TEST-901D is a portable, high-precision multifunctional device specially designed for on-site calibration and testing of current transformers (CT). It provides stable 0–1000A high-current output to accurately verify CT ratio, polarity, and transformation characteristics. With a 7-inch touch screen, built-in thermal printer, and complete overload protection, it offers fast, reliable, and easy-to-operate solutions for substation commissioning, power equipment maintenance, and electrical system inspection.
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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