About
CRITERION
instruments

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About Criterion Instruments

Since 1938, Criterion Instruments has been at the forefront of electrical and electronic test equipment innovation. Recognized as a trusted name in the electrical industry and utility sector, Criterion is committed to providing high-quality testing solutions that meet the evolving demands of modern electrical systems. With a strong reputation for precision and reliability, Criterion’s products help ensure energy efficiency, equipment longevity, and user safety—all backed by decades of expertise in high-voltage testing.

Industry-Leading Testing Solutions

Criterion Instruments specializes in dielectric strength testing, delivering industry-leading solutions designed to meet rigorous safety and performance standards. As electrical regulations become more demanding, they continue to provide advanced testing equipment that allows professionals to verify compliance, detect faults early, and enhance overall operational safety.


With a range of high-voltage testers capable of up to 40 kV AC and 50 kV DC, Criterion’s products are engineered for accuracy and reliability. Whether testing transformers, cables, or other high-voltage components, users can trust these solutions to deliver dependable results when it matters most.

Commitment to Quality and Innovation

Every product bearing the Criterion name is built to withstand the demands of real-world applications. Designed for accuracy, durability, and ease of use, their test equipment undergoes rigorous quality control to ensure optimal performance. From research and development to final production, the brand remains dedicated to innovation—providing intuitive, field-ready tools that empower professionals to work safely and efficiently in high-voltage environments.

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