The model is comprised of inner magnetic structure and measuring circuit.

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

It provides 14 measuring ranges and may serve as galvanoneter of measuring instrument of DCA,DCV,ACA and ACV.

Measurement range:DCA:-500uA~0~+500ua

0-10-100Ma-1-5A DCV:0-5-10V ACA:0-10-100Ma-1-5A ACV:0-10-50-250V

Basic Deviation:±2.5%

Damp Time:6S

Size:27x12x30cm