D03a - BIEN 130: Bioinstrumentation D03 May 13, 2009 Hyle...

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BIEN 130: Bioinstrumentation D03 May 13, 2009 Hyle Park Yan Wang
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Questions Need to collect sample problems and answers for ABET Please choose three examples from any graded material Perfect answer Ok answer Bad answer Try to find examples If you have them now, that would be great (end of class) Otherwise, bring them to Bourns A247 for scanning
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Non-electronic bioinstruments Traditional doctor’s handbag Thermometer Stethoscope Sphygmomanometer Otoscope Ophthalmoscope Reflex hammer Phlebotomy kit Body fat calipers spirometer
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Thermometer Operating principle Thermal expansion of a liquid A reservoir of liquid expands or contracts with temperature The expansion/contraction is confined to a very thin region, and the height of the column can be calibrated to temperature Why use mercury? Why aren’t these used today?
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Digital thermometer Different types of heat sensors Typically rely on thermal
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D03a - BIEN 130: Bioinstrumentation D03 May 13, 2009 Hyle...

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