Jetec TKF-12 相序測試器安裝指南
PHASE SEQUENCE TESTER JTKF-12 PHASE SEQUENCE AND MOTOR ROTATION TESTER JTKF-13 The unique TKF-12 & TKF-13 testers has been designed for checking triple phase power installations in the wide range of the phase-phase voltage between 100V to 690V in distribution…