Milesight Carbon Dioxide Sensor (4 in 1)


Remotely monitor CO2 levels with the EM500-CO2 from Milesight 4-in1 sensor.

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Remotely monitor Carbon Dioxide levels with the EM500-CO2 LoRaWAN® CO2 sensor from Milesight. Ideal for use in harsh environments, this 4-in-1 sensor can be used to monitor CO2, temperature, humidity and barometric pressure.

Ideal for a wide variety of use cases, including: Warehouse environment monitoring, basement and underground parking monitoring, smart agriculture, forest fire detection and smart buildings. The LoRaWAN® CO2 sensor can be remotely managed by Milesight’s IoT Cloud Solution. It can also be configured to automate alerts for data which is recorded outside your set parameters.


  • LoRaWAN® Certified
  • Combines 4 sensors in one: CO, temperature, humidity and barometric pressure
  • Variety of mounting options: DIN rail, Wall and Pole
  • Wireless range of up to 10km (depending on environment)
  • Equipped with NFC for easy configuration
  • IP65 rated waterproof enclosure for installing in harsh environments
  • CE, FCC and RoHS certified


Dimensions 147.9 x 71 x 69.5mm
Operating temperature -30°C to 70°C
Humidity 0 to 100% RH (non-condensing)
Expected battery life >10 years (depending on configuration and environment)
Wireless Technology LoRaWAN®

Key documents & information

  • Milesight EM500-CO2 4-in-1 Sensor Datasheet
  • Milesight EM500 Series User Guide
  • 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, trade pricing and lead times, please contact our team.

    Our technical sales team are also happy to advise customers on the best LoRaWAN® solution for their specific applications on an individual project basis.

    Our experts are on hand to help you every step of the way
    Lets talk

Additional information

Dimensions 147.9 × 71 × 69.5 mm



Environmental Protection

IP65 Rated

Measurements Taken

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Power Source




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