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Aerocet 831 Four Channel Handheld Particle Counter

Product SKU: 831

Quick Overview

The ideal surveying, size-selective mass monitor that covers a large range of applications including: filter testing, mining and ore processing, remote sampling, HVAC operations, indoor air quality testing, industrial and occupational hygiene, process control, and point-source location monitoring.


Portable – Dependable – Economical

Five Mass Ranges (PM1, PM2.5, PM4, PM10 and TSP)
Monitors five essential mass ranges simultaneously in one minute.

Handheld Operation

As a handheld device, this particle counter’s portability allows for ease of surveying a range of operations. Plus, at 28 ounces, it’s very lightweight!

Simple Operation

A multifunction rotary scroll wheel with two front-panel buttons lend ease and efficiency to its operation. Access the menu simply by pressing and rotating to scroll.

Sample History 

This counter stores up to 2,500 sample events, which you can easily view on the display screen. Additionally, with the included software you may export data through the USB port. The USB interface is also useful for field firmware upgrades and data downloads.

Battery Powered
Battery power will give you up to 8 hours of continual use and 24 hours of sporadic use. Only 2.5 hours of recharging time. In addition, the counter comes with an AC chargers/adapter, which will operate the device when the battery pack is released.

Availability: In stock



Small – Reliable – Affordable

Five Mass Ranges (PM1, PM2.5, PM4, PM10 and TSP)
A mass monitor that simultaneously provides five important mass ranges in one minute.

Handheld Operation
Survey the environment with this extremely portable, size selective mass monitor. This small lightweight instrument is only 28 ounces and is the perfect survey tool for a wide range of applications.

Simple Operation
Only two front-panel buttons accompany the multifunction rotary scroll wheel to provide simple and efficient operation. Just press and rotate to scroll thru the menu driven platform.

Sample History
View sample history easily on the display or export data via the USB port using the included software. Unit stores up to 2500 sample events. USB interface provides quick data download and field firmware upgrades.

Battery Powered
24 hours of typical intermittent operation and up to 8 hours of continuous use. Recharge time is only 2.5 hours. The included AC charger / adapter operates the counter even when the batter pack is discharged.


  • Industrial Hygiene
  • Occupational Hygiene
  • Point source location monitoring
  • Indoor
    Air Quality
  • Process Control
  • HVAC Applications
  • Filter Testing
  • Mining & Ore Processing
  • Remote Sampling

Additional Information

OPERATING PRINCIPLE Counts individual particles using scattered laser light
PM Range PM1, PM2.5, PM4 and PM10
Concentration Range 0 - 1,000 μg/m3
Resolution 0.1μg/m3 (display / serial output)
Sensitivity High = 0.3 μm, Low = 0.5 μm
Accuracy ± 10%, to calibration aerosol
Flow Rate 0.1 cfm (2.83 lpm)
Sample Duration 1 minute
Data storage 2,500 records
Light Source Laser Diode, 780 nm, 40 mW typical
AC Adapter/Charger AC to DC module, 100 – 240 VAC to 8.4 VDC
Battery Type Li-ion rechargeable Battery
Battery Operating Time 8 hours continuous operation
24 hour intermittent operation
Battery Recharge Time 2.5 hours typical
Communications USB Mini B Type
Certifications Meets or exceeds CE, ISO, ASTM, and JIS international certifications
Display 2-line by 16-character LCD
Controls 2 button keypad with rotary dial
Size Height: 6.25" (15.9 cm) Width: 3.63" (9.22 cm) Thickness: 2.0" (5.08 cm)
Weight 1.74 lb (28 oz) (0.79 kg)
Operating Temperature 0˚ to +50˚C
Storage Temperature -20˚ to +60˚C
Supplied Operation Manual
Battery Charger / Adapter
USB Cable
Comet Software