Developed by the National Institute for Occupational Safety and Health (NIOSH) and manufactured by Tisch Environmental, the TE-BC251 is a wearable multi-stage bio-aerosol collector used for the collection of airborne viruses including INFLUENZA and COVID-19. This high quality, low cost cyclone is well suited for quick deployment to respond to the current rapidly evolving climate. The multi stage cyclone is designed to trap bio-aerosols in one of three compartments for accurate retrieval of samples at multiple cut points.
Each sampler comes with the following:
(1) BC251 Cyclone
(1) Heavy Duty Carrying Case
(2) Falcon™ 15 mL Conical Centrifuge Tubes
(2) Fisherbrand™ Nonsterile Threaded End Microcentrifuge Tube without Caps
(2) Fisherbrand™ Colored Screw Caps
(1) Jar of O-ring grease
(10) TE-BC251-5 EPDM O-Ring, 1/16 Width Dash Number 027
(1) Filter Cassette
| flow rate (lpm) | 1st stage 50% cut-off size (um) | 1st stage sharpness (geometric standard deviation) | 2nd stage 50% cut-off size (um) | 2nd stage sharpness (geometric standard deviation) |
|---|---|---|---|---|
| 2 | 4.9 | 1.48 | 1.7 | 1.68 |
| 3.5 | 4.1 | 1.51 | 1.0 | 1.59 |
| 10 | 2.1 | 1.44 | 0.41 | 1.56 |
