This document discusses several types of flow measurement devices used in medical applications including vertical flow tubes, rotameters, positive displacement meters, and pneumotachs which measure airflow using principles such as differential pressure and velocity. Tandem flow tubes and specific models of rotameters like the Ohmeda SE are also mentioned.

1. PENGUKURAN ALIRAN

5. Vertical Flow Tube

6. How a Vertical Flow Tube
Works

7. Tandem Flow Tubes

8. Rotameter

9. Positive Displacement-
Narcomed

10. Rotameter- Ohmeda SE

11. Pneumotach

12. Pitot Tube Principles