演示电表J0403

JO403高中演示电表为指针或内磁结构，及测量线路等部分所组成，共有十四个测量档位，使用方便，性能稳定，安全可靠，供学生教学演示实验中作检流计测量微量直流电流及直流电压，直流电阻等演示项目. The model JO402 is comprised of inner magnetic structure and measuring Circuit It has such excellence as esily for usage ,stabriitym safety, and visual for demonstration.It provides14measuring ranges and may serve as galvanometer or measuring instrument of DCA DCV ACA and ACV