由其分销商提供的 Gossen Metrawatt M630G 的描述。
Gossen Metrawatt M630G Metravolt 12 D+L Voltage Tester Phase/Sequence IP65
Voltage, resistance and continuity tester with phase, polarity and phase sequence testing (CAT IV 600 V) ... 1200 V
METRAVOLT12D+L Voltage/Continuity Tester