Indoor Air Quality Instruments
iAQ-Pro-D
16-Parameter HVAC Duct Mount IAQ Monitor
Real-time monitoring of PM, CO₂, VOC, humidity, temperature, filter pressure drop, and air velocity, directly in the HVAC duct.
ARG Instruments
Continuous IAQ monitoring, directly in the duct.
The iAQ-Pro-D installs directly in HVAC ductwork to continuously measure PM, CO₂, TVOC, humidity, temperature, filter pressure drop, and air velocity, with MCERTS certified PM and 10-year factory-calibrated sensor life.
Built for HVAC Integration
Everything a duct-mount sensor should be.
Designed for HVAC integrators and building automation engineers who need accurate, continuous IAQ data without disrupting existing infrastructure.
MCERTS Certified PM
PM0.5 through PM10, MCERTS certified by the UK Environment Agency. Both mass concentration (μg/m³) and number concentration. Sensor lifetime > 10 years.
Calibration-Free CO₂ & VOC
Non-NDIR CO₂ (400–5000 ppm, ±40 ppm), no calibration required. High-sensitivity VOC with 0.05 ppm detection limit and 10-year sensor lifetime.
Filter & Airflow Monitoring
Differential pressure sensor monitors filter condition for maintenance alerts. Air velocity from 0.1 to 20 m/s. Catch blocked filters before they waste energy.
Zero-Config Networking
Hybrid Power Line + RF, truly plug-and-play, no field wiring configuration. Powered by the ARG G3-PLC Module. Optional factory-installed cellular modem for legacy rooftop units without neutral wiring.
Specifications
| Particulate Matter | PM0.5 (number conc.), PM1.0, PM2.5, PM4, PM10, MCERTS certified; 1–1000 μg/m³; ±10 μg/m³ (0–100) / ±10% (100–1000) |
|---|---|
| CO₂ | Non-NDIR; 400–5000 ppm; ±40 ppm + 5% of reading; calibration-free |
| VOC | 0–1000 ppm ethanol equivalents; LOD < 0.05 ppm; lifetime > 10 years |
| Humidity | ±1.8% RH; 0–100% RH; 6 sec response (τ63%) |
| Temperature | ±0.2 °C; 0–90 °C; 2 sec response (τ63%) |
| Filter Pressure | Differential across duct filter; 0–2000 mbar; ±2 mbar |
| Air Velocity | Differential pressure technique; 0.1–20 m/s; ±0.2% FS |
| Optional Sensors | Current sensors (compressor & blower motor monitoring); UV sensor (duct disinfection monitoring) |
| Connectivity | Hybrid Power Line + RF (zero-config); optional factory-installed cellular (LTE) |
| Power | 80–220 VAC, 50/60 Hz, 2 W; IEC 2-pin power cord included |
| Enclosure | Duct mount; 7.20″ × 4.54″ × 4.12″ |
Applications
Continuous IAQ data where it matters most.
From smart buildings to industrial facilities, the iAQ-Pro-D delivers accurate, actionable HVAC data 24/7.
HVAC System Management
Continuous in-duct data for building automation and preventive maintenance. Filter condition monitoring, airflow verification, HVAC fault detection, and energy efficiency optimization.
Building IAQ Compliance
Real-time data for ASHRAE 62.1, WELL Building, and LEED certification. Building commissioning, healthy building certification, tenant IAQ reporting, continuous compliance logging.
Commercial & Industrial Facilities
Scalable monitoring across large buildings using existing HVAC infrastructure. Multi-zone IAQ monitoring, no new wiring, BMS and cloud dashboard integration, retrofit without disruption.
OEM & System Integration
Hybrid PLC+RF output connects to BMS gateways and building controllers. Configurable reporting intervals, cloud or on-premises dashboard, modular sensor complement.
Frequently Asked
iAQ-Pro-D, FAQ
Common questions about the iAQ-Pro-D duct-mount air quality monitor.
What does the iAQ-Pro-D monitor?
Sixteen parameters in-duct, MCERTS-certified particulate matter, CO2, VOC, humidity, temperature, filter pressure drop, and air velocity.
Does it need new network wiring?
No. It uses hybrid G3-PLC + RF networking over the existing AC wiring, with an optional factory-installed cellular modem, zero-config plug-and-play, no neutral wire required.
How is it powered?
80–220 VAC, 50/60 Hz, via an IEC 2-pin power cord.
What is it used for?
Continuous in-duct IAQ for building automation and preventive maintenance, filter-condition monitoring, airflow verification, HVAC fault detection, and energy optimization.
Ready to deploy iAQ-Pro-D?
Get pricing for single units, volume orders, and OEM HVAC integrations.