preloader

Research International develops advanced technologies for global counter-terrorism and threat detection—delivering innovative solutions from handheld detectors to large-scale monitoring systems.

Contact Info
17161 Beaton Road SE Monroe, Washington 98272-1034 USA info@resrchintl.com 1-360-805-4930

Air Samplers & Concentrators

High-efficiency wet and dry collection systems for research, public health, and CBRN applications.

SASS 2300 Wetted-Wall Air Sampler

SASS 2300 Wetted-Wall Air Sampler

Maintains constant sample fluid regardless of time or ambient conditions for long-duration, high-reliability monitoring.

Learn more →
SASS 2400 Low-Volume Wet Air Sampler

SASS 2400 Low-Volume Wet Sampler

Lower airflow and sample volume while leveraging the DHS-certified wetted-wall strategy of the SASS platform.

Learn more →
SASS 3100 Dry Air Sampler

SASS 3100 Dry Air Sampler

Portable, high-efficiency dry filter sampler for airborne particulates—ideal for harsh environments.

Learn more →
SASS 3010 Particle Extractor

SASS 3010 Particle Extractor

Transfers particulates from electret filters to small liquid volumes for analysis (typical extraction 60–80%).

Learn more →
SASS 4000 Concentrator

SASS 4000 Concentrator

High-volume aerosol concentrator delivering 4×–15× enrichment; pairs with SASS 2300 or downstream devices.

Learn more →
SASS 4100 Two-Stage Collector

SASS 4100 Two-Stage Collector

SASS 4000-level concentration with integrated filter-based collection in a single system.

Learn more →
SASS 4200 Vehicle-Mount Concentrator

SASS 4200 Vehicle-Mount Concentrator

Vehicular high-volume concentrator (~3600 LPM intake) with low-flow secondary loop routed inside the vehicle.

Learn more →
Tac-7SD Biological Aerosol Detector/Collector

Tac-7SD Biological Aerosol Detector/Collector

Integrated UV bioaerosol detector with 300 LPM electret-filter sampler—tracks background and auto-collects on detection.

Learn more →