Frequency Input

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Contrec 103D Field Mounted Rate Totaliser - DC Powered
Contrec 104D Field Mounting Rate Totaliser - Loop Powered
Contrec 505 – FO01 Open Channel Flow Computer, Tailored for Frequency Flow Meters
Contrec 515-OC01 Open Channel Flow Computer for Frequency Flow Meter and Analog Level Sensors
NEW! Contrec 515 – AI01 Additive Injection Controller