... years manufacture experience 3.Exported all over the world 1.Standard type:1.FL-2 series type shunt ,precision class 0.5 Specifications ... ,precision class 0.2 Specifications:1A-4000A Secondary voltage:20mv,30mv,50mv,75mv,100mv and so on .3.FL-21 series export type ... shunt,precision class 0.5 Specifications:1A-6000A Secondary voltage:20mv ...