Breakthrough Technology

Deliver the speed and flexibility required to succeed in modern electronics manufacturing. Because 10 at a time is better than 1 at a time.

Full Service Solutions

CheckSum understands that board test requires more than a tester. Customers trust CheckSum to provide their entire board test solution: test systems, fixtures, programs, and global support. Entrust your next project to CheckSum.

Global Support

Electronics manufacturers in over 40 countries rely on our team of support engineers and distribution partners. Your success is our business.

The Latest

CheckSum – Coronavirus update

Arlington, WA 3/24/2020 CheckSum – Coronavirus update Due to the COVID-19 Pandemic the state of Washington has issued a Stay Home and Stay Safe shutdown order. As a result,  CheckSum’s Arlington, Washington factory is temporarily shut down from March 25th through April 8th. Our operations in other geographies continue and CheckSum remains available to support […]

New Distribution Agreement with Adaptsys

CheckSum is pleased to announce that it is partnering with the Adaptsys Group to sell its full range of in-circuit test solutions, including Parallel Functional Test, to the European market. “As an established supplier into this important market, we are delighted to make this strategic distribution agreement with Adaptsys.  Their experienced sales and support team […]

CheckSum at IPC APEX 2020

The CheckSum crew will be heading to IPC APEX 2020, hosted at the San Diego Convention Center February 4-6. We develop technologies to Parallel Test panels of PCBA’s. An increase in panel density is driving substantial efficiency and throughput gains on the SMT lines; however, typical testing processes are unable to match this increased throughput. […]

Happy Holidays

CheckSum is observing December 25th. Please be aware we will not be in the office and may have limited availability with our team travelling over the Holidays. Thank you for your patience and we look forward to working with you in the New Year.

Meet us at Productronica!

Our new Director of Sales, James Holava and our Field Product Manager, Harry Jin, will be heading to Prodcutronica November 12-15th and are taking meetings Thursday and Friday. If you would like to meet with our team during the conference please reach out via email to and/or

Ask an Engineer

Have questions about how to test a circuit? Questions about options and upgrades, design for testability concerns, or need to diagnose a system issue ask one of our engineers for assistance. CheckSum engineers have decades of experience.