Evaluation of Three Types of Respiratory Flowmeters
- 1 March 1957
- journal article
- research article
- Published by American Physiological Society in Journal of Applied Physiology
- Vol. 10 (2) , 210-214
- https://doi.org/10.1152/jappl.1957.10.2.210
Abstract
The physical properties of three types of respiratory flowmeters were evaluated and discussed. The three types of meters studied had flow resistive elements consisting of concentric cylinders (meter A), of 2–325/in. screens (meter B) and of parallel vertical plates (meter C). Meter C gave a linear indication of flow to 12 l/sec. The calibration factors of meters B and C were minimally affected by condensation. The dead spaces of meters A, B and C were 41, 310 and 85 ml, respectively. The over-all impedance to respiratory flow was least in meters B and C. With certain restrictions all meters had good dynamic response curves. Submitted on September 21, 1956Keywords
This publication has 2 references indexed in Scilit:
- Harmonic Content of Certain Respiratory Flow Phenomena of Normal IndividualsJournal of Applied Physiology, 1957
- A Catheter Tip Method for Measurement of the Instantaneous Aortic Blood VelocityCirculation Research, 1956