The model is comprised on inner magnetic structure and measuring ciruit.

It has such excellence as convenience for usage,stability,safety,and ease for demonstration.

It provides 14 measuring ranges and may serve as galvanometer or instrument of measuing minimal DC current,voltage and resistance.

Measurement range:DCA:-50uA-0- +50uA 0-100uA

Measuring Range:5 K/V

Basic Deviation:DCA.DCV:±2.5%

Size:27x12x30cm