bVOC, short for breath-VOC equivalent, is a calculated air-quality output expressed as an ethanol-equivalent concentration. It is derived by a metal-oxide (MOX) gas-sensing element together with an onboard algorithm, and it typically appears as one of several outputs from an indoor air-quality module rather than as a standalone measurement.
A LoRaWAN bVOC device samples its gas sensor at a configurable interval, packs the result into a small uplink payload, and sends it to a gateway for forwarding to a network server, where a payload codec decodes the bytes. Because LoRaWAN is low-power and long-range, sensors can run for long periods on battery while covering large indoor spaces.
Typical applications include office, classroom, and residential air-quality monitoring and ventilation control. When comparing devices, consider:
- Reporting interval and sensor warm-up behavior
- Battery life and power source
- Enclosure rating for the deployment environment
- Supported regional frequency plans
- Availability of a decoded payload codec and companion outputs like TVOC, IAQ, CO2, temperature, and humidity
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Manufacturers with the most bvoc devices in the catalog.
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Frequently asked questions
What does a LoRaWAN bVOC sensor measure?
It outputs a breath-VOC equivalent estimate, typically expressed as an ethanol-equivalent value, derived by an onboard metal-oxide gas sensor and its algorithm. bVOC is usually reported alongside related air-quality outputs such as TVOC, an IAQ index, CO2 equivalent, temperature, and humidity.
How does a bVOC sensor send data over LoRaWAN?
The device samples its gas-sensing element on a fixed interval, encodes the estimate into a compact uplink payload, and transmits it to a LoRaWAN gateway. A payload codec on the network server decodes the bytes into readable values. Reporting intervals are configurable to balance data resolution against battery life.
Where are LoRaWAN bVOC sensors used?
They support indoor air-quality monitoring in offices, classrooms, and homes, and feed building management and ventilation control systems where occupant comfort and air freshness matter.