For four decades, Cosmo has been a world leader in the design and manufacturing of innovative air leak, air flow, pressure measurement, and custom test instruments for a wide variety of manufactured products. Cosmo products, along with our engineering sales and service teams, have grown repeat business and customer referrals to account for over 90% of annual sales. Incorporated with many unique and beneficial features, our products have earned a reputation for being reliable, sensitive, and user-friendly. Thank you for visiting our web site. Please contact us if you have any questions or would like to discuss your project with an experienced and knowledgeable sales/applications engineer.