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: HEPA-style filter: User adjustable 10 LPM to 49 LPM
Bioaerosol filter: User adjustable 50 LPM to 300 LPM
Filter Collection Efficiency: HEPA-style filter: More than 95% for > 0.3 µm diameter
Bioaerosol filter: 50% at 0.5 micron diameter
Filter Media Size: 4.4 cm diameter active filter in 6.0 cm holder.
15.60 x 17.00 x 19.81 cm with handle
15.60 x 14.53 x 19.81 without handle
Device Dimensions: 15.60cm W x 17.04cm D x 19.81cm H
Operating Temperature Range: – 40°C to 70°C
Storage Temperature Range: – 40°C 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-5590A/U primary battery, or
UBI-2590 rechargeable battery, or
100–240 VAC/50–60 Hz lump-in-cord 28 VDC power supply.
Power Consumption: > 24 hrs with primary battery; > 20 hrs with rechargeable battery.
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)
Sound Level: 45-61 dB (A) at 1 meter; peak value at exhaust port.
Package: EMI resistant, water-tight aluminum extrusion.

CBRN International reserves the right to change specifications on any of the devices mentioned without prior notification.