Datexel Isolated converter Frequency to Analog Signal - DAT4540 T Frequency Converter, Analog Output, Highly Accurate The isolated frequency converter DAT 4540 is able to measure, up to 20 KHz, the frequency of TTL, Namur, NPN, PNP and Tachometer...

Datexel Frequency Converter Trip Amplifier with Relay Output - DAT4540 R Double optional trip alarm, Configurable by Dip-switch or PC, Galvanic insulation, EMC compliant – CE mark - High Quality The isolated frequency converter DAT 4540 is able...