Phase Squence Tester
DER EE Electrical Instrument (DER EE Electrical Instrument)
Measurement Range3 phase check for AC 90V ~ AC 600V (Sine Wave) Operation Frequency45Hz ~ 70Hz Test Time LimitationAC 110V(continuous)AC 220V(3 hours)AC 480V(12 minutes)AC 600V(3 minutes) Power Supplyno battery required Color change LED phase direction indication
