新 TTRU3 True three-phase transformer turns ratio tester Megger's TTRU3 guarantees a transformer turns ratio accuracy of ±0.05 % 探索
新 TTRU1 handheld transformer turns ratiometer Handheld, battery-operated transformer turns ratiometer 探索
新 OTS PB and OTS AF series of insulating oil test sets Fully automatic insulating oil dielectric breakdown testers 探索
新 MWA300 and MWA330A three-phase ratio and winding resistance analysers Combines TTR and resistance testing in one unit 探索