With the battery-operated device tester ST 710 mobile, simple and economical tests can be done on electrical devices/ resources, such as electrical equipment/tools with on/off-switch, heating devices, motor devices, lamps, cord reels, multiple distributors and household appliances in accordance with DIN VDE 0701-0702, BGV A3, OeVE/ OeNORM E 8701, NEN 3140. The ground wire/contact current is measured with the leakage current method.Performance characteristics: Easy (operation via three keys), fast (complete testing within 10 sec) · Mobile (testing can be done independent of the power supply) · For devices of the class I, II (III), extension and network cable with rubber connectors with good/poor evaluation.This text is machine translated.