NEXELEC X520LR-US 3-in-1 Room Sensor
- Remote reading of measurements. All information is available in a secure cloud space
- For better indoor comfort. Measures ambient parameters in offices or homes
- Accuracy of CO2, temperature and humidity measurements validated by an accredited metrology laboratory
- Operates on replaceable lithium batteries. Up to 20 years(1) of autonomy
- Integrated micro SD card. Up to 10 years of sensor measurements stored in memory. Useful in the event of a power cut

The connected CO2 sensor for professionals
The data collected by room sensors is essential to the smooth operation of many buildings.
Our products offer exceptional reliability, stable IoT connectivity, long battery life and consistently accurate measurements.
Easy to manage and configure, they can be deployed in large numbers to ensure efficient operations and satisfied customers.
Reliable, precise temperature and humidity measurements
To avoid any risk of erroneous measurements, particular attention has been paid to integrating the temperature and humidity sensors into the product.
Rigorous testing and strict validation protocols guarantee operation in extreme operating conditions ranging from -20°C to +50°C and from 0 to 99% ambient humidity.
Features
Connected
Remote reading of measurements. All information is available in a secure cloud space
Temperature / Humidity
For better indoor comfort. Measures ambient parameters in offices or homes
Calibration certificate
Accuracy of CO2, temperature and humidity measurements validated by an accredited metrology laboratory
High-performance battery
Operates on replaceable lithium batteries. Up to 20 years(1) of autonomy
Monitors Indoor Air Quality
The CO2 sensor analyzes the atmosphere every 5 minutes and informs if it is necessary to ventilate or close the window
Saves measured data
Integrated micro SD card. Up to 10 years of sensor measurements stored in memory. Useful in the event of a power cut







