UMA Ammeters are rugged and reliable instruments for measuring the current within the aircraft's electrical system. For easy of installation, UMA Amp meters use an external shunt to make current measurements. This version (EDMO# 15-260-100) is 2-1/4 inch, has a black & white dial with post terminal, measures -100A to 100A, air-core movement, and a 1CU4 shunt.
