FL2 style shunt with rated vated value attached outside

This product is a kind of meter accessory which is used to extend the capacity degree in DC amperemeter of supplying electromagnetism series, its accuray is class 0. 5, rated voltage is lowed to 75mV.

The shunt is made by soldering manganin sheet and brass, and two connection base buttons between two ends; the group outside consists of  electric current base button and the wire jointing; the group inside consists of electron base button, test meter connection, a couple of rated value wire which has isochronous offering with shunt.