Aeroqual AQS1 Air Quality Monitor
Aeroqual AQS1 Air Quality Monitor
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The Aeroqual AQS 1 is a compact, near-reference, real-time air quality monitor for outdoor particulate and gas monitoring projects. Housed in a rugged, weatherproof enclosure with a modular design, it can measure multiple PM size fractions and up to three gas pollutants simultaneously while sending remote, real-time data to Aeroqual monitoring software.
Use the AQS 1 for construction and remediation air monitoring, fenceline and fugitive dust monitoring, industrial site monitoring, landfill monitoring, quarry and mining operations, urban air quality networks, and community air quality studies where defensible real-time data is needed.
What it measures:
- Particulate matter: PM1, PM2.5, PM4, PM10, and TSP
- Gas pollutants: VOCs, O3, NO2, CO, H2S, SO2, and CH4
- Environmental factors: temperature, humidity, noise, barometric pressure, precipitation, solar radiation, wind speed, and wind direction depending on configuration
Key technology:
- Pumped sampling system provides reliable flow to sensor modules and uses built-in filters to help protect gas sensors from airborne dust.
- Automatic Baseline Correction auto-corrects the zero baseline for gas measurement to reduce drift and cross-interference.
- The NO2 module uses an integrated O3 filter to reduce ozone interference.
- The PCX module measures multiple PM size fractions with automatic flow control and an efficient inlet heater to reduce humidity interference.
- PCX Smart Heater and Aeroqual Cloud Power Scheduler features can reduce energy use for off-grid or cold-weather deployments.
- The AQS 1 is factory calibrated using NIST-traceable reference materials.
Common applications include Construction Environmental Management Plans (CEMP), Remediation Community Air Monitoring Plans (CAMP), fenceline and fugitive dust emissions monitoring, landfill monitoring, industrial and occupational hygiene monitoring, HSE monitoring, and urban/community air monitoring networks.
Calibration and service planning: The AQS 1 is delivered with NIST-traceable factory calibration. Aeroqual states that most users can depend on 12-month factory calibration for gas modules. PM engine service intervals depend on the particle module: the AQS 1 Particle Monitor is recommended at 24 months, while the AQS 1 Particle Profiler is recommended at 12 months. Confirm the exact PM and gas module configuration before quoting.
Availability note: RAECO Rents is evaluating customer interest in this product. Request availability and project requirements so our team can confirm configuration, lead time, and whether the AQS 1 is the right fit for your monitoring objective.
Exposure Hazards This Equipment Detects
Particulate Matter (PM₂.₅ / PM₁₀)
Ozone (O₃)
Nitrogen Dioxide (NO₂)
Carbon Monoxide (CO)
Sulfur Dioxide (SO₂)
Hydrogen Sulfide (H₂S)
Methane (CH₄)
Volatile Organic Compounds (VOCs)
Features & Capabilities
| Calibration Certificate Available: | ✓ Yes |
| Datalogging: | ✓ Yes |
| Monitoring Scope: | Area Monitoring |
Equipment Specifications
| Detection Method / Sensor Type: | PCX: 650 nm laser hemispherical-focusing optical particle counter, 1 L/min with active flow control. O3: Gas-sensitive semiconductor (GSS). NO2: Electrochemical with integrated O3 filter and automatic baseline correction. CO: Electrochemical. SO2: Electrochemical with automatic baseline correction. H2S: Electrochemical with automatic baseline correction. VOC: Photoionization detector (PID), calibrated to isobutylene. CH4: Gas-sensitive semiconductor (GSS) |
| Measured Parameters: | Particulate matter (PCX optical particle counter): PM1, PM2.5, PM4, PM10, TSP, Gases (up to three modules): O3, NO2, CO, SO2, H2S, CH4, VOC, Built-in temperature and humidity sensor (PCX), Optional add-on sensors: wind speed and direction, weather, noise, solar radiation |
