Model SPA2 provides on/off control and emergency shutdown by sending up to four relay outputs when a monitored process signal falls outside of a limit selected by a user. The programmable current/voltage and RTD/thermocouple limit alarm trips accept input signals from transmitters, temperature sensors, resistance and potentiometer devices, and direct millivolt sources. It has 20-bit input resolution; long-term stability; and a metal, RFI-resistant DIN-mount housing.
Moore Industries-International Inc.
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