Stimulators
A collection page of World Precision Instruments
About
Stimulators WPI stimulators for electrophysiology research are constant current stimulators. These are preferred over constant voltage stimulators, because: Current is the quantity that stimulates most excitable tissues. Stimulating electrodes (and some tissues) tend to increase their resistance as stimulation progresses. A constant current stimulator "senses" the resistance change and provides whatever voltage is needed to maintain delivery of current at the set rate. Stimulus isolators isolate a given stimulus from ground. WPI isolators in the 300 and DLS series offer a compliance voltage (maximum output voltage) of 100V with very low noise
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