WAGO-Frequency-Measuring-Transducer-Wago-857-500-p-The-WAGO-Frequency-Measuring-Transducer-has-a-frequency-that-collects-0-1Hz-to-120-kHz-signals-from-NAMUR-NPN-or-PNP-sensors-and-converts-the-frequencies-into-analogue-standard-signals-Safe…View more