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인증된 전문가에게 직접 연결
인증된 전문가에게 직접 연결
Product feature: Contact way by LED and buzzer
Function: Check the state of open phase and phase sequence
Voltage range: 200~480V
Measuring frequency range: 20-400Hz
Test cable length: 1m
Product dimension: 98*58*23mm
Weight: 132g
Batteries: Without the use of batteries
