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Acoem Aerocet 532 handheld particle monitor
Handheld mass and count monitor — PM1 to TSP plus 8-channel particle counter

The Acoem Aerocet 532 is a handheld particle monitor that measures both aerosol mass and particle count in one instrument. It simultaneously records PM1, PM2.5, PM4, PM7, PM10 and TSP, with results in as little as 60 seconds, and works as an 8-channel particle counter calibrated from 0.3 to 10 µm. A 2.8" TFT full-colour LCD, rotary scroll wheel and integrated RH & temperature sensor make it suited to workplace and indoor air quality surveys.
Key features
- Mass and count modes in a single handheld
- Simultaneous PM1, PM2.5, PM4, PM7, PM10 and TSP
- 8-channel particle counter (0.3 – 10 µm)
- 2.8" full-colour LCD with menu-driven rotary scroll wheel
- Up to 30 alphanumeric location IDs
- Integrated relative humidity and temperature sensor
- 15,000+ records; COMET software (.CSV export)
- ~8 hours continuous battery life; all-metal rugged package
- USB-C standard; optional docking station adds WiFi, Ethernet and RS-485
- User-programmable K factors for tailored mass conversion
Applications
Indoor air quality monitoring, public and workplace monitoring, industrial and occupational hygiene, QA programmes, schools and HVAC assessments.
| Mass concentrations | PM1, PM2.5, PM4, PM7, PM10 and TSP |
|---|---|
| Mass concentration limit | 0 – 1,000 µg/m³; size sensitivity 0.3 µm |
| Particle count limit | 0 – 3,000,000 particles/ft³ (105,900 particles/L) |
| Particle size channels | 0.3, 0.5, 1.0, 2.5, 4.0, 5.0, 7.0 and 10 µm |
| Sample times | 1, 2, 5, 10, 15, 30 or 60 minutes (mass or count) |
| Flow rate | 0.1 cfm (2.83 L/min) |
| Accuracy | ± 10% to calibration aerosol |
| Display and controls | 2.8" TFT full-colour LCD; 2-button keypad with rotary dial |
| Communications | USB-C; optional dock: RS-485, WiFi and Ethernet |
| Battery | 7.4 V Li-ion; ~8 hours continuous operation |
| Operating conditions | 0 to +50 °C; < 95% RH non-condensing |
| Dimensions and weight | 22.35 × 9.53 × 5.1 cm (without rubber boot); 0.84 kg |
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