The NO₂ Air Quality Sensor (RS485 Modbus) is designed for precise detection of Nitrogen Dioxide gas concentrations in ambient air. Using advanced electrochemical sensing technology, it offers high accuracy, long-term stability, and low cross-sensitivity to other gases. With RS485 Modbus RTU communication, the sensor ensures reliable, long-distance data transmission, making it ideal for air quality monitoring systems, industrial safety, and environmental research.
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Gas Detected: Nitrogen Dioxide (NO₂)
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Measurement Range: 0–20 ppm (customizable ranges available)
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Resolution: 0.01 ppm
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Accuracy: ±3% FS
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Sensor Type: Electrochemical
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Output Interface: RS485 Modbus RTU
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Response Time (T90): ≤30 seconds
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Operating Voltage: 9–24V DC
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Power Consumption: <0.5W
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Operating Temperature: -20°C to +50°C
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Humidity Range: 15–90% RH (non-condensing)
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Lifespan: ≥2 years in clean air
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