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    Water by Karl Fischer

    Water by Karl Fischer is a classical titration method in chemical analysis. It uses coulometric titration or volumetric titration to determine trace water in samples. It was invented by German chemist Karl Fisher in 1935. Today, the titration is done with Karl Fischer automatic titrator. Weshine® The developed Water by Karl Fischer (KF titrator) introduces the reliable performance, simple operation and space saving design of the compact KF coulometer. The accurate result is 1 ppm to 5% water. Each user can have up to 4 shortcuts + 5 analysis methods. With the Weshine® Water by Karl Fischer, the operator can conduct moisture measurement by pressing the button! Contact us for more details on winding resistance testing of Weshine Water by Karl Fischer.
  • Oil Water Interfacial Tension

    Oil Water Interfacial Tension

    Weshine® Surface Tensiometer for measuring Oil Water Interfacial Tension with CE certificate, high quality and accuracy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Winding Resistance Test of Transformer from Weshine!
  • GC Gas Chromatography

    GC Gas Chromatography

    Weshine® is New Brand and Fast rising in the Electric Area.Relying on High-Quality product and Efficient after-sales service to win the trust of the customers.Weshine is your trusted manufacturer and supplier in China.Our GC Gas Chromatography can help you to do the gas analysis works very well,especially the after-sales service is Excellent.Looking forward to have a good and long partnership with you.
  • Circuit Breaker Timing Test

    Circuit Breaker Timing Test

    Weshine® invented Circuit Breaker Analyzer for Circuit Breaker Timing Test are advanced standalone or PC-controlled instruments for circuit breaker maintenance. Typical application areas of Weshine®'s Circuit Breaker Analyzer for Circuit Breaker Timing Test are medium and high voltage substations at electric power generation, transmission, and factories of switchgear. Also, industrial environments and electric power distribution are suitable application areas for these Circuit Breaker Analyzer for Circuit Breaker Timing Test. Channels provide measuring the displacement of the circuit breaker moving parts, contact wipe, over-travel, rebound, damping time, and average velocity. Even more, the VS-5308C Circuit Breaker Analyzer for Circuit Breaker Timing Test optionally has a built-in micro-ohmmeter. Hence, it provides the main circuit resistance measurement (contact resistance measurement). Weshine® Circuit Breaker Analyzer for Circuit Breaker Timing Test with high quality and accuracy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Circuit Breaker Analyzer for Circuit Breaker Timing Test from Weshine®!
  • Contact Resistance Test of Circuit Breaker

    Contact Resistance Test of Circuit Breaker

    Weshine® invented Contact Resistance Test of Circuit Breaker for circuit breaker test are advanced standalone or PC-controlled instruments for circuit breaker maintenance. Typical application areas of Weshine®'s Contact Resistance Test of Circuit Breaker for circuit breaker test are medium and high voltage substations at electric power generation, transmission, and factories of switchgear. Also, industrial environments and electric power distribution are suitable application areas for Weshine® Contact Resistance Test of Circuit Breaker for circuit breaker test. Weshine® Contact Resistance Test of Circuit Breaker for circuit breaker test with high quality and accuracy, invented and produced according to national standards, complete electric testing solution available. Contact us for more details of Contact Resistance Test of Circuit Breaker for circuit breaker test from Weshine!
  • DC Resistance Test

    DC Resistance Test

    Weshine® Transformer Winding Resistance Tester for Transformer Winding DC Resistance Test with CE certificate, high quality and accuracy, Invented and produced according to national standards, complete electric testing solution available. Contact us for more details of DC Resistance Test from Weshine!
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  • Reviews

  • Application of DC Resistance Tester in practical operation

    ​DC resistance test is an indispensable test item after the transformer is handed over, overhauled and the tap changer is changed. Therefore, it is very important to use a DC resistance tester to test the DC resistance of the transformer. Routine maintenance and good use of the DC resistance tester. The operation is very important for the normal operation of the DC resistance test. Therefore, it is necessary to solve the problems existing in the practical application and management of the DC resistance tester in a timely manner.

  • How to ensure the transportation of DC resistance testers?

    The transformer DC resistance tester is commonly used to measure the DC resistance of large capacity transformers. It is a high-precision stable current power supply and testing part designed as a whole. The testing process is controlled by a microcomputer and automatically completes stable current judgment, data acquisition, data processing, resistance value display and printing. This instrument can complete the longitudinal test of the on load voltage regulator with one power supply, fully saving test time.

  • Development status and trends of integrated substation automation

    The substation is an indispensable and important link in the power system. It is responsible for the heavy tasks of power conversion and power redistribution, and plays a decisive role in the economic operation of the power grid. In order to improve the stable operation level of substations, reduce operation and maintenance costs, improve economic benefits, and provide high-quality electric energy services to users, comprehensive automation technology for substations has begun to emerge and has been widely used.

  • What is High Potential Ability Test (HIPOT)?

    Voltage withstand test is the abbreviation for high potential (high voltage) test, also known as insulation voltage withstand test. Hipot testing checks for 'good isolation'. The Hilbert test ensures that no current flows from one point to another. The Hilbert test is the opposite of the continuity test. The continuity test checks whether the current easily flows from one point to another, while the Hipot test checks the guarantee that the current will not flow from one point to another (and adjusts the voltage very high to ensure that no current flows)

  • What Is a Voltage Withstand Test and Why Is It Critical for Electrical Safety

    A Voltage Withstand Test, often referred to as a dielectric strength test or hi-pot test, is a fundamental procedure used to verify the electrical insulation integrity of equipment, components, and systems. This comprehensive guide explains what a voltage withstand test is, how it works, why it is essential for electrical safety, and how manufacturers such as Weshine apply it to meet global compliance standards. The article also covers test procedures, standards, common failures, comparison with related tests, and best practices, helping engineers, quality managers, and procurement professionals make informed decisions.

  • Transformer Short Circuit Impedance Tester: How to Detect Winding Deformation Before Failure

    Transformer short circuit impedance tester serves as a core diagnostic method to spot hidden winding deformation. This article elaborates on the working principle, testing procedures, advantages of modern portable testers, applicable scenarios and matched auxiliary detection items. It also analyzes the drawbacks of traditional testing equipment and provides standardized field operation steps, helping maintenance staff conduct comprehensive transformer condition assessment and avoid severe equipment failures in advance.

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