Multi-Stage Cascade Impactor
Multi-Stage Cascade Impactor designed for precise analysis of aerodynamic properties of inhaled fine particles, this advanced system includes a smart pump, pressure detector, cascade impactor, pre-separator (DPI), artificial larynx, and essential accessories. It meets the instrument qualification standards outlined in USP, Ph. Eur., and ChP 2020 for aerodynamic particle assessment.
- Contains 7-stage impactors and a micro-orifice collector (MOC). The design allows easy access to collect samples from collection cups and prepare for the next test.
- Features 8 removable collection cups for effortless cleaning and replacement.
- Suitable for testing MDI, spray, and nebulizer devices. DPI testing can be conducted with a pre-separator that efficiently removes coarse particles of 10-15 microns.
- The collection cup serves as the impact surface, placed on a tray directly beneath the nozzles to facilitate sampling.
| Stage | Nozzle Diameter (mm) | Cutting Diameter (μm) | |||
|---|---|---|---|---|---|
| 15L/min | 3OL/min | 60L/min | 100L/min | ||
| Stage 1 | 14.30±0.05 | 14.10 | 11.76 | 8.06 | 6.12 |
| Stage 2 | 4.88±0.04 | 8.61 | 6.40 | 4.46 | 3.42 |
| Stage 3 | 2.185±0.02 | 5.39 | 3.99 | 2.82 | 2.18 |
| Stage 4 | 1.207±0.01 | 3.30 | 2.30 | 1.66 | 1.31 |
| Stage 5 | 0.608±0.01 | 2.08 | 1.36 | 0.94 | 0.72 |
| Stage 6 | 0.323±0.01 | 1.36 | 0.83 | 0.55 | 0.40 |
| Stage 7 | 0.206±0.01 | 0.98 | 0.54 | 0.34 | 0.24 |
| Micro-orifice collection (MOC) | about 0.070 | 0.70 | 0.36 | 0.14 | 0.07 |
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