Professional Polygraph Plan – PLAN 4008
This is a professional type lie detector in that it monitors several vital signs of the subject simultaneously: respiration, skin resistance, and pulse rate. This instrument is unique in that it utilizes a stereo tape to record all the test results on one track of the tape while all the questions and answers are recorded on the second track. It can be attached to a chart recorder for permanent, graphic recording or may be replayed with full metered display, etc. Electronic Plan – no parts or components included, paper plan ONLY.
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