18 Pa.C.S. § 7507: Breach of privacy by using a psychological-stress evaluator, an audio-stress monitor or a similar device without consent.

A person commits a misdemeanor of the second degree if he uses a psychological-stress evaluator, an audio-stress monitor or a similar device which measures voice waves or tonal inflections to judge the truth or falsity of oral statements without the consent of the person whose statement is being tested.