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Product Details
HFI impactors are available with 3, 4, 5 or 6 stages in the 0.25 to 10 µm aerodynamic size range. Particle deposits are collected on 75-mm substrates which can be analyzed for mass, or via chemical analysis or microscopy.
| Model | Stages | Nominal Cut Points (µm) @ 100 L/min inlet flow rate | Pressure Drop (kPa) | Comment |
|---|---|---|---|---|
| 128 | 3 | 10, 2.5, and 1.0 | 0.6 | End of life effective Dec 31, 2024 |
| 129 | 4 | 10, 2.5, 1.0, and 0.25 | 5 | End of life effective Dec 31, 2024 |
| 130A & 130B | 5 | 2.5, 1.4, 0.77, 0.44 and 0.25 | 6 | End of life effective Dec 31, 2024 |
| 131A | 6 | 10, 2.5, 1.4, 0.77, 0.44 and 0.25 | 6 | End of life effective Dec 31, 2024 |
| 131B | 6 | 10, 2.5, 1.4, 0.77, 0.44 and 0.25 | 6 | Remains available |
Applications
- Atmospheric aerosol sampling for size distribution and compositional analyses
- Workplace aerosol analysis
- Industrial hygiene studies
- Biological aerosol characterization
Features and Benefits
- 100 L/min sampling flow rate
- Sharp cut-off size characteristics
- Micro-orifice nozzle plates designed for low flow resistance (under 6 kPa) and reduced particle bounce and re-entrainment
- Up to 6 impactor stages with nominal cut points between 250 nm and 10 µm, plus a final filter (90 mm)
- 75-mm impaction substrates designed to deposit particles in four separate quadrants for easy substrate division
- Low inter-stage losses
- Easily removable collection substrates allow for quick turn-around time for productive use of the instrument
- Impactor is made of anodized aluminum for light weight, durability and nozzle dimensional stability
- Light weight, compact design
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