CO2, Temp, Humidity & Barometric Pressure NB-IoT Sensor


The Efento CO2 NB-IoT sensor combines 4 sensors in one to measure CO2, temperature, humidity and barometric pressure, ideal for optimising indoor comfort levels.

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Remotely monitor indoor environments with Efento‘s CO2 IoT sensor. Ideal for use in areas such as:

  • Warehouses
  • Hospitals
  • Museums
  • Airports

This smart device combines 4 sensors in one to measure CO2, temperature, humidity and barometric pressure. Designed to optimise indoor comfort levels, this CO2 IoT sensor can be easily configured by a smartphone.

Using NB-IoT (Narrowband IoT), this CO2 IoT 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.


  • Combines CO2, temperature, humidity & barometric pressure sensors in one compact device
  • Ideal for monitoring indoor comfort levels
  • 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 bands: 1, 2, 3, 4, 5, 8, 12, 13, 17, 18, 19, 20, 25, 28, 66
  • 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: 1, 2, 3, 4, 5, 8, 12, 13, 17, 18, 19, 20, 25, 28, 66
Weight 140g (including batteries)
Dimensions 28 x 60 x 124 mm
Case Materials White plastic ABS
Operating temperature -35°C to +70°C
Operating humidity 0 to 99% non-condensing
Environmental Protection IP30 Rated
CO2 Range 400 to 5000 ppm
CO2 Accuracy ±(40 ppm + 5% of reading)
Temperature Range -35°C to 70°C
Temperature Accuracy Up to 0.25°C in the -20°C to 70°C range and 0.5°C in the -35°C to -20°C range
Temperature Resolution 0.1°C drift / year
Humidity Range 0 to 99% RH
Humidity Accuracy Up to 4% in the 0 – 80% RH and 7% in the range of 81 to 99%
Humidity Resolution 1% drift: <0.25% / year
Pressure Range 300 to 1100 hPa
Pressure Accuracy absolute +/- 3 hPa in temperature 0 to 65°C, relative +/- 0,12 hPa in temperature 0 to 65°C
Pressure Resolution 0,1 hPa
Memory size 40,000 measurements
Measurement Interval 1 minute 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 28 × 60 × 140 mm



Environmental Protection


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