Red Lion Thermostat, 3 Relay 85...250 VAC

PID feedback controller with self-optimisation for heating and/or cooling. Optionally as continuous controller and/or with 2 alarm outputs. Input for thermocouples and Pt100 or process signals. 2 indicators for set and actual values. Simple programming via keypad or software. Continuous output programmable as control output or input signal repeater. Relay outputs programmable as normally open or normally closed. Version with 1 digital control input, programmable.