... 80Features:Measuring the alternative current with frequency ranging from 15Hz to 100Hz, these meters indicate true RMS values and are ... ModelNameSpecificationPrimary CT(A) AccuracySFT-80AC AmmeterFrom 10A,15A,20A,30A... to 3000A,5000AWithext.c/t 1A or 5AClass 1.5From 0 ... 3P3W,3P4WClass 1.5We manufacture and provide AC/DC analog ammeter, AC/DC analog voltmeter, AC/DC digital panel meters. Welcome your ...