Industry Solutions

Select Your Testing Appliaction

Oil Testing Equipment

Transformer Tester

High Voltage Test Set

Primary and Secondary Current Injection Test Set

HV Switch Tester

Power Quality Analyzer

Cable Fault Locator

Insulation/Earth Resistance Tester

Featured Products

ZWJD111E Transformer Oil Breakdown Voltage Tester

ZWWS301BE Coulomb Karl Fischer Trace Moisture Titrator

ZWKC-101G Circuit Breaker Analyzer

ZW3120 DC Winding Resistance Tester

ZWGC708 Gas Chromatograph Analyzer

ZWVLF-40 VLF Hipot Tester

ZWJD301 Relay Protection Tester

ZWZGFS-60/5 DC Hipot Tester

Why Choose Us ?



Technical support guarantee

There are a number of senior technical engineers to do technical support.



Leading technology

Cooperate with national Electricity research institutes and universities every year to develop cutting-edge products in the market.



Quality assurance

The company has a perfect and scientific production process, quality inspection process, to provide customers with high-quality and applicable products.



High efficiency, high quality, lifelong maintenance

With the perfect pre-sale-in-sale-after-sales service system, to provide customers with high-quality service.



Long history

More than 20 years of experience in the power industry.

About Us

The company’s main customer base includes national power grids, railways, power research institutes, water conservancy, chemical industry, power plants, power installation companies, transformer factories, electrical companies, training schools, and others worldwide.

The company mainly produces and sells various types of testing equipment and instruments, such as oil-immersed, high-voltage, SF6 gas, and cable testing equipment, and has been deeply involved in the power industry for more than 20 years.

Popular Videos

Company scene

Oil Tan Delta Tester Operation Process

Oil BDV Tester Operation Process

Recent News

How to Properly Test an Earthing Transformer: Essential Methods and Equipment

Proper evaluation of earthing transformers is crucial for maintaining electrical system safety and reliability. OilHV Tester, a leading manufacturer of electrical testing equipment, offers...

Demystifying the Operation of a TTR Tester: A Closer Look at Transformer Turns Ratio Testing

Which Parameters Are Tested in Oil Dielectric Tester?

Practically, we need to ensure accurate testing, to in-turn, ensure the safety and reliability of the electronic machinery. The oil dielectric tester is a vital piece of the equipment that is...

What is the Standard for Circuit Breaker Testing?

Circuit breakers are the gadgets that are installed in electrical systems. Such devices are the ones that protect during the occurrence of a fault by the operation of the switch. The influence of...

What Is the Best Testing Equipment for Electrical and Oil Systems?

Highly detailed testing equipment is very important for managing safe, efficient work and for the correct operation of your equipment. The operation of protection relay test sets, viscosity test...

THE IMPORTANCE OF HIGH VOLTAGE TESTING EQUIPMENT IN MODERN INDUSTRIES

Various industries, including the power generation, electrical manufacturing, and maintenance, are the places where high voltage testing is a significant process. The proper function of high...

THE IMPORTANCE OF TRANSFORMER TESTING AND FAULT DETECTION IN POWER SYSTEMS

The whole system of power supply plays a vital role in the modern infrastructure, by which the voltage and frequency levels are maintained between the generator and the consumer while being...

coulometric KF titrator

How Often Should a Coulometric KF Titrator Be Calibrated?

Calibration is a critical step When it comes to ensuring the accuracy and reliability of your coulometric KF titrator. We understand the importance of precise moisture analysis in industries like...

transformer resistance test

How Do You Test the Resistance of a Transformer?

Transformers are critical components in electrical systems, and their proper functioning is essential for efficient energy transfer. One crucial aspect of transformer maintenance is testing its...

oil dielectric tester

How Do You Test the Viscosity of Oil?

Testing the viscosity of oil is a critical process in various industries, from automotive to energy production. Proper oil viscosity ensures machinery operates efficiently and prevents...

flash point meter

What Does Flashpoint Measure?

Flashpoint is a critical parameter in assessing the safety and handling of various liquids, especially fuels, solvents, and chemicals. Understanding flashpoint helps industries determine the...