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[The problems and solutions of the leakage current checking in medical electrical equipments].

It is an important safety checking item to check leakage current of medical electric equipments. In the national standard, there are definite and strict stipulations for the leakage current-checking and the checkers. But this important checking is often misrepresented with general current measurements. So the checking is not up to the standard and the results are not dependable. In this paper, the special demands for the checking and the key technique of the checkers have been expounded in detail.