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 Portable Aerosol Mobility Spectrometer (PAMS)

Specification Sheet (PDF)

 
   
PAMS is an electrical mobility size spectrometer designed for portable, mobile, or handheld aerosol sampling applications. It provides the number-weighted diameter distribution of aerosols over the entire submicrometer range (10 to 863nm) in one scan. The unit uses a nonradioactive bipolar aerosol charger to allow easy access to sampling sites with tight safety regulations. Its bipolar charger significantly reduces measurement uncertainty of larger particles in the submicrometer range.

Applications
  • Personal Nanoparticle/Aerosol Exposure Measurement
  • Workplace protection factor measurement of respirators
  • Atmospheric process studies
  • Air pollution and air quality measurements
  • Combustion and engine exhaust emission measurements
  • Filtration studies
  • Inhalation toxicology studies
  • Indoor air quality studies

Features and Benefits
  • Electrical mobility size spectrometer designed for portable, mobile, or handheld aerosol sampling applications
  • Provides number-weighted diameter distribution of aerosols over the entire submicrometer range (10 to 863nm) in one scan
  • Uses a non-radioactive bipolar aerosol charger to allow easy access to sampling sites with tight safety regulations
  • Bipolar charger significantly reduces measurement uncertainty of larger particles in the submicrometer range
  • Can be used in two modes: Single diameter count mode: to get a total count within a narrow size range or Size distribution mode: to get an automated size distribution measurement over desired size range or size resolution
  • Stand-alone, battery-operated instrument; no external computer needed.
  • Weighs only 4.5 kg and measures 23 x 23 x 15 cm.

Specifications
Measuring Modes
Single size mode (single size concentration)
Scan mode (size distributions)
Size Range
0.2LPM: 14.5 to 863 nm
0.4LPM: 10 to 433 nm
Scan Resolution
0.2LPM: 14 channels
0.4LPM: 27 channels
Scan Time
0.2LPM: 42 sec to minutes for one scan
0.4LPM: 81 sec to minutes for one scan
Concentration Range
0 to 100,000 particles /cm3
Flow Rate
Inlet: 0.7 LPM
Sample: 0.05 LPM
Bipolar Charger
Dual corona charger at 5 μA
Condensing Fluid
Isopropyl alcohol
Display
Color touchscreen
Dimensions (WHD)
9.1 x 9.1 x 5.9 inch (23 cm x 23 cm x 15 cm)
Weight
9.9 lbs (4.5 kg )



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