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Bringing Together Circuit Check Test Systems and NI Technology

Posted by Amy Larson on September 30, 2026

Modern electronic products are becoming more complex, and the systems used to test them need to keep pace. From advanced aerospace and defense electronics to medical devices, industrial equipment, and next-generation transportation systems, manufacturers need test solutions that are accurate, repeatable, scalable, and built to support changing requirements.

That is where the combination of Circuit Check test system expertise and NI test and measurement technology can provide a powerful foundation for automated testing.

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The Right Technology, Integrated into the Right Test System

NI provides a broad range of modular test and measurement technologies that can serve as the foundation for sophisticated automated test applications. Technologies such as PXI, FPGA-based I/O, data acquisition, switching, power and real-time test capabilities give engineers the flexibility to build test systems around the specific requirements of the product.

Circuit Check brings the engineering expertise needed to turn those technologies into a complete test solution.

Circuit Check designs and builds automated functional test systems, develops test software, engineers custom fixtures and interfaces, and integrates the electrical and mechanical components required to create a production-ready system. Its functional test systems can incorporate PXI and traditional instrumentation, along with a range of software technologies including LabVIEW and TestStand.

The result is more than a collection of test instruments. It is an integrated system designed around the device under test, the manufacturing process, and the customer's long-term testing requirements.

NI Technology Provides a Flexible Test Foundation

One of the advantages of NI's modular approach is flexibility. Instead of designing a completely new test architecture for every application, engineers can select the measurement, switching, communications, processing, and control technologies needed for a particular system.

PXI-based architectures, for example, can support a wide range of measurement and control requirements while providing a path for future expansion. Circuit Check can integrate these technologies into standardized or custom test platforms, helping customers reuse equipment and adapt their test systems as products and requirements evolve.

That flexibility is particularly valuable when a product moves from engineering and validation into production. The test system may need to perform the same fundamental measurements while adding automation, production controls, additional interfaces, or higher throughput.

Circuit Check Connects the Pieces

A successful automated test system requires more than instrumentation. The equipment must reliably connect to the product, control the test sequence, collect the right data, and provide operators with a repeatable testing process.

This is where Circuit Check's system engineering capabilities become critical.

Circuit Check provides design for testability, requirements development, electrical and mechanical design, fixture development, software development, fabrication, system integration, installation, startup support, and sustaining services.

Its engineers can design the fixture and interface between the test system and the product, integrate NI hardware and software, develop the test application, and build the complete system for the manufacturing environment.

This integrated approach helps ensure that the instrumentation and the physical test system work together as one solution.

From the Lab to the Production Floor

Test requirements often change as a product moves through its lifecycle. Early development may focus on characterization and validation. Production may prioritize repeatability, throughput, ease of use, and maintainability.

A modular test architecture can help bridge those stages.

Circuit Check's test systems are designed around modular technologies to accelerate deployment and support equipment reuse. Its platforms can incorporate different instrumentation configurations while maintaining a consistent system architecture.

That means a customer can build on an established test platform rather than starting from scratch every time a product or testing requirement changes.

Supporting Complex Applications

The combination of Circuit Check and NI technology is particularly relevant for applications where testing involves multiple types of measurements, communications, control, and data acquisition.

For example, Circuit Check and NI recently collaborated on a presentation for Southwest Research Institute focused on testing and validation challenges in modern space systems. The discussion covered everything from basic functional and parametric testing to hardware-in-the-loop applications. NI technologies such as PXI, FPGA-based I/O, VeriStand, SLSC, and RMX provided the test infrastructure, while Circuit Check contributed system integration, automation, switching, interfaces, and other test-system capabilities.

The same philosophy applies across many industries: combine proven test technology with the engineering expertise required to turn it into a complete, application-specific solution.

A Complete Test Solution

NI provides the technology platform. Circuit Check provides the engineering, integration, fixtures, automation, and system expertise to put that technology to work.

Together, these capabilities can help manufacturers develop test systems that are built for today's requirements while providing the flexibility to adapt to tomorrow's.

For organizations evaluating a new automated test system, the question isn't simply which instruments to purchase. It is how all of the pieces—hardware, software, fixtures, interfaces, automation, data, and the production process—will work together.

That is where an integrated approach can make the difference.

Circuit Check combines decades of test engineering experience with NI test and measurement technologies to design, build, and deploy complete automated test solutions—from concept through production.

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