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Understand our best-selling laser machines

Transformer Oil Test Series

Transformer Test Series

High Voltage Test Equipment

Cable Fault Locator

Secondary Injection Relay Test Set

HV Switch Tester

SF6 Gas Analyzer

Huazheng HZKF-2 Trace Moisture Analyzer Oil Water Content Tester

The trace moisture analyzer from our company meets the requirements of GB/T 7600, SH/T 0255, GB/T 6283, SH/T 0246, and other method standards. It employs the Karl Fischer (Coulomb) method to determ...

Huazheng HZ1200 Volumetric Karl Fischer Titration Apparatus

The HZ1200 Volumetric Karl Fischer Titrator (hereinafter referred to as the instrument) is a highly precise laboratory analyzer. It is mainly used for chemical analysis in colleges, scientific rese...

Huazheng HZ182N Transformer Oil Breakdown Voltage Tester

Transformer Oil BDV (Breakdown Voltage) Testers are widely used in high-voltage electrical equipment such as transformers, oil circuit breakers, oil-filled cables, power capacitors, and oil bushing...

Huazheng HZKF-2 Trace Moisture Analyzer Oil Water Content Tester

Huazheng HZ1200 Volumetric Karl Fischer Titration Apparatus

Huazheng HZ182N Transformer Oil Breakdown Voltage Tester

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Huazheng HZTTR80A Transformer Turns Ratio Tester With Excitation Current

The HZTTR80A Transformer Ratio Test Device is a fully automatic tester that integrates multiple testing functions, including turn ratio, voltage ratio, vector relationship, winding connection, po...

Huazheng HZ-3310D Three-Channel DC Resistance Tester with Magnetic Assistance

Testing the DC resistance of a transformer is a mandatory procedure during the ex-factory inspection of semi-finished and final products, as well as during installation, acceptance testing, and p...

Huazheng HZ-2000D Transformer Tan Delta Tester

Dielectric damage measurement is a fundamental method in insulation testing, which can effectively detect both overall damp deterioration of electrical equipment insulation and localized defects....

Huazheng HZTTR80A Transformer Turns Ratio Tester With Excitation Current

Huazheng HZ-3310D Three-Channel DC Resistance Tester with Magnetic Assistance

Huazheng HZ-2000D Transformer Tan Delta Tester

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Huazheng HZ2511 Factory Manufacture Impulse Withstand Generator

An Impulse Withstand Generator (IWG) is a specialized electrical testing device designed to evaluate the insulation strength of electrical equipment and components under high-voltage conditions. ...

Huazheng HZHG -F 1.0 Class Digital Kilovoltmeter High Voltage Divider

The AC/DC digital kilovolt meter consists of two main parts: a high-voltage divider and a digital kilovolt meter. The high-voltage divider is a passive resistive-capacitive type, constructed with...

Huazheng HZZGF-Z Intelligent DC High Voltage Generator

The intelligent DC high-voltage generator is designed to output negative DC high voltage with excellent voltage stability and high precision. It is an indispensable tool for preventive testing an...

Huazheng HZ2511 Factory Manufacture Impulse Withstand Generator

Huazheng HZHG -F 1.0 Class Digital Kilovoltmeter High Voltage Divider

Huazheng HZZGF-Z Intelligent DC High Voltage Generator

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Huazheng HZ-A50 Pushcart Cable Fault Tester Trolley Type Cable Fault Location System

The HZ-A50 trolley-type cable fault tester is a cable fault testing system that our company has been dedicated to developing for many years in the field of power cable fault detection. To meet th...

Huazheng HZ-B+ Acoustic And Magnetic Synchronization Fixed-Point Instrument Cable Fault Point Tester

Because of the extreme complexity of the power cable laying environment, the precise fixed point has always been a critical step in the cable fault test. Even if there is an accurate coarse measure...

