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

How Can CheckSum Be So Much Faster? – Video

We developed this video for APEX 2019 to highlight the differences between our test process and traditional test processes. The CheckSum Parallel Technology paired up with our powerful V12 and Dual and Quad Core ICT delivers many fold speed increases especially for small boards manufactured in panels. This process reduces or eliminates human handling, drives […]

Inclement Weather Operations

Please note there will be limited staff at the CheckSum factory and office as inclement weather is creating travel safety concerns for our employees. We will be operating with limited capabilities Friday, February 8th and expect normal operations to resume by Monday, February 11th. Please reach out to for quickest response.

Visit Us at booth 1433

The CheckSum crew will be heading to IPC APEX, hosted at the San Diego Convention Center January 29-31. Specializing in Test and Inspection for over 30 years we are excited to present our newest system capability, Parallel Functional Test. This capability is designed for small PCBAs that are manufactured in panels where singulating and individually testing […]

The Philips Story

Philips Lighting (recently renamed Signify) produces quality, energy-efficient Industrial and Consumer Lighting products. Founded over 100 years ago in the Netherlands, Signify is now a global leader. Signify adopted CheckSum as their best ICT solution in their Chicago lab and their world-class Tijuana manufacturing facility with 14 state-of-the-art SMT lines. Signify and CheckSum have been working […]

Spotlight on Dual Level Probing

The 12KN’s dual-level probing capability allows for the use of a single test fixture to do both full ICT and functional test. Isolating unneeded probes from contact with PCBA, enables the Unit Under Test (UUT) to operate without the capacitive loading effect of test probes, thus ensuring more accurate and stable tests.  This feature is […]

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.