Wireless carbon monoxide (CO) logger measures and transmit gas concentration over Bluetooth Low Energy. On top of the concentration of CO (in ppm)in the air, the sensor also measures temperature and humidity. You can use a free mobile application to configure the device and read the data from its memory. If you add Efento Gateway, you can build a remote monitoring system for objects which need supervision such as smart cities, public buildings, workshops, assembly halls, industrial companies, etc.
- Range: 0 – 450 ppm
- Temperature: -35 to +70°C, accuracy: up to 0.4°C in the range from -20°C to +70°C and up to 0.5°C in the range -35 to -20°C
- Humidity: 0 to 100% RH, accuracy 4% in the range of 0 to 80% and 7% in the range of 81 to 99%
- Measurement period: 1 minute – 10 days (configurable by the user)
- The device stores 40,000 measurements in its memory, when the memory is full, the oldest measurements are overwritten
- Battery ensures up to 5 years of maintenance-free operation
- Add Efento Gateway and Efento Cloud to build a real time monitoring system. The maximum distance between the sensor and the Gateway is 100 m in the open space and 20 – 30 m in the buildings
- Use a free mobile application to configure the logger, read the data from its memory, generate reports and set alert thresholds


Efento Cloud
Together with Efento Cloud, the sensors enable constant monitoring, alerting about exceeding safe limits, generating reports and analyzes.

Long battery life
Loggers have been designed to work for up to 5 years on battery. You can forget about changing the battery frequently or troublesome battery charging.

Lower costs
Choosing wireless sensors and a cloud platform reduces the installation and maintenance costs.

Wide range of sensors
Efento sensors can measure various physical and chemical values. If you decide on one sensor today, you can expand your sensors fleet to another types anytime you want.

Integration
Standard communication protocols allow integration with any cloud platform or mobile application.

Easy set up
All you need to set up a logger is a smartphone with a free mobile application. The whole configuration takes no more than 15 minutes.
Technical Data:
- GAS SENSOR
- Range: 0 – 450 ppm
- Accuracy: at: -20°C (% output at -20°C/output at 20°C) at 5ppm CO 50 to 85, at: 50°C (% output at 50°C/output at 20°C) at 5ppm CO 110 to 125
- Measurement interval: 1 minute to 10 days, configurable
- Memory size: 60 000 measurements
- TEMPERATURE SENSOR
- Range: -35° to 70°C
- 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
- Resolution: 0.1°C
- Drift: <0.1°C / year
- Measurement interval: 1 minute to 10 days, configurable
- Memory size: 60 000 measurements
- HUMIDITY SENSOR
- Humidity: 0 to 100% RH
- Accuracy: 4% in the range of 0 to 80% and 7% in the range of 81 to 99%
- RADIO MODULE
- Communication: Bluetooth Low Energy (BLE)
- Radio frequency: 2,4 GHz
- Power: 2,5 mW (4 dBm)
- Range: up to 100 m (LOS)
- Communication standard: Bluetooth Smart (Bluetooth Low Energy, Bluetooth 4.0)
- Transmission frequency: 1 s
- BATTERY
- Battery: 3,6 V, size AA, capacity 2 700 mAh (replaceable)
- Battery operating time: at least 5 years (measurement interval: 15 min)
- DIMENSIONS
- 27 x 71 x 71 mm
- Weight: 80 g