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Parabolic Resistor Ring

Parabolic Resistor Ring

  • A  set of 7 switch-selectable calibrated respiratory resistance orifices (Rp5-Rp500) integrated into a 4″ diameter ring.

    Intended Use

    Ventilator testing to ISO 10651 and ASTM F1100

    Simulation, respiratory education

    • Precision laser-cut orifices 
Rp5, 10, 20, 50, 100, 200, 500
    • No need to disconnect tubing to change resistances
    • Individual resistors cannot be misplaced
    • Calibration certificate available for standards testing
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