TEST-901D is a professional, all-in-one test instrument specially developed for substation commissioning and maintenance. It integrates high-precision CT ratio detection, polarity verification, and 1000A primary current injection functions to meet on-site testing requirements of current transformers, circuit breakers and protective relays. With a 7-inch touchscreen, built-in thermal printer, USB data output and full protection mechanisms, it ensures stable, efficient and safe operation. Its compact structure and light weight make it an ideal solution for field electrical testing.
For more information about our products, please visit our official website: https://www.gfuvegroup.com/primary-injection-test-equipment/1000A-primary-current-injection-test-equipment.html
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