Photo Plethysmograph Trans TP
Part #: TSD200, TSD200C

Photoplethysmogram Transducers

Precision Transducer for Research Data Acquisition

Convert biological signals for analysis with MP system or AcqKnowledge®

The TSD200 photoplethysmogram (PPG) transducer operates with the PPG100C amplifier to record the blood volume pulse waveform via optical (photoplethysmogram) methods.

The TSD200 consists of a matched infrared emitter and photo diode detector, which transmits changes in infrared reflectance resulting from varying blood flow. Blood is highly reflective of near infrared light wavelengths, due to the heme subunit of hemoglobin. When the PPG transducer is placed on the skin, in proximity to capillaries, the reflectance of the infrared light from the emitter to the detector will change in accordance to capillary blood volume. The PPG waveform peaks when capillary blood volume is maximized.

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