Polygraph by Lafayette Instrument Company- lafayettepolygraph.com

Polygraph by Lafayette Instrument Company- lafayettepolygraph.com

Welcome | Polygraph by Lafayette Instrument Company

lafayettepolygraph · lafayetteinstrument · lafayetteinstrument · lafayetteic · Lafayette Instrument.

Our History

As a young man, Max Wastl immigrated to the United States and studied Electrical Engineering at the prestigious Purdue University. Using his education and experience as a guide, he established Lafayette Instrument Company in 1947 with a single employee and a small shed. Over time, in addition to physiological recording instrumentation and psychology testing, Lafayette began to explore the sports and polygraph markets.

With ongoing expansion came international attention, and as a result, Campden Instruments was acquired in 1998 to be an extension and complement to Lafayette’s market leading product lines. In 2016, having seen a growing need for scientifically-driven credibility assessment training, PEAK Credibility Assessment Training Center was born. In 2022, Limestone Technologies Inc.

was acquired to further reinforce Lafayette’s commitment to the polygraph market.

Our Mission

Deliver industry-leading data acquisition, measurement, and analysis instrumentation and

software to advance safety, security, science and medicine.

Our Values

Lafayette Instrument prioritizes people and ethics above all else. We are constantly striving to

innovate, perfect our products and processes, and delight our customers.


3700 Sagamore Pkwy N
Lafayette, IN 47904

Phone: (765) 423-1505
Fax: (765) 423-4111

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