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China Grounding Down-lead Tester Manufacturers, Suppliers, Factory

The client satisfaction is our primary concentrate on. We uphold a consistent level of professionalism, top quality, credibility and service for Grounding Down-lead Tester,Grounding Down Lead Conduction Tester,Grounding Down Lead Continuity Tester,Continuity Tester of Ground Down Lead, To significantly improve our assistance quality, our company imports a large number of international advanced devices. Welcome clients from your home and abroad to simply call and inquire!
Grounding Down-lead Tester, Further, we're supported by highly experienced and knowledgeable professionals, who have immense expertise in their respective domain. These professionals work in close coordination with each other to provide our clients an effective range of products and solutions.

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  • What is the open circuit voltage test?

    ​A measurement method called the open circuit voltage test is used to find the voltage that a transformer produces across its terminals when there is no load on it. There is no electricity flowing through the transformer during this test since the secondary winding is left open. Next, a voltage source equal to the transformer's rated voltage energizes the primary winding.

  • Evaluation of the voltage withstand capability of electrical equipment insulation.

    ​A technical means to test and evaluate the insulation withstand voltage capability of electrical equipment. Insulation structures need to be used to isolate the live parts of all electrical equipment from the grounded parts, or from other non-equipotential live bodies, to ensure the normal operation of the equipment.

  • 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.

  • Maintenance power of transformer tester

    ​The magnetic flux of the transformer tester's iron core is related to the applied voltage. Transformer testers should be kept away from strong electric fields, magnetic fields, and high-frequency equipment. The smaller the interference of the power supply, the better. It is advisable to choose lighting lines. Assuming that the power interference is still significant, the instrument can be powered by a communication purification power supply with a capacity greater than 200VA.

  • What current is generally selected for a transformer DC resistance tester?

    ​The DC resistance test of transformer windings is an indispensable test item for transformers after handover, overhaul, and change of tap changer. Under normal circumstances, measuring the DC resistance of transformer windings and high-power inductive equipment using traditional methods is a time-consuming and labor-intensive task. To change this situation, shorten measurement time, and reduce the workload of testers, a transformer DC resistance tester can be used.

  • The difference between current transformers and voltage transformers

    ​1. A transformer that converts high values of current into low values is called a current transformer, while a transformer that converts high values of voltage into low values is called a voltage transformer.

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