... voltage:20mv,30mv,50mv,75mv,100mv and so on2.FL-27 series type shunt,precision class 0.2 Specifications:1A to ... , and 3,000 - 6,000A 2. Standard and non standard ranges 3. Sturdy construction and quality sand blasted finish 4. Portable ... accuracy and current capacity of up to 25,000A. FL-27 2000A