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Which brand of relay protection tester is good?
The first echelon brands of Jibaoyi domestic brands are Beijing Bodan and Guangzhou Li Ang, which are widely used in the national grid maintenance team and are also special brands for the national grid relay protection competition. They are recognized as stable and reliable, and their prices are the highest. The second echelon brands are mainly Wuhan Haomai and Shenzhen Kaixuan, with poor accuracy and stability. The rest are all other brands, with poor quality and deviation in test values, especially after 1 year. . Basically the same parameters, the difference between the three grades is 20,000-30,000 yuan, roughly. . . . Another point is that the choice depends on your actual use needs. .
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