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A respirometer is a device which is used to measure respiration, where organisms exchange carbon dioxide and oxygen as part of their metabolism.
Item Summary for NEUROPTICS 59001 Pupillometer. *This Unit Has Been Thoroughly Inspected AND Tested By NeurOptics, The Manufacturer. The NeurOpticsâ¢ Pupillometer is a handheld optical scanner which captures and analyzes a series of digital images to obtain a measurement of the diameter of a human pupil.