Description
The sensor is equipped with an external, temperature and humidity probe with a length of 1m, allowing measurements in places where the sensor cannot be placed directly.
Efento NB-IoT sensors transmit the data over cellular network (Narrowband IoT) and do not require any additional devices (router, gateway, etc.). Sensors are also equipped with Bluetooth Low Energy interface, which allows quick and easy configuration with a smartphone. Efento NB-IoT sensors can be integrated with any cloud platform.
- Temperature range: -40 to +125°C, accuracy: up to 0.4°C in the range from 0°C to +70°C, up to 0,5°C in the range -40 to 0°C and up to 0,7°C in the range +70 to +125°C
- Humidity: 0 to 99% RH, accuracy up to 3% in the range of 0 to 90% and up to 4% in the range above 90%
- Sensor is equipped with 1 m long external probe
- 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
- The device stores 40,000 measurements in its memory, when the memory is full, the oldest measurements are overwritten
- Sensor's configuration can be changed remotely from the cloud or with a mobile application over Bluetooth Low Energy
Product Code: EF-IoT-Temp-RH-Ex-sensor
Specifications
| TEMPERATURE SENSOR | Temperature range: -40 to +125°C, Accuracy: up to 0.4°C in the range from 0°C to +70°C, up to 0,5°C in the range -40 to 0°C and up to 0,7°C in the range +70 to +125°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 | Accuracy up to 3% in the range of 0 to 90% and up to 4% in the range above 90% Hysteresis +/-0.8% RH at 25 °C Drift: <0.25% / year |
| 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; Trasnsmission 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 | 124 x 60 x 26 mm Weight: 0,2 kg |
| PROBE | 1 m |
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