| Size Fractions Measured: | PM1, PM2.5, PM4 (Respirable), PM10, TSP |
| Particle Size Range: | 0.1 to 40 µm |
| Measurement Range: | Particle range: PCX 0 to 30 mg/m³ (0 to 30000 µg/m³). O3: 0 to 500 ppb. NO2: 0 to 500 ppb. CO: 0 to 25 ppm. VOC (low range): 0 to 500 ppb. VOC (high range): 0 to 30 ppm. H2S: 0 to 5000 ppb. SO2: 0 to 10000 ppb. CH4: 0 to 500 ppm |
| Resolution: | PM: 0.1 µg/m³. O3: 0.1 ppb. NO2: 0.1 ppb. CO: 0.001 ppm. VOC (low range): 0.1 ppb. VOC (high range): 0.01 ppm. H2S: 0.1 ppb. SO2: 0.1 ppb. CH4: 0.01 ppm |
| Accuracy: | PM2.5 (representative): PCX under 5% of reading, precision ±3%, zero stability ±0.1 µg/m³ over 24 hours. Gas precision: O3 and NO2 2% of reading or 2 ppb; CO 3% of reading or 0.05 ppm; VOC 2% of reading or 1 ppb (low range) or 0.05 ppm (high range); H2S 1% of reading or 3 ppb; SO2 0.14% of reading or 2 ppb; CH4 0.4% of reading or 0.06 ppm. Gas linearity (% of full scale): O3, CO and VOC (low range) 1%; NO2 1.5%; VOC (high range) 2%; H2S 0.5%; SO2 0.6%; CH4 under 1% |
| Sampling Modes: | Averaging periods from 1 minute to 24 hours; gas modules update about once per minute |
| Additional Features: | Omni-directional heated PM inlet; inert glass-coated stainless steel and Teflon gas inlet; long-life brushless DC diaphragm pumps; filter-change and pump-wear notifications (PCX); two-way communications for remote calibration, troubleshooting and settings; optional 0-5 V analog input, 4-20 mA input and relay output (PDI Core upgrade); pole, tripod and wall mounting brackets included |
| Calibration Method: | PM auto-zero on start-up and at user-selected intervals. Gas modules can be field calibrated against US EPA protocol gas standards |
| Calibration Standard: | Factory calibrated; gas modules traceable to NIST Standard Reference Materials |
| Recalibration Interval: | PCX particle module: factory calibration every 24 months. Gas modules: as required |
| Connectivity: | WiFi, Ethernet (LAN), Optional 4G LTE cellular modem, Aeroqual Cloud air monitoring software |
| Optional Sensors: | Gill WindSonic ultrasonic wind sensor, Vaisala WXT536 weather transmitter, Cirrus MK427 Class 1 noise sensor, NovaLynx pyranometer (solar radiation), Airmar 200WX weather station |
| Operating Temperature Range: | 14°F to 113°F (-10°C to 45°C); low-temperature operation extendable with a winterization pack |
| Protection Class: | Lockable IP65 GRP cabinet with integrated aluminum solar shield |
| Data Storage Capacity: | On-board storage for more than 5 years of data |
| Battery Run Time: | No internal battery. Runs on AC power (100 to 260 VAC) or an external 9 to 36 VDC battery/solar supply |
| Power Supply: | 100 to 260 VAC, or 9 to 36 VDC battery/solar; 15 to 30 W maximum steady state depending on configuration |
| Size / Weight: | 685 x 330 x 187 mm (27 x 13 x 7-3/8 in) including PM inlet; under 13 kg (28.6 lb) depending on configuration |
| Regulatory Certifications: | EC Directives 2014/30/EU and 2014/35/EU, FCC 47 CFR Part 15, RoHS 3 (EU 2015/863), REACH |
| Compliance Standards: | MCERTS certified for PM10 (AQS 1 PCX), South Coast AQMD Rule 1466 approved (AQS 1 PCX), Configuration-specific — confirm certifications for the exact gas module build before quoting |
| Intended Use: | Construction and remediation air monitoring, fenceline and fugitive dust monitoring, industrial site and landfill monitoring, quarry and mining operations, ports and bulk handling terminals, oil and gas facilities, wastewater treatment plants, and community air quality studies. Common programme types include Construction Environmental Management Plans (CEMP) and Remediation Community Air Monitoring Plans (CAMP) |
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