Experimental Assessment of a Variable Orifice Flowmeter for Respiratory Monitoring

<div>(a–d) Restriction area of the variable orifice meter: from (a) to (d) the increment of the restriction area with volumetric flowrate is shown. (e) Picture of the variable orifice meter and key components.</div>

Journal of Sensors

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Figure 1

Figure 1: Experimental Assessment of a Variable Orifice Flowmeter for Respiratory Monitoring 