... nominal voltage below 500KV, included auxiliary DC electrical devices) in power generation, substation, transmission, distribution and building electrical equipments. FEATURES: Fulfilling ... with backlights, alarm, time display, auto power offPower supply ways: dry batteries, rechargeable batteries and external power sourceSPECIFICATIONS:FunctionF1627KitAccuracy3-pole & 4-pole0.1 ...