Manufacturer of measuring or testing instruments for transformer. Our primary products contains: JYR 变压器直流电阻测试仪 JYR Transformer Direct-current Electric Resistance Measuring Instrument JYD-10 接地引下线导通测试仪 JYD-10 Ground Continuity Measuring Instrument JYC 全自动变频抗干扰介质损耗测试仪 JYC Full-automatic Frequency Conversion Anti-interference Dielectric Loss Measuring Instrument JYT 变压器变比测试仪 JYT Transformer Turns Ratio Measuring Instrument JYL 回路电阻测试仪 JYL Circuit Resistance Measuring Instrument JYK-I 变压器有载分接开关参数测试仪 JYK-I Transformer On-load Tap-changer Parameter Measuring Instrument JY661 系列油耐压测试仪 JY661 Oil Breakdown Voltage Measuring Instrument Series JY6601 油介损测试仪 JY6601 Oil Dielectric Loss Measuring Instrument JYW6100 变压器空负载特性测试仪 JYW6100 Transformer No-load Characteristics Measuring Instrument