... meter has the merits of displaying accurately and clearly, digital dialer setting conveniently, high control accuracy, ... in metallurgy, machinery, power supply, chemical engineering, light industry, mine, medical treatment and so forth, to act ... , 220V, 360V/50Hz, direct current 12V, 24V.Power consumption≤4.5VAOperating environmenttemperature -5°c~40°c, relative ... including3,4,13) JS Series Digital Timer