TEST-901D delivers high-precision calibration and verification for current transformers, combining accurate ratio measurement, polarity detection, and 1000A primary current injection in one compact unit. It uses a 7-inch color touchscreen for clear data display and intuitive operation, with ±0.5% measurement accuracy to ensure reliable calibration results. Built-in thermal printer, USB data output, and complete overload, short-circuit and thermal protection make it ideal for on-site substation calibration, equipment inspection, and power system maintenance.
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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