TEST-901D | 1000A Primary Injection & CT Testing

The GFUVE TEST-901D combines high-stability 1000A primary current injection with integrated current transformer testing capabilities in one portable unit.

It supports CT ratio testing, polarity verification, secondary current measurement, and circuit breaker timing tests, providing a practical solution for comprehensive electrical testing.

Featuring an intelligent control system and 7-inch color touchscreen, the TEST-901D offers intuitive operation, precise measurements, built-in thermal printing, and multiple safety protection functions.

Designed for substation commissioning, equipment verification, and on-site electrical maintenance.

Learn more:

https://www.gfuvegroup.com/primary-injection-test-equipment/1000A-primary-current-injection-test-equipment.html

#TEST901D #PrimaryInjectionTest #PrimaryCurrentInjection #CTTesting #CurrentTransformerTesting #1000ATester #ElectricalTesting #CircuitBreakerTesting #SubstationTesting #ElectricalMaintenance #GFUVE

TEST-901D PROFESSIONAL POWER GRID TEST INSTRUMENT

TEST-901D is a professional primary current injection test device specially developed for power grid commission, substation maintenance and electrical equipment testing. It adopts stable circuit design and high-definition touch screen to realize accurate current output, automatic data measurement and real-time result display. With complete protection functions, portable structure and reliable performance, it is widely used for current transformer test, relay protection calibration, circuit breaker test and switchgear routine inspection in power system, providing safe and efficient testing support for power grid operation and equipment 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

#TEST901D #PrimaryCurrentInjection #PrimaryCurrentTest #PowerGridTesting #CTTesting #RelayProtection #CircuitBreakerTesting #SubstationTesting #ElectricalTesting #PowerSystemTesting #GFUVE

TEST-901D 1000A CT RATIO POLARITY INJECTION TESTER

TEST-901D is a portable primary current injection tester dedicated to CT ratio & polarity verification, protective relay calibration, and circuit breaker testing. It outputs stable current up to 1000A, with high-precision measurement, 7-inch touch control, built-in thermal printer, and complete safety protection. Compact, lightweight, and easy to operate, it is widely used for substation commissioning, equipment maintenance, and electrical field 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

#TEST901D #PrimaryInjectionTest #CTRatioTest #CTPolarityTest #CurrentInjection #CTTesting #RelayTesting #CircuitBreakerTesting #SubstationTesting #ElectricalTesting #TestEquipment #GFUVE

TEST-901D FULL FUNCTION PRIMARY CURRENT TEST EQUIPMENT

 TEST-901D is a portable, high-performance full-function primary current injection test set designed for substation commissioning, electrical equipment maintenance, and power system testing. It provides stable large current output, precise parameter measurement, and complete protection functions, supporting current transformer testing, protective relay calibration, circuit breaker verification, and other primary current tests. With a clear touch screen, built-in printer, and lightweight design, it offers fast operation, high precision, and reliable performance, making it an ideal tool for on-site electrical commissioning and quality 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

TEST-901D HEAVY DUTY SUBSTATION TESTING EQUIPMENT

TEST-901D is a rugged, heavy-duty test unit built for continuous, high-demand substation commissioning and maintenance tasks. It provides stable 1000A primary current output to perform reliable tests on current transformers, circuit breakers, and protective relays. With high-precision measurement, 7-inch touchscreen control, built-in thermal printer, and full overload/short-circuit protection, it ensures stable performance under harsh on-site conditions. Its compact, lightweight design and durable structure make it the ideal heavy-duty solution for daily power system testing and verification.

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

#GFUVE #TEST901D #PrimaryInjectionTest #SubstationTesting #1000ACurrentInjection #ElectricalTesting #TransformerTesting #CircuitBreakerTesting #ProtectionTesting #PowerSystemTesting

TEST-901D PROTECTIVE RELAY PRIMARY INJECTION EQUIPMENT

TEST-901D is a specialized primary injection test instrument designed for the precise testing and validation of protective relay systems. It delivers stable 1000A high-current output to simulate realistic fault conditions, enabling accurate assessment of relay tripping logic, response time, and overall protection performance. Integrated with advanced control technology and a user-friendly interface, it also supports comprehensive CT ratio and polarity verification, ensuring reliable alignment between relay settings and current transformers. Equipped with built-in data logging and safety features, this equipment streamlines relay commissioning and maintenance workflows, making it an essential tool for ensuring power grid safety and reliability.

