The Polygraphy is used for Criminal Investigation/Teaching/Psychology

Function: Polygraph is one kind of electronic instrument, which records the changes of many physiological parameters such as skin conductance, respiration, finger pulses and cardiovascular, etc. It can be used to research and detect the examinee's psychology behavior. The computerized polygraph system is consisted of sensors, main unit, microprocessor, and test software.

Channels:
GSR (Galvanic Skin Response),
Breast respiration,
Abdomen respiration,
Blood volume,
BP,
Movement,
A/V (Audio/Video)