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This section provides an overview for dielectric strength testers as well as their applications and principles. Also, please take a look at the list of 9 dielectric strength tester manufacturers and their company rankings. Here are the top-ranked dielectric strength tester companies as of December, 2024: 1.KingPo Technology Development Limited, 2.Sefelec SAS, 3.HK LEE HING INDUSTRY CO., LIMITED.
Table of Contents
A dielectric strength tester is an instrument for assessing the dielectric strength of electrical equipment and electronic components. It confirms that these items are adequately insulated, safeguarding against hazards like leakage and short circuits. Insufficient insulation heightens the risk of electric shock and fire. These testers are crucial for conducting dielectric tests by applying specific voltages to meet regulatory compliance and ensure product quality.
Dielectric strength testers are essential in manufacturing and ensuring the safety of various electrical equipment and electronic components, with applications including:
They are vital for high-voltage equipment testing, such as cables and transformers, to ensure safety, proper functioning, and quality of construction work by identifying equipment damage and insulation failures.
In the production of electrical devices like computers and televisions, these testers evaluate insulation effectiveness and detect flaws, preventing the circulation of defective products.
They play a role in developing new electronic devices and components, testing and enhancing insulation of novel materials and designs, and verifying that new products meet dielectric strength requirements.
The principle involves applying a voltage to measure insulation resistance, thus evaluating an item's insulation. The process involves applying a sinusoidal AC voltage, from hundreds to several kilovolts, to test the material's capacity to withstand high voltages and measure insulation resistance by detecting leakage current, with higher resistance indicating better insulation.
When choosing a dielectric strength tester, consider factors such as:
Select a tester that offers a voltage range suitable for the intended application, especially for high-voltage tests.
Ensure the tester's power supply compatibility with the site's power source, considering AC, DC, and battery-powered models for mobility.
The tester should have a leakage current measurement range that aligns with the test subject's specifications, particularly for low leakage current requirements.
Consider testers with features that enhance usability, such as user-friendly interfaces, data management capabilities, and automated testing processes.
*Including some distributors, etc.
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KingPo Technology Development Limited in Wan Chai, Hong Kong, has been a manufacturer of battery testing machines since 2000. The company is a worldwide exporter of products, including battery testing machines, IP testing equipment, test finger probes, six-axis robots, and plug socket testers. It is ISO-certified and has other technical patents on its products. The company's products are used in automobile manufacturing and electronics to test the functionality of industrial products.
HK LEE HING INDUSTRY CO., LIMITED is a manufacturer of precision metal components, established in 2002 and headquartered in China. The company specializes in producing metal parts, with a portfolio encompassing precision stamping, CNC machining, and sheet metal fabrication. Its products range from connectors and terminals to custom metal components for various industries. It caters to sectors like electronics and automotive, where its precision components are useful to manufacturing processes. The company holds certifications in ISO 9001 and IATF 16949, ensuring the quality of its metal products.
Baoding Push Electric Manufacturing Co., Ltd., founded in 2012 and headquartered in Hebei, China, is a manufacturer of petroleum product test equipment and high-voltage power test equipment. The company's product range includes insulating oil dielectric strength testers, insulating oil trace moisture testers, relay protection testers, cable fault locators, transformer turn ratio testers, and more. These products are used in various fields of the national economy, such as electric power, chemical industry, transportation, construction, agriculture, and more.
Sefelec SAS, headquartered in Lognes, France, is a manufacturer specializing in dielectric strength testing, insulation measurement, and cable testing, established in 1965 and acquired by the Eaton group in 2013. The company specializes in developing, manufacturing, integrating, and marketing products for the aerospace, defense, and rail industries. Its products include hipot testers, dielectrimeters, megohmmeters, and more. The company is ISO 9001:V2015-certified and its products are utilized in safety tests in production, harnesses tests, energy cable testing, and bonding measurement.
Huazheng Electric Manufacturing Baoding Co., Ltd., founded in 2008 and headquartered in China, is a manufacturer of electrical testing equipment. The company specializes in products for electrical power systems and its main categories include precision instruments for testing transformers, circuit breakers, and protective relays. Specific examples of its products include ratio testers, circuit breaker analyzers, relay protection testers, secondary and primary current injection test set. It caters to industries involved in power generation, transmission, and distribution and the applications of its products in these industries encompass ensuring the accuracy of electrical equipment, facilitating efficient power flow, and maintaining system protection.
