Portable & field testing
Published over 12 years ago. See the latest and most current information on Portable & field testing.
Four Mass Ranges - PM1, PM2.5, PM4, PM10
A mass monitor that simultaneously provides data of four 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 through 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 eight 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.
Supplied with Operation Manual, Battery Charger/Adapter, USB Cable and Comet Software. Options include Carrying Case, Protective Boot, Zero Filter Kit and Flow Meter Kit.
Certifications
Meets or exceeds CE, ISO, ASTM, and JIS international certifications
Applications
For more information about the Met One Model 831 Four Channel Aerosol Mass Monitor please click here.
For the complete particle counter product line, descriptions and specifications please click here.
IET 36.2 Mar/Apr 2026