Products

HZGTU gas-filled non-partial discharge combined electrical test device is suitable for high-voltage, large-capacity GIS, GIL power equipment insulation withstand voltage test, partial discharge test and accuracy test of GIS transformers. It is a necessary device for GIS substations, GIS, GIL power equipment manufacturers, basin insulators, and insulation structural parts manufacturers to conduct preventive tests and factory tests.

Adding a high-voltage casing interface to the equipment can lead to high-voltage, which can perform various high-voltage tests on traditional high-voltage equipment.

HZ5373 3000A high current generator (referred to as upconverter), our own self-developed test equipment, it combines the advantages of similar products at home and abroad, using CNC technology, strong anti-interference ability, compared with the previous generation upconverter Because of the use of low-power, large-capacity self-coupling voltage regulator and high permeability iron core converter, it has the advantages of large output power, small size and light weight. Mainly used in primary bus protection and various current transformer transformation ratio test projects, it is widely used in electric power, railway, petrochemical, metallurgy and mining companies such as scientific research, production and electrical test site.

The handheld transformer DC resistance tester, as an innovative product, can output a maximum current of up to 20A, which can support the use of most distribution transformers. Taking advantage of our own strengths, our company specifically has optimized the algorithm for distribution transformers, enabling one-click testing of the three-phase DC resistance values and imbalance rates. The instrument features fast testing and high accuracy.

A 6 phase relay protection tester differs from its 3-phase counterpart in one fundamental way: it provides six fully independent current channels and up to six voltage outputs simultaneously. That independence matters enormously when you're testing busbar differential protection, three-winding transformer protection, or running an end-to-end relay test across two remote terminals. With a standard 3-phase set, you're often forced to run tests in stages or reconfigure mid-job — both of which introduce errors and cost time.

The HZDL-1000III three-phase high current generator (referred to as three-phase current regulator) is a testing equipment independently developed by our company.It combines the advantages of similar products at home and abroad, adopts CNC technology, and has strong anti-interference ability. Compared with the previous generation of current regulators, it has the advantages of large output power, small

size, and light weight due to the use of low-power, large capacity self coupled voltage regulators and converters made of high permeability iron cores. Mainly used for thermal relays, motor protectors, contactors, circuit breakers, air switches,switchgear, circuit breakers, and protection screen calibration.

Dielectric loss measurement is a very basic method in the insulation test, which can effectively find the overall damp deterioration and deterioration of the insulation of electrical equipment, as well as local defects. It is widely used in electrical manufacturing, electrical equipment installation, handover and preventive testing. The measurement of dielectric loss of transformers, transformers, reactors, capacitors, bushings, lightning arresters, etc. is the most basic method to measure their insulation performance.

The instrument is high intelligent degree .It is easy to operate with all English menu prompts. The instrument is small in size, light in weight and strong in anti-interference ability, which greatly reduces the labor intensity of the field staff. It is an ideal instrument for ensuring safe production and improving product quality in power supply units and transformer manufacturing industry.

An insulation resistance tester, often referred to as a megohmmeter or simply a "megger," is a specialized instrument used to measure the resistance offered by electrical insulation materials. The primary purpose of this device is to assess the quality and effectiveness of insulation in electrical equipment, cables, transformers, motors, and other electrical components.

The VLF Multifunction Hipot Tester is an advanced electrical testing instrument designed to ensure the safety and reliability of high-voltage electrical equipment. VLF stands for Very Low Frequency, a testing method that uses low-frequency AC voltage, typically around 0.1 Hz, to perform dielectric withstand tests on cables and other electrical components. This technology has become increasingly important in the electrical industry due to its ability to accurately assess insulation integrity without causing damage.

HZRC3000B Earth Resistance Soil Resistivity Tester is specially designed and manufactured for measuring earth resistance, soil resistivity, earth voltage, AC voltage. Adopting the latest digital and micro-processing technology, precise 4-pole, 3-pole and simple 2-pole method for earth resistance measurement, importing FFT and AFC technology, with a unique function of anti-interference capability and the ability to adapt to the environment, consistency of repeat testing, to ensure high precision, high stability and reliability for prolonged measure, which is widely used in electric power,telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth resistance, soil resistivity, earth voltage, AC voltage measurement.

The Automatic Tektronix Closed-Cup Flash Point Tester is an advanced laboratory instrument designed and manufactured according to ASTM D56 standards, specifically for determining the flash point of petroleum products and other liquids.

Flash point is one of the important indicators for assessing the flammability of a substance. In transportation and safety regulations, it is used to define flammable and combustible substances, and it can also reflect whether there are highly volatile or flammable impurities in the substance.

This instrument is suitable for determining the flash point of liquids with a viscosity of less than 5.5 mm²/s (cSt) at 40°C (104°C) or less than 9.5 mm²/s (cSt) at 25°C (77°C) using a Tiger closed-cup tester, and a flash point below 93°C (200°F).

Contact Resistance Tester is made and contained of advanced high-power switching power supply technology and advanced electronic circuit. It is the dedicated tester for the resistance of high and low switch, cable wire and welding joint. Its current uses national standard GB736 recommended standard DC, can measure the resistance value of being tested object under standard current status. The tester is small dimension, light weight, strong anti-interference, high precision, easy operation and perfect function protection and so on.

The HZ1151 fully automatic apparent viscometer (CCS) complies with technical specifications such as GB/T6538-2010 and ASTM D5293; it is suitable for testing the low-temperature dynamic viscosity index of engine oil. The instrument can measure the apparent viscosity of oil at a temperature of -35°C to -5°C with an interval of 5°C. It has the advantages of accurate measurement, good repeatability, stable performance and simple operation.

It is suitable for measuring the apparent viscosity of engine oil at a shear stress of about 500 to 20000 mPa.s and a shear rate of 105 to 104 S-1 at -5°C to -30°C. The instrument uses fully automatic temperature control equipment, users only need to operate on the color touch screen to quickly and easily perform testing and analysis.

The device is controlled by the single-chip microcomputer , with a high degree of automation, automatic discharge functions. It is a test instrument of high precision, simple, direct way to achieve fast transformer measurement.

The Insulation Resistance Tester is a vital tool in electrical engineering that ensures safety and reliability by measuring the insulation quality of electrical equipment. By identifying potential issues before they escalate, these testers help prevent hazardous situations and costly downtime. Available in various models with features like adjustable test voltages and data logging, modern Insulation Resistance Testers are portable and easy to use. Investing in high-quality testers, such as those from Huazheng Electric, allows organizations to protect assets, comply with safety standards, and reduce costs associated with electrical failures.

The device is controlled by the single-chip microcomputer , with a high degree of automation, automatic discharge functions. It is a test instrument of high precision, simple, direct way to achieve fast transformer measurement.

The DC Winding resistance is the transformer’s semi-finished product, finished product test, installation, commissioning test, and electric part prevention test necessary test project，the transformer coil can effectively find the device welding, connecting parts loose, missing unit, disconnection, and other manufacturing default and other hidden danger occurred after operation.

To meet fast measurement requirement, we developed DC Winding Resistance Tester. The instrument is a newpowerful technology, small size, light weight, high output current and other characteristics.

The device is controlled by the single-chip microcomputer , with a high degree of automation, automatic discharge functions. It is a test instrument of high precision, simple, direct way to achieve fast transformer measurement.