Indoor Air Quality Multi-Sensor

Rx-IAQ-R1

IAQ sensor that combines Particulate Matter, Total Volatile Organic Compounds, Nitrous Oxides, CO₂, temperature, humidity, and other air quality parameters in one compact device.

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Rx-IAQ-R1

Multi-parameter IAQ Monitoring

CO₂, temperature, and humidity measurements combined in one compact sensor.

Key Features

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The essential engineering capabilities that make the Rx-IAQ-R1 accurate, stable, and BMS-ready.

Auto-calibrating NDIR CO₂

Automatic Baseline Correction (ABC) keeps readings accurate over long-term operation.

Environmental Compensation

Built-in temperature and humidity compensation enhances CO₂ stability across varying conditions.

BMS-ready Integration

Supports 0–10 V, 4–20 mA, or Modbus RS-485 outputs for seamless controller integration.

Detailed Engineering Features

Accurate CO₂ Measurement

The Rx-IAQ-R1 uses non-dispersive infrared (NDIR) CO₂ measurement, a method known for reliability in long-term building deployments. With a typical measurement range of 400–5000 ppm, the sensor provides accurate real-time CO₂ data essential for ventilation control and IAQ analytics.

Temperature & Humidity Compensation

CO₂ readings naturally vary with temperature and humidity. The IAQ-R1 integrates high-precision T/RH sensors and uses them to compensate CO₂ measurements internally. This ensures stability in environments with shifting indoor climate conditions.

Long-Term Drift Correction

Internal algorithms track gradual sensor drift and correct it using reference baselines. Combined with periodic Automatic Baseline Correction (ABC), the device maintains dependable CO₂ accuracy without manual recalibration.

Flexible Integration for Any BMS

The IAQ-R1 supports legacy analog outputs (0–10 V or 4–20 mA) alongside digital Modbus RS-485. This makes it compatible with modern controllers, existing automation systems, and mixed-technology retrofit projects.