... 60HZ. 4.CE certificate AC frequency transducer YDD-F: Function & Feature As the leading product in market ... , YDD-F Series FrequencyTransducer adopts SCM as the core with ... of frequency in AC circuit. Model Description YDD-F-input-power-frequency-outputFFrequency Transducer (AC) Input(AC ... O2:15V,O3:020mA,O4:420mA, Example YDD-F-V2-P2-F1-O4 YDD series frequency transducerInput ...