Bluetooth Low Energy

Wireless hydrogen sulfide (H2S) logger

Wireless hydrogen sulfide (H2S) logger measures and transmit gas concentration over Bluetooth Low Energy. On top of the the concentration, the sensor measures also 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: 0-100 ppm
  • 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% 
  • 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
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Check it yourself. The starter kit includes all you need to test Efento wireless sensors and Efento Cloud platform:
- Efento Gateway
- Bluetooth Low Energy temperature and humidity sensor
- Efento Cloud access
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Newsletter July 2024

Efento Cloud update
The latest Efento Cloud update brought a bunch of new features including phone call notifications, alert notifications repeat, calibration certificates storage and calibration reminder, measurement point archiving and history of each resource in the audit trails.
How to use 4-20 mA sensors?
Check out our latest article that explains how to connect a 4-20 mA probe to Efento NB-IoT sensor, how to configure it and set the conversion formula on Efento Cloud.
Rainfall measurements
Learn how the Efento NB-IoT pulse counter is used together with a precipitation sensor in order to build a cost effective, cloud connected udometer.
Bluetooth LE - LTE gateway
We are finalizing the development of BLE - LTE gateway. The device will work with Efento Cloud and any third party cloud / server application and provide cellular connectivity to all Efento’s Bluetooth Low Energy sensors. The device will be available in September 2024.
The Mean Kinetic Temperature (MKT)
Learn how Mean Kinetic Temperature is used to evaluate the effects of temperature changes on the vaccines or drugs quality.

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