LX6 System

Trade Up to a New Lafayette Polygraph System

Did you know that Lafayette Instrument even accepts trade-ins of polygraph systems from other manufacturers?


Upgrade from a Lafayette Polygraph System

Receive a discount of up to $ 2,000.00 for an LX5000 or $ 1,500.00 for an LX4000.

Upgrade from another Polygraph Manufacturer's System

Receive a discount up to $ 1,500.00 when upgrading to a Lafayette Polygraph from a Computerized System from Axciton, Stoelting, or Limestone.

Upgrade from a Voice Stress System

Receive a discount up to $ 500.00 when upgrading to a Lafayette Polygraph from a voice stress system.

Contact Us

We will be happy to help you through the process of upgrading your system!


Lafayette Instrument Company is committed to protecting your privacy. This is because our business is based on the trust you place in us. The personal information that you provide will only be used by Lafayette Instrument and its representatives. For more information about our personal data handling, view our Privacy Policy. If you have any concerns, comments, or complaints, be sure to contact us.

             Join our email list for up-to-date product news             Sign Me Up!

Copyright © 2009 - 2022 Lafayette Instrument Company. All Rights Reserved.