Zefon NRD Sampler :: Size Selective Samplers :: Sampling Medias & Cassettes :: Zefon International, Inc.

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Zefon International, Inc. :: Sampling Medias & Cassettes :: Size Selective Samplers :: Zefon NRD Sampler

Zefon NRD Sampler  
Zefon NRD Sampler 
Printable version

The Zefon Personal Nanoparticle Respiratory Deposition (NRD) sampler is designed to size-selectively collect nanoparticles with an efficiency that matches their deposition in the respiratory tract system.

  • Designed to collect particles that mimic those collected in the respiratory tract (<300nm).
  • Lightweight, easily worn by a worker
  • Chemical analysis allows the exposure assessment of nanoparticle of a specific composition apart from other airborne particles.
  • Uses a personal sampling pump.
  • Disposable – ready to use. Sampler does not require preloading or cleaning (cyclones used with the sampler are reused and cleaned, the NRD sampler itself is disposable).
  • Cost effective lab analysis (vs electron microscopy)

How it works:
Stage 1 – A respirable aluminum cyclone (Zefon #ZA0075) at a flow rate of 2.5 LPM is used to remove particles larger than 4µm in size.

Stage 2 – Air passes through an impaction stage where particles larger than 300nm are removed using an impaction plate.

Stage 3 – Air passes through a diffusion stage consisting of a series of Nylon filters, collecting particles <300nm with an efficiency designed to match the efficiency at which particles deposit in the respiratory tract.

Note: Aluminum cyclone sold separately.
Required Flow Rate: 2.5 LPM
Collection Efficiency
<300nm with an efficiency designed to match the efficiency at which particles deposit in the respiratory tract.
Cut-Point (cyclone stage): 4µm
Cut Point (impaction stage): 300nm
Filter Material (diffusion stage): Nylon
Cassette Housing Material: Carbon Filled Polypropylene
Weight (without cyclone): 10 g

Zefon Product Information

NRD Sampler Instructions for Use
The Zefon NRD Sampler
The Zefon NRD Sampler Sales Flyer

Additional Information Available

1. A Personal Nanoparticle Respiratory Deposition (NRD) Sampler
Lorenzo G. Cena, T. Renée Anthony, and Thomas M. Peters, Environmental Science & Technology 2011 45 (15), 6483-6490

2. International Commission on Radiological Protection (ICRP).
Human Respiratory Tract Model for Radiological Protection, Publication 66; Elsevier Science, Ltd.: Oxford, U.K, 1994.

3. NIOSH Current Intelligence Bulletin #63
Occupational Exposure to Titanium Dioxide

4. Niosh Nanotechnology Information

5. NIOSH Nanotechnology FAQ

6. Nanoparticles: An occupational hygiene review

7. Approaches to Safe Nanotechnology: Managing the Health and Safety Concerns Associated with Engineered Nanomaterials DHHS (NIOSH) Publication 2009-125

Patent Pending

Manufacturer Zefon International
Product # ZNRD001
Shipping Weight 0.75 lbs
U/M Each
Stock Status Normally ships within 24 Hours
Zefon Price: $26.50


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All products and prices posted are valid for sale in the USA only
If you are not from the USA, CLICK HERE to locate
an Authorized Zefon Distributor in your area.

Accessories & Related Products  

Zefon Universal Cassette and Cyclone Holder


Cassette Opener


Zefon Aluminum Cyclone for Respirable Dust

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