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Reliability for over 35 Years

Cirris founder Marlin Shelley invented the Signature 1000 Cable Tester in 1984. For over 35 years, Cirris staff and customers have worked together to create cable testers with higher voltages and more capabilities. Ambition and a desire to serve customers have placed cable testers in the hands of thousands of customers on every continent (including Antarctica). People all over the world rely on Cirris when they test cables that help drive cars, heal patients, defend soldiers, even launch satellites. Cirris is proud of our part in helping the world progress toward safety and discovery.

Cirris thanks all past, present, and future customers for the opportunity to serve you. We look forward to 35 more years of providing you with the best cable testing products available.


Your Trusted Partner in Quality

Cirris strives to ensure that the cables, wires, and harnesses in your devices are tested on quality products to guarantee functionality and accuracy. Whether you are just testing the cables, or using the end product, you deserve the peace of mind that comes with good cables, wires, and harnesses.


Ownership

Marlin Shelley was the sole owner of Cirris until he sold the company to the employees. As an ESOP (Employee Stock Ownership Plan) company, employees at Cirris shared responsibilities and benefits, thereby increasing workplace efficiency and satisfaction.

Cirris LogoIn September 2020, Schleuniger purchased Cirris and we became part of the Schleuniger group of companies. Cirris has been an industry friend and technology partner with Schleuniger for over 20 years. We are excited to officially join the Schleuniger family of companies and play a key role in the “Best-in-Test” vision. Together we address all aspects of the wire-processing industry and will continue to give our customers the highest level of service and support.

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Bringing Knowledge to You

We strive every day to bring you accurate and informative articles to help you become proficient in the industry. If you need further help, our training professionals are ready when you need them. With our online learning center, virtual, and in-person training, you can rely on Cirris to guide you through even the most difficult testing matter.


Promoters of Quality Life

Whether sponsoring a race to support local charities or organizing family-centered events, Cirris aims to serve and improve life for those around us. Our employees enjoy benefits such as breakfast provided each morning and spending lunchtime hours biking or running. The positive lifestyle of our employees means a positive experience for our customers.

Cable and Harness Testing ExpertsTesting requirements are changing as quickly as technology improves. Cable and harness testing requires higher voltage and more complex testing and we engineer products to meet these requirements. We provide a range of testers, software, adapters, and other tools to fulfill your testing needs. If you can’t find what you need in our standard line, our skilled Custom Products Team is ready to adapt our highly flexible testers to become the perfect tester for your project.
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