Products

The HZJB-II Single Phase Relay Protection Tester is a portable field testing device with excellent performance. It features an elegant, polished appearance with an aluminum alloy chassis and PC panel. Controlled by an ARM chip, the tester has an LCD screen that displays voltage and current outputs, as well as a stopwatch.

The instrument provides fully isolated outputs for adjustable AC/DC voltage, AC/DC current, and adjustable DC voltage. It also features double overload protection in the output loop, ensuring safety and reliability. With its high output capacity, small size, light weight, and high reliability, the HZJB-II is ideal for field calibration and testing of various relays.

The HZ-109S Primary Current Injection Tester adopts ARM chip technology for controlling output and a high-capacity toroidal transformer, and is equipped with an LCD display meter. It can simultaneously display primary current, secondary current, turn ratio, and the actuation time of the stopwatch connection (electric potential). The product features a sleek design, large output capacity, compact size, and lightweight construction, with an external aluminum alloy case and PC panel. It is primarily suited for CT turn ratio and contact resistance testing in power systems, as well as other applications requiring high current testing.

Adopted technology of ARM chip controlling output and toroidal transformer with high-capacity and equipped with LCD display meter, the HZ-109S2 Primary Current Injection Tester could simultaneously display primary current, secondary current and turn ratio. The product possesses the characteristics of nice appearance, large output capacity, small size, light weight and so on with external aluminum alloy case and PC panel. It is mainly suited for CT turn ratio and contact resistance tests of power system and other occasions needed high current test.

The HZ-5371L High Current Generator (referred to as the "current riser") is a test device developed by our company. It combines the advantages of similar products both domestically and internationally. Utilizing numerical control technology, it offers strong anti-interference capabilities. Compared to the previous generation of current risers, it features low power consumption, a large-capacity auto-regulator, and a high-permeability core converter, resulting in high output power, compact size, and lightweight construction.

The High Voltage Switch Dynamic Characteristic Tester is a specialized instrument used to measure the dynamic characteristics of high-voltage switches, such as circuit breakers, disconnectors, and load switches. These switches are critical components in power systems, and testing their performance is essential to ensure their reliability and efficiency in electrical distribution networks.

The HZ-5200 Contact Resistance Instrument is a high-precision digital switch detection device carefully developed in accordance with the IEC standard and the latest Chinese electric power execution standard DL/T 845.4-2004. The instrument uses high-frequency, high-power constant current switching power supply technology to measure micro-ohm contact resistance.

The Transformer CT PT Tester is a next-generation testing instrument for CT and PT, developed based on traditional transformer volt-ampere characteristic testers, ratio and polarity testers, and voltage regulators, voltage boosters, and current boosters. It was designed with extensive user feedback, thorough market research, and in-depth theoretical studies. The device features high-performance DSP and FPGA technology, advanced manufacturing processes, and ensures stable, reliable performance. It offers a complete range of functions, high automation, and high testing efficiency, making it one of the leading products in China. This instrument is a professional tool for testing transformers in the power industry.

The HZCT-100B CT PT Analyzer is a new product developed after extensively incorporating customer feedback and conducting in-depth theoretical research. It is based on the widely acclaimed FA Series Transformer Tester, produced by our company and widely used in the industry. The adoption of high-performance DSP and ARM technology, combined with advanced manufacturing processes, ensures stable and reliable performance. With a full range of features, a high degree of automation, and high efficiency, it is considered a leading product in China. The HZCT-100B is a professional testing instrument for transformers in the power industry.

To meet the fast measurement requirements of DC resistance in transformers, we developed the HZ-3110B DC Resistance Tester. The instrument features advanced technology, compact size, lightweight design, high output current, and other notable characteristics.

The device is controlled by a microcontroller, offering a high degree of automation and automatic discharge functions. It is a high-precision testing instrument that allows for simple and direct fast transformer measurements.

To meet the fast measurement requirements for DC resistance in transformers, we developed the HZ-3110 DC Resistance Tester. The instrument features advanced technology, a compact size, lightweight design, high output current, and other notable characteristics.The device is controlled by a microcontroller, offering a high degree of automation and automatic discharge functions. It is a high-precision testing instrument that allows for simple and direct measurement of transformer DC resistance.

To meet the needs for rapid DC resistance measurement of transformers, our company has developed the HZ-3120A DC Resistance Tester. The instrument incorporates advanced power supply technology and features a compact design, lightweight construction, high output current, excellent repeatability, strong anti-interference capabilities, and comprehensive protection functions. The entire system is controlled by a high-speed microcontroller, offering a high degree of automation along with automatic discharge and discharge alarm functions.

To meet the need for rapid measurement of transformer DC resistance, our company developed the HZ-3140A DC Resistance Tester. The instrument features advanced power supply technology, with characteristics including a compact size, lightweight design, high output current, excellent repeatability, strong anti-interference capability, and comprehensive protection functions.The entire system is controlled by a high-speed microcontroller, offering a high degree of automation along with automatic discharge and discharge alarm functions. The instrument provides high-accuracy testing, is easy to operate, and enables the rapid measurement of transformer DC resistance.

The Winding Resistance Tester is an essential tool in the electrical industry, used to measure the resistance of winding coils in transformers, motors, and generators. Its high precision, user-friendly interface, wide measurement range, and temperature compensation features make it crucial for preventive maintenance, quality control, and field testing. By ensuring accurate measurements, this device helps identify potential electrical faults, enhancing the reliability and efficiency of electrical systems. Companies like Huazheng Electric emphasize the importance of such testing equipment in maintaining high operational standards.

Accurate measurement of winding resistance is vital for ensuring the proper functioning and reliability of electrical equipment. This tool helps detect potential issues such as poor connections, short circuits, and other faults that could lead to costly downtime or equipment failure.

The Portable DC Winding Resistance Tester is an innovative product with a compact design, hand-held operation, and enhanced portability for easy carrying.This instrument is not only suitable for measuring transformers, mutual inductors, reactors, and other inductive test products, but also for testing copper bars, conductors, switch contacts, and other resistive components. The tester offers fast testing speed and high accuracy.