Checksum, LLC

CheckSum is a leading supplier of in circuit test and on-board gang programming systems, fixtures and services to the worldwide electronics manufacturing industry.

Inspection, Test Services

CheckSum is a leading supplier of in circuit test and on-board gang programming systems and services to the worldwide electronics manufacturing industry.  Products and services include systems, fixtures, and programs that detect manufacturing process faults on complex SMT printed circuit assemblies and that provide value-added operations such as device In-System, On-Board Part Programming.  With an installed base of almost 3,500 test systems at more than 200 manufacturing sites in over 40 countries, CheckSum helps customers ranging from automotive electronics manufacturers to global EMS providers increase productivity while reducing total test and manufacturing costs.  

CheckSum has been delivering reliable, cost-effective, and easy-to-use test solutions to OEMs and contract manufacturers since 1987. With an installed base of almost 3,000 test systems at more than 200 manufacturing sites in over 40 countries, CheckSum helps customers ranging from automotive electronics manufacturers to global EMS providers increase productivity while reducing total test and manufacturing costs.

Based in Arlington, Washington, CheckSum is the only North American Automated Test Equipment (ATE) supplier that offers complete solution packages from a single source, including:

  • Analyst in circuit test systems designed for today’s complex boards
  • MultiWriter On-Board part programming system for high-throughput part programming
  • “Fast-Turn” bed-of-nails test fixture fabrication services
  • Custom on-board part programming applications for panels with multiple devices
  • Custom in circuit and functional test programs, including Boundary-Scan and TestJet vectorless test applications
  • “Engineer-to-engineer” technical support

Checksum, LLC Postings

7 products »

CS401 Backplane / Backpanel Test

Continue to make use of your Testronics Model 401 and Fixtures & Test Programs. The CheckSum CS401 Backplane Test System consists of a modified Testronics 401 press with CheckSum measurement electronics connected to the fixture...

Test Equipment

CS401 Backplane / Backpanel Test

In Circuit PCB Test Fixture Systems and Fixture Kits

CheckSum pneumatic and mechanical test fixtures are rugged, reliable and inexpensive-especially when compared to the heavy vacuum fixtures required by traditional in circuit testers. CheckSum fixturing is compatible with all of Che...

Test Equipment

In Circuit PCB Test Fixture Systems and Fixture Kits

MultiWriter pps™ On-board Part Programming

On-Board Gang Part Programming System The MultiWriter pps™ on-board gang programming system uses proven, patented simultaneous programming technology to program up to 384 chips simultaneously, up to 16 different types or families...

Component Programming

MultiWriter pps™ On-board Part Programming

Analyst ems+ft - In Circuit PCB Test/Functional Test (ICT/FT) System

In Circuit and Functional Test System The CheckSum Analystems+ft is designed for testing most common circuit assemblies. It combines manufacturing defects analysis (ICT/MDA) with power-up functional test to provide extremely high f...

Test Equipment

Analyst ems+ft - In Circuit PCB Test/Functional Test (ICT/FT) System

Analyst ils - Inline In Circuit PCB Tester

High Fault Coverage In-line ICT System. Designed for testing all types of circuit assemblies the CheckSum Analyst ils has all the features of the Analyst ems, but in a package with an integrated high-speed board handler for use in ...

Test Equipment

Analyst ils - Inline In Circuit PCB Tester

Analyst ems - Open Platform In Circuit PCB Tester

High Fault Coverage ICT System. The Analyst ems Low-Cost In Circuit Test (ICT) System provides the capability to quickly and easily test assemblies for common manufacturing defects such as incorrect, missing or misoriented componen...

Test Equipment

Analyst ems - Open Platform In Circuit PCB Tester

Tilt 12KN - Tilt Probe In Circuit PCB Tester

Flying Probe Alternative: Fixture development in 3-4 days with fast in-circuit test time Applications Ideal for New Product Introduction (NPI) and High-Mix / Low-Volume Loaded Cir...

Test Equipment

Tilt 12KN  - Tilt Probe In Circuit PCB Tester

4 news releases »

CheckSum To Demonstrate New V12 In-Circuit Test Measurement Electronics Module And 12KN -Circuit Test on Tilt Probe Test Fixtures - at SMT Nuremberg, 5-7 April Nuremberg, Booth 7A-421

Apr 28, 2015 | The new CheckSum V12 Measurement Card will be exhibited amongst other products at the SMT Show Nuremberg, booth 7A-421. The V12 is the latest version of CheckSum electronics that controls and runs CheckSum’s range of in-circuit and functional testing systems. The V12 card will be demonstrated in CheckSum’s range of In-Circuit and Functional Testing Systems, CheckSum will have representatives available to showcase our latest technology.

CheckSum To Demonstrate New V12 In-Circuit Test Measurement Electronics Module at IPC APEX Expo

Feb 17, 2015 | The new CheckSum V12 Measurement Card will be exhibited at the IPC APEX Expo 2015. The V12 is the latest version of CheckSum electronics that controls and runs CheckSum's range of in-circuit and functional testing systems. Press Conference at CheckSum's booth# 2919, Wednesday, Feb. 25 at 2:30pm.

CheckSum To Unveil Latest Version of In-Circuit Test Measurement Electronics at Electronica Munich

Nov 03, 2014 | New V12 Measurement Card ensures greater safety and control with lower voltage stimuli and decreased test times for In-Circuit and Functional Testing. The new CheckSum V12 Measurement Card will be unveiled at Electronica 2014. The V12 is the latest version of CheckSum electronics that controls and runs CheckSum’s range of in-circuit and functional testing systems. CheckSum will be partnered with MTQ Test Solutions in Hall A1, Booth 558, and will have representatives available to showcase the technology.

New In-Circuit Tester Aimed at Replacing Flying Probers Demonstrated at APEX

Mar 31, 2014 | New CheckSum Tilt 12KN tester employs revolutionary bed-of-nails fixtures from Everett Charles Technologies to combine high fault coverage and throughput with very low fixture cost. System is designed to replace flying probers at low- to medium-volume manufacturers with high product mix.

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 Reflow System