Guangzhou Zhilitong Electromechanical Co., Ltd, established in 1999, operates as a manufacturer with its headquarters in China, and specializes in the production of testing equipment and lab test machines. The company's product portfolio includes plug and socket test equipment, accessibility test probes, power cord flexibility testers, electrical appliance testers, universal security testing machines, and various related accessories. It caters to industries requiring precise testing, such as electrical appliances and safety equipment. Its products find application in diverse industries by conducting rigorous tests that assess the adherence of products to established safety standards, safeguarding end-users from potential hazards.
Seguridad Eléctrica established 2003, and with its headquarters in Funes, Argentina, stands as a supplier of electrical safety equipment. The company manufactures and distributes of end-of-line tests, standard loads, impact tests, testing laboratories and specialized equipment such as impact pendulums, test chambers, spheres, voltage stabilizers, and it caters to the electrical and industrial sectors mostly. Serving in electrical safety, the company's products find applications in diverse industries, safeguarding personnel and equipment from potential electrical hazards by securing electrical installations and the integrity of electrical insulation.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | KingPo Technology Development Limited |
25.0%
|
| 2 | Sefelec SAS |
25.0%
|
| 3 | HK LEE HING INDUSTRY CO., LIMITED |
12.5%
|
| 4 | Seguridad Eléctrica |
12.5%
|
| 5 | Baoding Push Electrical Manufacturing Co., Ltd. |
8.3%
|
| 6 | Guangzhou zhilitong Electromechanical Co.,Ltd |
8.3%
|
| 7 | HUAZHENG Electric Manufacturing Baoding Co., Ltd. |
8.3%
|
Derivation Method
The ranking is calculated based on the click share within the dielectric strength tester page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
China
|
4 | 50.0% |
Japan
|
2 | 25.0% |
|
France
|
1 | 12.5% |
| Argentina | 1 | 12.5% |
35 products found
35 products
Mori Electron Co., Ltd.
20+ people viewing
Last viewed: 4 hours ago
■Features 1 Ideal for various pressure tests 2 Easy to detect short circuits in electronic components and other voltage proof tests 3-pulse measure...
Mori Electron Co., Ltd.
20+ people viewing
Last viewed: 18 hours ago
■Features 1 Ideal for short-circuit inspection of electronic components, etc. 2 High voltage (3KVDC) large current pulse output 3 A tester that is ...
NAC CORPORATION Co., LTD.
730+ people viewing
Last viewed: 7 hours ago
Shock price. Excellent performance. Stable operation. It is "Popular No. 1 harness multi -tester (high -voltage harness checker)" which has receiv...
15 models listed
Mori Electron Co., Ltd.
20+ people viewing
Last viewed: 4 hours ago
■Features 1 Ideal for various pressure tests 2 High voltage (3KVDC) large current pulse output 3 A tester that is gentle on the measurement target ...
Mori Electron Co., Ltd.
20+ people viewing
Last viewed: 23 hours ago
■Features 1 Current test up to 700A (DC) (1s to 10s) 2 Settings and measurements are easy to operate on the touch panel screen. 3 Measurement resul...
Nippon Technart
430+ people viewing
Last viewed: 13 hours ago
It is a PIC series that can perform both -way automatic tests between pressure and insulation. The test method can be used according to the product...
2 models listed
Keisoku Giken Power Electronics
260+ people viewing
Last viewed: 12 hours ago
Standard Response
An independent test device that anyone can use safely and quickly ■Features ・Lightweight design and caster equipment for easy movement and instal...
3 models listed
Keisoku Giken Power Electronics
250+ people viewing
Last viewed: 17 minutes ago
Standard Response
Ultra high voltage 20kV. Ideal for dielectric strength tests The ultra-high voltage withstand voltage tester (withstand voltage test) 7700 series ...
4 models listed
Ushiyama Denki Co., Ltd.
90+ people viewing
Last viewed: 4 hours ago
■Features of MTP-1 cable multi tester - Inspection conditions such as applied voltage, breaking current, and insulation resistance value are automa...
Cosmotech Co., Ltd.
30+ people viewing
Last viewed: 46 minutes ago
Inspection condition settings can be changed flexibly using a PC. All operations and data processing are automatically controlled by a PC. After m...
Kikusui Electronics Co., Ltd.
210+ people viewing
Last viewed: 3 hours ago
The TOS5300 series is a tester that performs withstand voltage tests and insulation resistance tests, which are among the four tests required to en...
3 models listed
Nidek Advanced Technology Co., Ltd.
20+ people viewing
Last viewed: 19 hours ago
Wide bandgap measurement technology. Insulation and static property inspection equipment can also be constructed. ■Data traceability Can be linked...
Nidek Advanced Technology Co., Ltd.
20+ people viewing
Last viewed: 18 hours ago
Wide bandgap measurement technology. Insulation and static property inspection equipment can also be constructed. ■Data traceability Can be linked...
