Shunts ( shunts, current shunt , dc shunt, dc ammeter ):the dc ammeter should match with the shunt outside or with the int. shun Shunts ( shunts , current shunt , dc shunt ) 1.item: FL2 shunt 2.types : 75MV / 50A , 80A , 100A , 500A , 750A , 1500A , 2000A etc. 3.using: the shunt should match with the dc ammeter