One of the factors that causes the proper functioning of protection systems is the correct design of the earthing system, including protective earthing, operational earthing, lightning arrester earthing system, etc., according to the relevant standards and the implementation of the equipotentialization system. After going through this stage, in line with proper implementation and monitoring and maintenance, always measure the resistance of the earth systems and check the connection of the equipotential system of the site, especially when it is not possible to separate the earth or the possibility of knocking the auxiliary electrodes according to If the conditions of the project do not exist, it is one of the concerns of the users. \r\n\r\nRetonac Shaya company, as the exclusive representative of the Polish Sonel company, offers a variety of art testers with different capabilities in accordance with the latest measurement methods. \r \nAlso, this company provides technical services such as training in various measurement methods in accordance with today's standards.
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