Engineering for Change
Engineering for Change
mashavu-7
The Mashavu Spirometer: A differential pressure sensor measures the force of exhalation and a National Instruments DAQ card digitizes the signal. The DAQ device plugs into a computer and all the signal processing is done in software. Photo credit: Khanjan Mehta
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Uploaded on November 29, 2009
Taken on November 29, 2009
mashavu-7
The Mashavu Spirometer: A differential pressure sensor measures the force of exhalation and a National Instruments DAQ card digitizes the signal. The DAQ device plugs into a computer and all the signal processing is done in software. Photo credit: Khanjan Mehta
5,325
views
1
fave
0
comments
Uploaded on November 29, 2009
Taken on November 29, 2009