The TEST-901D is a lightweight 1000A primary current injection tester tailored for substation commissioning, handover acceptance and daily power equipment maintenance. Adopting advanced ARM control technology and a high-power toroidal transformer, the unit delivers stable and powerful current output for on-site primary testing.
Configured with a 7-inch color touch screen, high-precision measurement modules, a built-in timing system and an integrated thermal printer, this intelligent test device supports fully automatic testing workflows. It accurately implements primary and secondary current measurement, CT ratio and polarity verification, as well as testing of circuit breaker operating current and action time. Equipped with comprehensive overload, over-temperature and short-circuit protection functions, it ensures safe and stable operation in complex field environments.
Weighing only 20kg with a compact and integrated structure, the tester features excellent portability for outdoor and on-site deployment. It is widely applied for primary current testing of switchgears, circuit breakers, protection relays and current transformers, effectively verifying the operational performance of power equipment and guaranteeing the safety and reliability of power distribution systems.
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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