Contact resistance testing is a vital method for ensuring the efficient and safe operation of transformers. By assessing the state of electrical connections, potential issues can be identified in a timely manner. This article will explore the key applications of contact resistance testing in the daily maintenance of transformers.

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.

Last month we received an order from Nigeria for the RDHL-200H Loop Resistance Tester (DC 50A,100A,150A,200A)

Rui Du Mechanical and electrical (Shanghai) Co., Ltd. Has cooperated with a client from Turkey successfully, though facing kinds of obstacles from COVID-19 epidemic. Now the equipment has been produced and successfully arrange the shipment by air.