E-TEST is a leading supplier in the production and sales market. We offer the most reliable and economic test equipment in the industry All our products meet international quality standards and are highly appreciated in various markets around the world. Scientific management, superb technology, strict quality control, and considerate service are our core advantages. We look forward to your contact and cooperation!
Why Choose Us
Our service
With rich experience and one-to-one service, we can help you choose products and answer technical questions. Track usage and give positive feedback. Ensure that any professional and technical questions you raise are answered within 2 hours.
After-sales policy
After the arrival of the product, there are quality problems in normal use, one year warranty, free technical consultation for life, lifelong maintenance, and the implementation of contract agreements as stipulated in the contract.
Product application
High quality electrical safety test instruments and automated test systems to suit power utility, power apparatus, and electronic equipment industries, metallurgical and petrochemical system, factories, mines and institutions.
Benefits of High Voltage Test Insturment
Identify Potentially Hazardous Equipment
One of the primary benefits of using a high voltage resistance tester is that it can help identify potentially hazardous equipment. The tester can detect faults in equipment, such as a breakdown in insulation, that may lead to electrical shocks or even electrical fires. By identifying these issues early on, electricians and technicians can take steps to address them before they become a safety hazard.
Ensure Reliable Equipment Operation
In addition to safety benefits, a high voltage resistance tester can also help ensure reliable equipment operation. By measuring the resistance of various high voltage components, the tester can help identify issues that may lead to equipment failure or downtime. This can help prevent costly repairs and outages, and ensure that equipment operates at peak performance.
Easy to Use and Accurate
High voltage resistance testers are designed to be easy to use and provide accurate readings. They typically come with easy-to-read displays and are equipped with features that make them simple to operate. Additionally, the devices are built to withstand the high voltages and currents associated with electrical testing, ensuring safe and reliable operation.
Common Types of High Voltage Test Insturment
DC High-Voltage Testers: These testers generate a direct current (DC) high-voltage output for testing the insulation resistance of cables, transformers, and other high-voltage components. They are used to evaluate the dielectric strength of insulation materials.
AC High-Voltage Testers: AC high-voltage testers are designed to produce alternating current (AC) high-voltage output for various insulation testing applications, such as hipot testing and dielectric strength testing.
Partial Discharge Testers: Partial discharge testers are used to detect and measure partial discharges in high-voltage equipment, such as transformers and cables. Identifying partial discharges helps prevent equipment failure.
Impulse Voltage Testers: Impulse voltage testers generate high-voltage impulses or waves with specific waveforms to assess the insulation and performance of equipment, especially in high-voltage power systems.
Resonant Test Systems: Resonant test systems are designed for testing power capacitors and high-voltage insulation components. They use resonant circuits to efficiently test these components at high voltages.Non contact high voltage tester
Arm type high voltage detector: Arm type high voltage detector provides a safe, practical, and convenient new high-voltage alarm device for near-electricity operators, high voltage alarm is worn on the upper part of the outermost arm of the operator's work clothes, with a unique automatic trigger detection function to ensure the safety of personnel working with electricity.
Cable Testers: High-voltage cable testers are specialized for testing the insulation, integrity, and faults in high-voltage cables, often used in cable fault location and diagnostics.
Non-Contact High Voltage Tester: Non-contact high voltage detector has red LED and sound/light alarm, 9 voltage gears 380V~275kV. Choose a safe, practical and convenient non-contact high voltage tester for electricity inspectors to ensure the safety of operators.
Transformer Oil Testers: Transformer oil testers are used to evaluate the dielectric strength and condition of insulating oil in power transformers and other high-voltage equipment.
The Application of High Voltage Test Insturment
Insulation Testing
High voltage testers are used to assess the insulation quality and integrity of electrical components, cables, transformers, motors, generators, and other equipment. Insulation testing helps identify potential weaknesses, defects, or contamination that could lead to electrical breakdowns.
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. This test is essential for verifying the safety and reliability of electrical equipment.
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. This helps identify insulation defects before they escalate into serious issues.
Main Parameter
|
Model |
Related voltage |
On-load capacity |
Power source protective-tube |
Weight |
|
30KV |
30kV/20mA |
0.1Hz,≤0.5µF~1.1µF |
5A |
Controller:4kg |
|
0.05Hz,≤0.5µF~2.2µF |
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|
0.02Hz,≤0.5µF~5.5µF |
||||
|
50KV |
50kV/30mA |
0.1Hz,≤0.5µF~1.1µF |
7A |
Controller:4kg |
|
0.05Hz,≤0.5µF~2.2µF |
||||
|
0.02Hz,≤0.5µF~5.5µF |
||||
|
60KV |
60kV/30mA |
0.1Hz,≤0.5µF |
9A |
Controller:4kg |
|
0.05Hz,≤0.5µF~1µF |
||||
|
0.02Hz,≤0.5µF~2.5µF |
||||
|
80KV |
80kV/30mA |
0.1Hz,≤0.5µF |
12A |
Controller:4kg |
|
0.05Hz,≤0.5µF~1µF |
||||
|
0.02Hz,≤0.5µF~2.5µF |
Customization
| Customized logo | Min. order: 1 set |
| Customized packaging | Min. order: 1 set |
| Graphic customization | Min. order: 1 set |
| Sample | Min. order: 1 set |
Packing
We're professional high voltage test insturment manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy bulk high voltage test insturment in stock here and get free sample from our factory. Good service and low price are available.
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