Qian Zhou

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About Qian Zhou

RUN-TEST electric company has the most professional technicians to answer your questions about the test equipment. Certified certificate to give you trust. 24-hour online service to meet your needs. Our goal is to use our electric testing equipment to make your work more effective and safer.

Primary Current Generator supplier

Qian Zhou16 Jul, 2025Business

A Primary Current Generator (which is in the Primary Current Injection Test Set)is a device used to generate a known, stable electrical current for testing and calibration purposes in electrical systems. It is commonly used in applications such as testing the operation of protective relays, current transformers (CTs), and other measuring devices, ensuring that they function accurately under specified conditions.

Cable Fault Locator supplier

Qian Zhou16 Jul, 2025Business

A Cable Fault Locator is a device used to detect and locate faults in electrical cables. It helps in identifying issues like short circuits, open circuits, insulation faults, or other defects in underground, overhead, or buried cables. The goal is to pinpoint the exact location of the fault to minimize downtime and reduce the cost and labor required for cable repairs.

SF6 Gas Analyzer supplier

Qian Zhou16 Jul, 2025Business

An SF6 gas analyzer is an instrument used to measure and monitor the concentration of sulfur hexafluoride (SF6) gas in various applications, particularly in electrical and industrial settings where SF6 is commonly used as an insulating and arc-quenching medium.

High Voltage Test supplier

Qian Zhou16 Jul, 2025Business

High voltage testing in electrical testing is a process used to verify the insulation strength and the overall integrity of electrical components, systems, or equipment. High voltage tester helps detect weaknesses or defects in the insulation materials or construction of electrical equipment, reducing the risk of failures during operation.

Resistance Test supplier

Qian Zhou16 Jul, 2025Business

A resistance test in electrical testing is used to measure the resistance of various electrical components, cables, or systems. Resistance Tester helps ensure that electrical systems and equipment function properly by checking the level of resistance in a circuit, conductor, or insulation. Resistance testing is crucial for verifying that equipment and wiring will operate safely and efficiently without excess heat generation, energy loss, or potential faults.

Relay Protection Test supplier

Qian Zhou16 Jul, 2025Business

A relay protection tester is a device used to test the operation of protective relays in electrical systems. Protective relays are critical components that automatically disconnect faulty parts of the power system to prevent damage to equipment and ensure the safety of the electrical network.

Circuit Breaker Test supplier

Qian Zhou16 Jul, 2025Business

A circuit breaker test involves testing the performance of circuit breakers to ensure that they function correctly when needed. Circuit breakers are protective devices in electrical systems that automatically disconnect the circuit when a fault (such as an overload, short circuit, or other electrical fault) occurs. They help protect both the system and connected equipment from damage.

Transformer Oil Test supplier

Qian Zhou16 Jul, 2025Business

Transformer oil testers (Which is in the Transformer Oil Test Kit) are essential tools in electrical engineering, used to assess the condition and performance of insulating oil within transformers. Regular testing of transformer oil is crucial for maintaining transformer health, preventing failures, and ensuring efficient operation.

Transformer Test supplier

Qian Zhou16 Jul, 2025Business

Transformer testing is essential for ensuring the reliability and efficiency of electrical power systems. Various tests are conducted to assess different parameters of transformers, including their capacity, inductance, insulation integrity, and overall performance. These tests can be performed both in the field and in laboratory settings, depending on the specific requirements and the equipment available.