Lafayette Instrument is excited to announce our next generation 10-channel polygraph system, the LX6.
Computerized Polygraph Software LXSoftware 11.7.1 bundled with OSS-3 and Polyscore is now available for Download in our Software Updates Area!
Interview Route Maps
New Interview Route Maps section added to our online polygraph guides. Lafayette Instrument online account required for use.
Celebrating 70 Years!
We at Lafayette Instrument are excited to be celebrating our 70th Anniversary. Thank you to our customers and employees for making this honor possible!
Credibility Assessment Training
PEAK Credibility Assessment Training Center offers many levels of Continuing Education. Visit our Course Details page to learn more about available courses!
Lafayette Apparel Now Available
Lafayette Instrument now has a fully operating storefront selling branded apparel and gifts. Be sure to visit our store and show off your Lafayette pride!
Lafayette Instrument Company is the world’s leading manufacturer of Polygraph instrumentation and equipment, distributing credibility assessment instruments to private examiners, government, and military organizations around the world.
LX5000 Polygraph System with Laptop Computer
LX4000 Polygraph System with Laptop
Cushioned Portable Subject’s Chair