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- SKU: 08805
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Seeed Studio RS485 Oxygen Concentration O₂ Sensor: Modbus RTU, Indoor Oxygen Concentration Detection, Oxygen Partial Pressure, Temperature and Barometric Pressure Monitoring.
The RS485 Oxygen Concentration Sensor uses luminescence-quenching optical technology to measure ambient oxygen partial pressure, oxygen concentration, temperature, and barometric pressure. For easy system integration, it supports RS485 Modbus RTU communication. Its compact IP50 wall-mounted enclosure incorporates an SST® O₂ sensing element with a service life of more than two years, ensuring high accuracy and excellent stability. Meanwhile, the low-power 9–28 V DC operation, together with reverse-polarity, surge, TVS, and ESD protection, enhances reliability during long-term use. With these features, the sensor is well suited for scientific research, HVAC and ventilation control, routine weather monitoring, and environmental monitoring.
User Manual / Datasheet / Example Codes Etc.
Specifications
- Sensor Description: RS485 Oxygen Concentration O2 Sensor
- Output Interface: RS485, Modbus-RTU
- Default Serial Communication
- Slave address: 1;
- baud rate: 9600 bps;
- data bits: 8;
- stop bits: 1;
- Power Supply: 9-28 V DC
- Power Consumption
- Average Current: <10mA @12V DC
- Measuring Current : <20mA @12V DC, measurement interval 1000ms
- Operating Temperature: 10-45°C
- Operating Humidity: 0-95%RH,, non-condensing
- IP Rating: IP50
- Cable Length: 2 meters
- Installation: Wall mounting
- Dimensions: Sensor body: 111 * 25.5 mm (Length * Diameter)
- Oxygen Partial Pressure
- Range: 0-300 mbar
- Accuracy: <2% FS
- Resolution: 0.1 mbar
- Oxygen Concentration
- Range: 0-25%
- Accuracy: Determined by the accuracy of oxygen partial pressure and barometric pressure
- Resolution: 0.01%
- Temperature Measurement
- Range: -10-60°C
- Accuracy: ±2°C
- Resolution: 0.1°C
- Barometric Pressure Measurement
- Range: 500-1200 mbar
- Accuracy: ±5 mbar
- Resolution: 1 mbar
Applications
- Science research
- HVAC and Ventilation Systems
- Home and Industrial Environmental Monitoring
- Indoor Plant Growth Room Monitoring
Package includes
- 1x Oxygen Concentration Sensor
- 1x Mounting Bracket
- 1x Plastic Screw
- 1x Metal Screw
