... measuring problems of low coupling coefficient, transformer's turn ratio and turn number with more precise ... transformer tester : ModelSS3250SS3252/3302Main functionstransformer Auto. analyzertransformer Auto. analyzer + LCR meterAnalyse parameterTransformer Auto. Meas.Turn ratio , Phase ... L , L.K , C , Z , X , Y , R ,Q , D , θ80Meas./SDCR50Meas./STurn10Meas./SJudgement wayTransformer Auto. Meas.the ...