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DDU and APSD Testing

of DPIs and Breath-actuated MDIs

Precision You Can Trust in Inhaler Testing

Regulatory-Ready. Highly Accurate. Easy to Use.

TPK™ 100i Critical Flow Controller
Achieve precise and repeatable flow control for your inhaler testing with the TPK100i Critical Flow Controller from MSP™, a Division of TSI®. Designed to meet USP <601> and <602> requirements, the TPK100i ensures consistent flow conditions for Aerodynamic Particle Size Distribution (APSD) and Delivered Dose Uniformity (DDU) measurements.
 

Why Choose the TPK100i?

  • Accurate & Repeatable Flow Control
    Maintains critical flow conditions for NGI, ACI, and DDU testing
  • USP <601> & <602> Compliance
    Meets global regulatory standards for inhalation drug testing
  • Intuitive Touchscreen Interface
    Simplifies test setup and operation with real-time data display
  • Automatic Leak & Flow Checks
    Reduces errors and ensures test reliability with built-in system diagnostics
  • Seamless Lab Integration
    Works with all major cascade impactors and inhaler test setups
 

Unmatched Precision for APSD & DDU Testing

  • Ensures Stable Test Conditions – No manual flow adjustments for consistent results.
  • Minimizes Variability & Error – Automated flow control ensures reliability.
  • Optimized for Research & QC Labs – Improves efficiency in both R&D and regulatory testing.
 

Simplify Your Workflow with the TPK100i Critical Flow Controller!
Contact Us Today!