The Aethalometer AE‑36s builds on the legacy AE‑36 by adding two UV channels (340 nm and 400 nm) for superior Brown Carbon detection and spectral resolution.
Data are collected at 1 Hz (1 second) timebase—aggregatable to 1‑minute or longer intervals—for unparalleled temporal detail. DualSpot™ technology ensures that measurements remain continuous and accurate through filter loading cycles.
A self-cleaning optical chamber and extended filter tape allow operation for up to a year with minimal intervention. Combined with Automatic Data Validation and BC Index metrics, it delivers research-grade reliability in diverse environmental conditions.
AE‑36s integrates seamlessly with TCA08 or CASS systems for full OC/EC/BC speciation (TC/BC(λ) method).
Data sheets and specifications are subject to change, and Enviro Technology cannot be held responsible for inaccuracies in manufacturer-issued data sheets. To confirm specifications and obtain the latest issue of the data sheet, please contact us.
Datasheets
Measurement Principle
Aerodynamic aerosol-laden air is drawn through PTFE/glass-fiber filter tape at controlled flow rates. Light absorption is measured across nine wavelengths from 340–950 nm. DualSpot™ compensation corrects for filter loading in real time. Source apportionment algorithms quantify fossil fuel, biomass, and brown carbon contributions.
Specifications
- Wavelengths: UV to IR (340, 370, 400, 470, 520, 590, 660, 880, 950 nm)
- Time resolution: 1 Hz (1 s), with post-processing to 1 min or longer
- Detection limit: <0.001 µg/m³ (1 hr); sensitivity <10 ng/m³ @ 1 min flow 5 LPM
- Precision & uncertainty: <10% (±27% BC; ±30% source apportionment)
- Sample flow: 2–5 LPM, internal dual mass-flow sensors, closed-loop control
- Self-cleaning: Automated optical-chamber cleaning extends maintenance intervals; ~2× longer filter tape operations
- GUI/display: Intuitive touchscreen with graphical time-series, pollution‑rose, BC Index, QA/QC panels
- Output & storage: Data via Ethernet, RS‑232, USB; built-in auto-validation logic, long-term storage (years)
- Quality assurance tools: Neutral density filters, clean-air and leakage tests, flow/tape calibrations
- Dimensions: ~27 × 43 × 32 cm; weight ~17.5 kg; power 100‑230 VAC, ~30 W; dual diaphragm vacuum pump
- Operating conditions: 5–55 °C, 5–95% RH non‑condensing; altitude to 3000 m (extendable to 5000 m with external pump)