Huazheng HZ-E-I High Voltage Bridge Cable Fault Locator

HZ-E-I high-voltage bridge locator is based on the MURRAY bridge principle. It is used for positioning a variety of wire and cable breakdown point or no breakdown but low insulation resistance...

Huazheng HZ-A50 Pushcart Cable Fault Tester Trolley Type Cable Fault Location System

Huazheng HZ-B+ Acoustic And Magnetic Synchronization Fixed-Point Instrument Cable Fault Point Tester

Huazheng HZ-E-I High Voltage Bridge Cable Fault Locator

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Huazheng HZJB-1700 Portable Handheld Three-phase Relay Protection Tester

The secondary defect elimination tester HZJB-1700 is controlled by a microcontroller, which makes it simple to use and convenient to carry. It can be used to test the action values and time of AC...

Huazheng HZJB-II Secondary Injection Relay Test Set

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 p...

Huazheng HZJB-1200 OEM Portable secondary Current Injection tester 6 Phase Relay Protection Tester

Six phase voltage and six phase current can be output, which has made it is possiable to be any combition, such as the output mode of the combination of conventional four phase current and three-ph...

Huazheng HZJB-1700 Portable Handheld Three-phase Relay Protection Tester

Huazheng HZJB-II Secondary Injection Relay Test Set

Huazheng HZJB-1200 OEM Portable secondary Current Injection tester 6 Phase Relay Protection Tester

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Huazheng OEM HZ5375 5000A Digital Primary Current Injection Tester Supplier

HZ5375 5000A Primary Current Injection Tester (referred to as upconverter), our own self-developed test equipment, it combines the advantages of similar products at home and abroad, using CN...

Huazheng Manufacture HZ5376 6000A Primary Current Injection Test Equipment

A Primary Current Injection Tester is an essential tool for electrical engineers and technicians. It plays a vital role in maintaining the safety and reliability of electrical systems by ens...

Huazheng Manufacture HZ5374 OEM 4000A Primary Current Injection Test Kit

A Primary Current Injection Tester is a specialized device used in the electrical engineering field to test and verify the performance of protective relays, circuit breakers, and other electrical...

Huazheng OEM HZ5375 5000A Digital Primary Current Injection Tester Supplier

Huazheng Manufacture HZ5376 6000A Primary Current Injection Test Equipment

Huazheng Manufacture HZ5374 OEM 4000A Primary Current Injection Test Kit

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Huazheng OEM HZSF1467 SF6 Gas Leakage Detector Supplier

The instrument uses an infrared sensor at its core, combined with high-precision sampling ADC (Analog-to-Digital Converter) and a high-speed ARM CPU. This ensures that the sample data is more accur...

Huazheng Manufacture HZSF-CZ SF6 Gas Vacuuming And Refilling Device

With the rapid development of the power industry and increasing investment in power industry infrastructure and equipment, the use of SF6 electrical equipment continues to grow. Consequently, the r...

Huazheng Manufacture HZ1491 SF6 Gas Density Relay Calibrator

The SF6 gas density relay calibrator is an important component used to monitor changes in SF6 gas density within the SF6 switch body during operation. Due to the infrequent action of the SF6 gas de...

Huazheng OEM HZSF1467 SF6 Gas Leakage Detector Supplier

Huazheng Manufacture HZSF-CZ SF6 Gas Vacuuming And Refilling Device

Huazheng Manufacture HZ1491 SF6 Gas Density Relay Calibrator

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Huazheng About
Huazheng

Huazheng, established in 2008, is a enterprise which is engaged in the research, development, sale and service of transformer tester, transformer oil tester, relay tester, high voltage tester, circuit breaker tester. We are located in Baoding, China, which is close to Beijing with convenient transportation access. Our experienced staff are always available to discuss with you for your requirements and ensure full customer satisfaction.

15

+

Years of Experience
100

+

Exporting countries
50

+

Number of employees
200

+

Product Types

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Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements at any time.