140 g
Dimensions 24 × 60 × 124 mm



Environmental Protection


Measurements Taken

Power Source




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