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GH-7003 high voltage CT ratio Tester, our company has developed a low pressure ratio tester for current transformer is designed for high voltage metering user a new inspection equipment. It can constantly, does not change the case 35KV and below the measurement device with variable ratio and polarity of current transformers, so as to effectively prevent high voltage metering user replace the HV and LV current transformers or transformer nameplate polar reaches fewer billing and changing the second line of the acts to steal electric. High and low voltage CT ratio Tester is simple to use, easy to carry, high safety factor, is rare electrical inspectors testing tool.