SASS® 3100

Dry Air Sampler for Biological or Radiological Applications

SASS 3100 Dry Air Sampler

The SASS® 3100 Smart Air Sampler System is a compact, rugged microprocessor-controlled portable air sampler designed for use with state-of-the-art electret filter media. It is highly suited to the collection of biological and radioactive aerosols. In independent tests performed by third parties, it has out-performed all competitors in terms of collection efficiency and suitability.

World Class Sampling Performance

  • Features
  • Applications
  • Specifications


Product Features

  • ISO 14698-1 compliant
  • Collection periods may be days in length
  • Useable from -40°C to 70°C: no fluids
  • High efficiency for sub-micron size pathogens
  • Adjustable air flow (biological sampling): 50-300 LPM
  • Adjustable air flow (radiological sampling): 10-49 LPM
  • User-specified automated protocols
  • Wireless control option
  • Long-life primary and rechargeable battery options
  • Easy decontamination, including fan rotor
  • Compact and lightweight



  • UAV's (Unmanned Aerial Vehicles)
  • Agriculture
  • Indoor air quality
  • Environmental
  • Homeland security



Operating principle: Collection by electret dry filter media.
Air collection rate: Bioaerosol electret filter: User adjustable 50 LPM to 300 LPM.
HEPA-style electret filter (radiological): User adjustable 10 LPM to 49 LPM.
Filter media size : 4.4 cm active diameter filter, mounted in 6.0 cm diameter injection-molded holder.
Filter mass and composition: Bioaerosol electret filter: 12 mg/cm2
HEPA-style electret filter (radiological): 2.2 mg/cm2 for active media; 8.6 mg/cm2 including backing scrim
Both filters are composed of polypropylene electret microfiber.
Device dimensions : 15.60cm W x 17.04cm D x 19.81cm H
Operating temp. range: -40° to 70°C
Storage temp. range: -40° to 70°C
Humidity range: All-weather. Optional rain shield prevents wetting of filter during rainy conditions.
Decontamination: Water-tight design allows decontamination with 1 to 5% bleach solution. Fan shell and motor/rotor assembly may be removed for decontamination.
Drive fan: High efficiency centrifugal fan with electronically commutated drive motor. Fan life is 30,000-40,000 operating hours.
Weight: 2.0 kg (3 lb 15 oz); add 1 kg for battery.
Power source: BA-5590/U primary battery, UBI 2590 rechargeable battery, or 100–240 VAC/50–60 Hz lump-in-cord 28 VDC power supply.
Operating time on battery: Standby:      BA-5590/U Primary battery: >8 days.    UBI-2590 rechargeable battery: >10 days.
Sampling:    BA-5590/U Primary battery: >20 hrs.     UBI-2590 rechargeable battery: >24 hrs.
System controls: Microprocessor controlled. RS232 or optional wireless link for remote operation or reprogramming. Dimmable LEDs monitor for battery end-of-life and fan rotation.
Communications: RS232. RF links optional.
Connectors: Standard: DB-9. Optional: Military CCSI (additional cost).
Sound Level: 45-61 dB (A) at 1 meter; peak value at exhaust port.
Package: EMI-resistant, water tight extruded aluminum case.