Conventional Polygraph > Components and Options > Heart Rate

The Model 76520 Thumb Transducer Set is used as an alternate method of recording the cardio pattern. The unique design of the transducer consists of a flexible inner bladder which is covered with a durable, easy-to-clean, metal outer shell. Each set comes with three different size transducers to be used with different sized subjects on either the thumb or index finger. The inside diameter of each is 0.8125", 0.9375", and 1.0625". To be used in conjunction with any electronic multiple function amplifier.
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