Indoor Air Monitoring
« Indoor Air Monitoring Aerocet 831 Handheld Particle Counter

Aerocet 831 Handheld Particle Counter

The Aerocet 831 is a completely portable, full–featured, battery operated, handheld mass monitor. A mass monitor that simultaneously provides five important mass ranges (PM1, PM2.5, PM4, PM10 & TSP) in one minute from start up. Survey the environment with this easy to use, extremely portable, size selective mass monitor. This small lightweight instrument, 28 ounces, is the perfect tool for a wide range of assessment applications.


Met One Instruments’ Aerocet 831 is simple to operate with two front-panel buttons used with the multifunction rotary scroll wheel to provide user friendly and efficient operation. Just press and rotate to scroll thru the menu driven platform. With the Aerocet 831 one can view sample history easily on the display or export data via the USB port using the included COMET software. The 831 stores up to 2500 sample events. The USB interface provides quick data downloads and field firmware upgrades. The Aerocet 831 provides up to 24 hours of typical intermittent operation or 8 hours of continuous use. Recharge time is only 2.5 hours. The included AC charger / adapter operates the counter even when the battery pack is discharged.


  • Five Mass Ranges (PM1, PM2.5, PM4, PM10 & TSP)
  • Handheld Operation
  • Sample History
  • Low Cost w/ Data Logging
  • Battery Powered
  • 1-Year Warranty


  • Industrial/Occupational Hygiene
  • Point Source Location Monitoring
  • Indoor/Outdoor Air Quality
  • Process Control
  • HVAC Applications
  • Filter Testing
  • Mining & Ore Processing
  • Remote Sampling


Operation Manual
Battery Charger / Adapter
USB Cable
Comet Software
NIST Certificate of Calibration


Carrying Case (P/N 8517)
Protective Boot (P/N 80450)
Zero Filter Kit (P/N 80846)
Flow Meter Kit (P/N 80530)

Specifications are subject to change at any time

1800 Washington Bivd

Grants Pass, OR 97526

Phone: 541-471-7111

Fax: 541-471-7116



Copyright 2017 Met One Instruments, Inc. | All rights reserved | Design: Oslund Design | Development: Pure Blue | Hosting: Ambient I.T.