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

TEST-901D CT Ratio & Polarity Test Wiring Diagram

 This wiring diagram shows the standard connection method for TEST-901D 1000A Primary Current Injection Test Set to perform CT ratio and polarity tests. It clearly defines the wiring terminals (P1/P2 for primary current output, S1/S2 for secondary current measurement), helping users complete correct and safe wiring quickly. With this diagram, you can easily carry out accurate CT ratio calculation, polarity verification and primary current injection tests on site.

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

TEST-901D CT Ratio and Polarity Testing Instrument

 TEST-901D is a portable 1000A primary current injection test set, specially used for CT ratio measurement, polarity test and primary current injection test of current transformers, protection relays and circuit breakers in substation commissioning. It adopts ARM control, equipped with 7-inch TFT color touch LCD, high-precision measurement and built-in thermal printer, can display primary/secondary current, ratio, polarity and action time in real time, with USB communication and complete over-temperature, short-circuit and overload protection. The instrument is compact, light weight 20kg, easy for on-site operation, widely used in power system commissioning and 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

TEST-901D SUBSTATION CT TEST AND PRIMARY CURRENT INJECTION DEVICE

 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

TEST-901D 1000A Portable Primary Current Injection Tester for Substation Commissioning

 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

TEST-901D 1000A Primary Current Injector for CT Ratio & Polarity Testing

 The TEST-901D is an all-in-one integrated testing instrument engineered for CT on-site verification. It integrates 1000A primary current injection, CT ratio testing and polarity detection into a single compact unit. Adopting an advanced ARM control system and equipped with a 7-inch colorful touch screen, the tester delivers straightforward human-machine interaction. It is capable of precisely capturing primary and secondary current data, calculating CT transformation ratio, and identifying polarity conditions automatically.

Featuring a high-accuracy sensing module and an embedded thermal printer, the equipment supports on-site data printing and reliable measurement output. Comprehensive protective mechanisms including overload, short-circuit and over-temperature protection ensure safe and stable operation during heavy-duty testing procedures. Widely applicable for substation commissioning, switchgear inspection and routine power equipment maintenance, this primary injection tester offers dependable performance for various power system verification tasks.

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

TEST-901D Primary Current Injection Test Device with High Output

 The TEST-901D is a high-performance all-in-one testing unit, capable of delivering a maximum output current of 1000A. It is professionally developed for primary current injection testing in power system applications.

This instrument supports accurate current measurement, CT ratio and polarity checking, circuit breaker time testing, as well as relay performance verification. It is fitted with a 7-inch color touchscreen, an integrated thermal printer, high-stability output circuitry and comprehensive protection functions.

With a compact footprint, lightweight design and user-friendly operation, the TEST-901D serves as an ideal testing solution for substation commissioning, daily equipment maintenance and factory acceptance tests.

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

TEST-901D Integrated Primary Current Injection Test Device

The TEST-901D is a lightweight all-in-one 1000A primary current injection test set, tailored for substation commissioning and on-site power maintenance.It is widely applied for CT ratio and polarity verification, circuit breaker performance testing, relay protection inspection and full-range primary current injection tests.

Adopting a high-precision acquisition module, the unit ensures stable output and accurate test results. It is fitted with a 7-inch color touch screen for intuitive data viewing, a built-in thermal printer to generate test reports on site, and comprehensive safety protection design for reliable field use.

With an ultra-light weight of only 20kg, the compact structure enables easy carrying and flexible deployment. It is an ideal testing solution for power plants, substations and electrical engineering maintenance projects.

Data Print Function of TEST-901D Instrument

The TEST-901D features an integrated thermal printer, enabling one-touch printing of test data such as CT ratio, polarity, primary and secondary current values, as well as complete test results. It allows quick on-site data logging and archiving, streamlining fieldwork efficiency and convenience for substation commissioning and maintenance tasks.