The Pioneer of Modern Leak Testing

Leak Testing Equipment & Solutions

Uson is the premiere global provider of leak testing equipment and solutions for the medical device, automotive, electric vehicles,  industrial and packaging industries.  Since 1963, Uson has taken the leak testing technology we first developed for NASA and successfully applied it to a wide range of automated industrial assembly applications.

After 50 years of leadership we still manufacture and provide the most versatile and reliable lineup of leak testers, services and support in the industry. No one has more combined leak testing experience than the professionals at Uson giving us the unique ability to partner with our customers to develop highly customized and scalable solutions.  We specialize in test methods including Pressure Decay, Differential Pressure Decay, Mass Flow, Continuous Flow, Vacuum Decay, Sealed Component, Burst, Seal Creep and many more.

Our customers count on us for creative, innovative leak testing solutions to ensure they bring the highest quality products to market.  You can too!

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New Product Showcase: Sprint mD

Sprint mD Leak Tester
Uson Sprint md leak and flow tester

Uson announces the new SprintmD leak tester.  This multi-function, multi-application tester is specifically designed to accommodate a wide-rang of applications and complex test procedures up to 750 psi.

Leak Rate Calculator

Free App for Android & iOs
Uson Leak Rate Calculator for Smartphones

A FREE multi-platform leak rate calculator app for your smart phone and tablet. This handy tool estimates production rate for leak-tested parts based on known testing specifications.  Available for iOs and Android.

Uson Global Sales & Support Network

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Global Uson Sales & Support Network

With offices in the U.S., U.K. and China, in addition to a global network of leak testing experts, wherever you are in the world, Uson is close-by.

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Join nowThe Uson Literature Club provides access to white papers, brochures, tech manuals and much more.

Contact Us


Uson L.P. - Corporate

8640 N. Eldridge Parkway
Houston, TX 77041 USA

Tel: +1-281-671-2000
Fax: +1-281-671-2001


Uson UK – Europe

Western Way
Bury St. Edmunds
Suffolk, IP33 3SP United Kingdom

Tel: +44-1284-760606
Fax: +44-1284-763049


Uson – China

Room 601, 567 Lan Gao Road
Shanghai, 200333, China

Main: 021-583 65859, 021-583 59187
Fax: 021-583 59185, 021-337 73559