Wuhan HUAYI Electric Power Technology Co., Ltd is a professional manufacturer in China, researching and manufacturing cable fault locator. HUAYI insists on developing and marketing independently, and make efforts to improve the products' quality, reduce cost, and improve efficiency. Widely used in electricity, water conservancy, petroleum, railway, mining, chemical industry and other industries.
Why Choose Us
Rich Experience
The company was established in 2005 and has more than ten years of professional experience. It is one of the earliest manufacturers of high-voltage testers in China. Our products are involved AC/DC Hipot tester, series resonant test system, transformer tester, relay tester, circuit breaker/switch tester, oil/SF6 tester, cable tester and other electric instruments.
Professional Technology Support
Specialize in testing and solutions for more than 18 years. Own experienced engineers. Professional on delivery, installation, debugging, and training.
ISO Certification
We have a professional R&D technical team and strict quality control to ensure safety, accuracy and efficiency. Passed ISO9001 certification and obtained relevant patent certificates.
24 hours After-sales
Professional after-sales service, paying attention to customers' feedback about products; Providing solutions within 24 hours, if the customers have any problem; Act quickly and efficiently.
Types of High Voltage Tester
DC Hipot Generator Tester
It is specialized in testing insulation strength and leakage current for electric power equipment. Adopts voltage doubling electric circuit with high frequency.
Multi-frequency Induction Withstand Voltage Tester
The multi-frequency induction withstand voltage tester has protection functions such as over-voltage, over-current, zero-start, flashover, etc.


Remote Controlling DC Hipot Generator
120KV/3mA DC Hipot Tester Intelligent DC high voltage generator, the main function of this product is to output negative DC high voltage voltage, with good output voltage stability and high precisiont.
80KV VLF AC Hipot Test Set
The VLF hipot tester has large test range: 0.1Hz, 0.05Hz and 0.02hz multi frequency selection, large test range. Small volume and light weight: it is very convenient for outdoor operation.
Product Parameter
|
Specification |
120/2 |
120/3 |
120/5 |
|
Rated(kV) |
120 |
120 |
120 |
|
Rated(mA) |
2 |
3 |
5 |
|
Rated power(W) |
240 |
360 |
600 |
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Weight(kg) |
10 |
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Volume(mm3) |
565*390*190 |
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Voltage cylinder height(mm) |
535 |
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Accuracy of output voltage |
±(1.0%R±2D) |
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Accuracy of output current |
±(1.0%R±2D) |
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Ripple factor |
≤0.5% |
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Working mode |
Intermittent use, 30 minutes under-rated load |
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Over-load capacity |
The no-load voltage can exceed the rated voltage of 10% for 10 minutes |
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The maximum charge current is 1.25 times the rated current |
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Power |
AC220V±10% 50HZ |
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Service conditions |
Temperature: -10-40℃ |
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Relative humidity: Less than 85% under 25℃, without moisture |
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Altitude:1500M under |
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Advantages of High Voltage Tester
High stability and accuracy: High voltage tester has excellent stability and high output accuracy, which can continuously output stable high voltage for a long time and maintain accuracy over a wide load range.
High safety: High voltage tester fully considers safety issues during the design process and adopts reliable protective measures to avoid the occurrence of accidents.
Easy to operate: The high voltage tester is easy and convenient to operate, equipped with a display screen and indicator lights, allowing operators to easily identify power status, parameter settings, and other information, reducing operational risks.
Meeting a wide range of needs: The high voltage tester can be customized according to actual needs, flexibly configuring output voltage, frequency, current and other parameters to meet the needs of different application scenarios.
Key Functions of High Voltage Tester
Insulation Testing: High voltage testers are used to assess the insulation quality and integrity of electrical components, cables, transformers, motors, generators, and other equipment.
Dielectric Strength Testing: High voltage testers measure the dielectric strength of insulation materials by applying a high voltage to determine the maximum voltage the insulation can withstand before breakdown occurs.
Hipot Testing (High Potential Testing): High voltage testers perform hipot tests to evaluate the ability of insulation to withstand high voltage without breakdown.
Cable Testing: High voltage testers are used to test the insulation resistance and integrity of medium and high voltage cables, including power cables used in electrical distribution and transmission systems.
Transformer Testing: Transformers require thorough testing of insulation to ensure reliable performance and prevent insulation breakdown under high voltage conditions. High voltage testers are used to assess transformer insulation quality.
Switchgear Testing: Switchgear and circuit breakers must be tested for insulation integrity and dielectric strength to ensure safe operation during normal and fault conditions. High voltage testers are used for these tests.
Motor Testing: Electric motors and generators require insulation testing to detect potential faults or weaknesses that could lead to motor failure or breakdown.
Partial Discharge Testing: High voltage testers equipped with partial discharge measurement capabilities are used to detect and monitor partial discharges within insulation systems.
Accessory
|
Number |
Name |
Amount |
Number |
Name |
Amount |
|
1 |
Mianframe |
One |
8 |
Four-core connecting line |
One |
|
2 |
High voltage cylinder |
One |
9 |
Ground lead |
One |
|
3 |
Micro-ampere meter |
One |
10 |
3A Fuse |
Two |
|
4 |
Discharging rod |
One |
11 |
Specification |
One |
|
5 |
Current limiting resistor |
One |
12 |
Inspection Report |
One |
|
6 |
High Voltage power line |
One |
13 |
Certification |
One |
|
7 |
Power line |
One |
|
|
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Applications of High Voltage Tester
Electrical Industry
In the electrical industry, high voltage tester is essential for testing cables, switchgear, and other high-voltage components.
01
Energy Supply
In the energy sector, high voltage tester is used to test transformers, generators, and switchgear.
02
Medical Devices
High voltage tester is also crucial in medical technology, especially for devices such as X-ray machines or magnetic resonance imaging (MRI) scanners.
03
Research and Development
In research and development of high voltage systems, batteries, and energy storage systems, high voltage tester is essential for evaluating the performance and safety of new technologies.
04
Automotive Industry
The automotive industry uses high voltage tester to assess high-voltage batteries and electrical vehicle components, particularly regarding electrical safety and component lifespan.
05
Usage Requirements
Before using a tester of the full voltage level according to the rated voltage of the equipment being tested.
Before testing, the tester should be self-tested. When using, the self-test conductive metal switch and the electric shock probe must be pressed at the same time.
When testing electrical equipment with a tester, the tester should follow the electrical safety work procedures.
To ensure personal safety, please conduct preventive tests regularly according to the electrical safety regulations.
Replace batteries as needed and store the tester in a cool, dry place.
Calibrate the tester according to the manufacturer's instructions or industry standards.
Operation Video
Production Line

How To Cooperate With Us
Please contact us with any questions about products, services, or technology issues. We will always be with you and listen to your needs.
Our address
Gaoxin 4th Road, No.40, Wuhan city, China
Phone Number
(+86)-18062012971/whatsapp:+8618064115448
Sales@sinohipot.com/ tina@sinohipot.com
Packaging and Delivery
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Packing detail: |
Packing with wooden cases, provide different solutions of shipping way. |
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Payment: |
We accept many payment term, such as T/T, Western Union, L/C. |
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Warranty period: |
One-year warranty, Installation, and commissioning of specific products. |
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Delivery time: |
Most of our products are in stock and can be delivered upon payment. The delivery time usually does not exceed 15 days. |


Our Certificates

As one of the most professional high voltage tester manufacturers and suppliers in China, we're featured by quality products and competitive price. Please rest assured to buy cheap high voltage tester made in China here from our factory.












