The LX4000 Computerized Polygraph System records, stores, and analyzes physiological changes during a polygraph examination. The LX4000 system combines conventional polygraph procedure with sophisticated state of the art technology.
There are limited quantities of LX4000 units available; we recommend considering the LX5000 or LX6 systems instead. Visit our Polygraph comparison sheet for more information about each of our systems.
Our new USB Interface enables the LX4000 to communicate with virtually any Windows based PC computer.
The LX4000 is capable of simultaneously displaying and recording seven input signals
The LX4000 is Small and Compact, making transporting it even easier.
The Redesigned EDA Circuit has a greater operating range, increased sensitivity and subject isolation.