Met One Aerocet 831 Particle Counter


Met One Aerocet 831 Particle Counter

iScientific offers Met One Aerocet 831 Particle Counter for sale and rental in Singapore.

Met One Aerocet 831 Particle Counter 

Small – Reliable – Affordable


  • Operation Manual
  • Battery Charger / Adapter USB Cable
  • Comet Software
  • Met One Instruments, Inc., 80846 Zero Filter Kit
  • Met One Instruments, Inc., 8517 Carrying case
  • Met One Instruments, Inc., 80450 Protective Boot

Five Mass Ranges (PM1, PM2.5, PM4, PM10 and TSP)

Met One Aerocet 831 Particle Counter 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

Met One Aerocet 831 Particle Counter Specification

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 0.1 μg/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