[PID CONTROL] REX C100FK02 MAN temperature controller features PID self identification to help regulate heat with stable relay contact output making daily temperature control clearer and easier to manage. [WIDE RANGE] Designed for K type thermocouple input this digital thermostat supports a 0 to 400C measuring range with a clear screen display so readings are easy to view during setup and operation. [RELAY OUTPUT] Built with master relay contact output this controller is suitable for single stage temperature regulation applications where dependable switching and practical heat control are required. [VERSATILE USE] Ideal for vegetable greenhouse domestic water tanks aquarium aquaculture and other temperature controlled systems giving users a practical solution across home and light duty settings. [MODEL DETAILS] Model REX C100FK02 MAN includes PID self identification K type thermocouple input and a compact digital control design and the package includes 1 temperature controller.