The Professional Specialist of Electric Test Equipment

Rui Du Mechanical and electrical (Shanghai) Co., Ltd. is a professional manufacturer and system solution provider for the global supply of power testing equipment. Rui Du Mechanical and electrical (Shanghai) Co., Ltd. was established in 2014, which focuses on the independent design, development and production of high-voltage power test equipment. The products cover substation transformer, high voltage switch, mutual inductor, lightning arrester, storage battery, cable fault, relay protection, insulation withstand voltage, insulation grounding and oiling equipment, SF6 equipment testing, power generator testing, water cooling equipment testing, instrumentation, spare parts, power quality management. All products of the company have passed international IS09001 quality certification, IEC certification and CE certification.

Rui Du Mechanical and electrical (Shanghai) Co., Ltd. was established in 2014, which focuses on the independent design, development and production of high-voltage power test equipment. The products cover substation transformer, high voltage switch, mutual inductor, lightning arrester, storage battery, cable fault, relay protection, insulation withstand voltage, insulation grounding and oiling equipment, SF6 equipment testing, power generator testing, water cooling equipment testing, instrumentation, spare parts, power quality management. All products of the company have passed international IS09001 quality certification, IEC certification and CE certification.

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Rui Du Mechanical and electrical (Shanghai) Co., Ltd
News
  • Analysis of the reasons why DC resistance testers are trustworthy

    Most of the experienced electricians who have been engaged in the power testing industry for a long time know that it is very important and necessary to perform corresponding DC resistance tests on semi-finished and finished transformers after factory testing, installation, overhaul, and changing of tap switches. Nowadays, the test instruments we use more frequently include DC resistance testers.

    1510-2024
  • Why do we need to test loop resistance? What are the methods for testing loop resistance?

    In the maintenance and fault prevention of power systems, loop resistance testing plays a vital role. This article aims to deeply explore the necessity of loop resistance testing and comprehensively introduce various testing methods to provide professional guidance for the management and maintenance of power equipment.

    1210-2024
  • Insulation Resistance Tester Related Precautions

    With the continuous development of society, the capacity of power equipment is getting larger and larger, so the performance requirements for its insulation part are higher. Some traditional conventional megohmmeters can no longer complete high-requirement insulation tests. Nowadays, the insulation resistance tester is more commonly used. So what should we pay attention to when using this instrument? Let me explain it to you below.

    1110-2024