4-20mA Isolator Passes HART Signal Monitor Four Variables with SPA HART Alarm Prevent False Shutdowns "Break Out" an Analog Signal for Another Location Multi-Level Alarming for a Single Process Variable Monitor the "Health" of Your HART Instrument Digital Signal Unaffected by Analog Errors Safeguard Expensive I/O Cards from Overloading HART pH Transmitter Interface to Control Room DCS Reads HART Signal as Interface Getting HART Data to HMIs, Workstations, and Historical Analysis Software