Description
Efento NB-IoT wireless carbon dioxide (CO2) logger measures gas concentration and transmit its values over a cellular network (Narrowband IoT). On top of the gas concentration, the logger also measures temperature, humidity and barometric pressure. Sensors are also equipped with Bluetooth Low Energy interface, which allows quick and easy configuration with a smartphone. Efento NB-IoT CO2 sensors can be integrated with any cloud platform.
- CO2: 400 ppm – 5000 ppm, accuracy ±(40 ppm + 5 % of reading)
- Temperature: -15 to +70°C, accuracy: up to 0.4°C
- Humidity: 0 to 99% RH, accuracy up to 4% in the range of 0 to 80%
- Pressure: 300 to 1100 hPa, absolute accuracy +/- 3 hPa at 0 to + 65°C, relative +/- 0.12 hPa at 0 to + 65°C, p = 800 - 900 hPa
- Battery ensures up to 5 years of maintenance-free operation
- NB-IoT sensors send the data over the cellular network to Efento Cloud or any other cloud platform.
- Measurement period: 1 minute – 10 days (configurable by the user)
- User configurable alarm thresholds. If any of the thresholds is exceeded, sensor will send the data to the platform immediately
- Sensor's configuration can be changed remotely from the cloud or with a mobile application over Bluetooth Low Energy
Product Code: EF-IoT-CO2-Sensor
Specifications
| CO2 SENSOR |
400- 5000 ppm Accuracy: ±(40 ppm + 5 % of reading) Measurement interval: 1 minute to 10 days, configurable Memory size: 40 000 measurements |
| TEMPERATURE SENSOR | Range: -15° to 70°C Accuracy up to 0.4°C Resolution: 0.1°C Drift: <0.1°C / year Measurement interval: 1 minute to 10 days, configurable Memory size: 40 000 measurements |
| HUMIDITY SENSOR | Humidity: 0 to 99% RH Accuracy: 4% in the range of 0 to 80% Hysteresis: +/- 1 %RH |
| PRESSURE SENSOR |
Range: 300 to 1100 hPa, Absolute accuracy +/- 3 hPa at 0 to + 65°C, relative +/- 0.12 hPa at 0 to + 65°C, p = 800 – 900 hPa |
| NB-IoT |
NB-IoT bands: Default: B8 and B20 On request: B1/B2/B3/B4/B5/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66 3GPP: Release 13 Power: 23 dBm ±2 dB |
| BLUETOOTH LE |
Communication: Bluetooth Low Energy (BLE) Radio module frequency: 2,4 GHz Power: 2,5 mW (4 dBm) Range: up to 100 m (LOS) Transmision period: 1 s |
| COMMUNICATION | Protocol: CoAP; Transmission interval: 5 minutes – 10 days, configurable |
| SOFTWARE UPDATES | Over the air (with delta mechanism); Over Bluetooth Low Energy |
| POWER SUPPLY | Package of 3 x AA, 6300 mAh (replaceable) Battery operating time: up to 5 years |
| DIMENSIONS |
124x60x26 mm Weight: 0.13 kg |
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