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Next Generation Pharmaceutical Impactor

Model 170 NGI - Request a Quote

The Model 170 Next Generation Pharmaceutical Impactor (NGI) is a high-performance, precision, particle-classifying cascade impactor for testing metered-dose, dry-powder, and similar inhaler devices.

MSP developed this impactor in conjunction with a 15-member consortium of pharmaceutical companies (Next Generation Impactor Consortium). Substantial user-involvement in the design process has resulted in a combination of aerodynamic design principles and user-friendly operation.

A removable set of collection cups minimizes the time between inhaler tests. Other time-saving features include the absence of a final filter and of inlet O-rings.

The NGI has been tested by 15 pharmaceutical companies in the Next Generation Impactor Consortium.

Applications

  • Development of metered-dose or dry-powder inhalers
  • QA/QC testing of commercial inhaler products
Next Generation Impactor
Next Generation Impactor with Induction Port and Pre-Separator
Next Generation Impactor
Next Generation Impactor - Showing Nozzles and Cup Tray

Features

  • Designed for productivity
  • Hinged lid that is easy to open
  • Easy to recover samples from cups
  • Easy to prepare for next test
  • Removable set of collection cups
  • Micro-orifice collector in place of final filter
  • O-ring free inlet
  • Electrically conductive and corrosion-resistant
  • Functions over wide flow range (30 L/min to 100 L/min)
  • Incorporates state-of-the-art aerodynamic principles
  • Meets USP System Suitability standards
  • Sizes particles between 0.23 µm and 11 µm depending on the flowrate
  • Seven stages: at lease five with D50 values between 0.5 µm and 6.5 µm at all flow rates
  • Calibrated with particles at 60 L/min flow rate
  • Low internal particles losses; minimal washing between tests

Next Generation Impactor Characteristics

Stage 1 2 3 4 5 6 7
D50 Diameter, µm, at flow rate              
30 L/min** 11.70 6.40 3.99 2.30 1.36 0.83 0.54
60 L/min* 8.06 4.46 2.82 1.66 0.94 0.55 0.34
100 L/min** 6.12 3.42 2.18 1.31 0.72 0.40 0.24
* Archival calibration; **Calculated

ACCESSORIES

  • Automated Rinsers
  • USP Inlet
  • Pre-Separator
  • Vacuum Pump
  • Flow Meter
  • Timed Flow Controller
  • Filter Holder
  • Leak Tester

Specifications

Flow Rate 30 L/min to 100 L/min air flow
Particle size fractionation range 0.23µm to 11 µm
Weight 9 Kg