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Application Guides

Articles explaining different environmental and reliability test methods and their related chamber types.
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Buying and Installing Chambers

Helpful articles for your test chamber planning and purchase.
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How Chambers Work

Learn how test chambers work and their limitations.
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Success Stories

The ESPEC Solutions Group works with product reliability teams to provide effective product design, process and warranty solutions. The Group applies decades of specialized knowledge and application techniques in accelerated reliability testing to resolve product design, process and warranty issues fast. Read these success stories to learn more about the varied challenges the ESPEC Solutions Group and how they were addressed.
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Test Standards

ESPEC accelerated reliability testing chambers can help you meet ... and beat! ... industry testing standards. Our environmental and HALT chambers are used to perform product reliability tests in avionics, military applications, electronics, and consumer goods, including standards set forth by the Department of Defense and the International Electrotechnical Commission. Battery standards, such as IEC 62133, utilize a tailored set of testing scenarios.
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HALT Guides

Articles on scenarios of HALT testing and equipment applications.
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Industry Applications for HALT

Articles about how HALT and other chambers are used by industry.
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HALT Webinars Library

Welcome to ESPEC HALT testing reference library. You’ll find technical papers, webinar recordings, expert reports, and articles that will educate you about HALT and HASS, best practices, and the value of accelerated reliability testing. (Please contact us to see any of these archived webinars.)
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Contact ESPEC North America

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Contacting ESPEC

Call Sales:

877-463-7732 or
+1 616-896-6100 (8-5 EST)
Call your local sales rep

Product Support:

+1 616-896-6170 (8-5 EST)
Denver/Qualmark: +1 303-254-8800
Service/Support Inquiry Form


You have been redirected from qualmark.com to espec.com

Qualmark and its product line is now a part of ESPEC North America.
Read the details: ESPEC North America Inc. and Qualmark Corporation Merge (Jan. 2018)