REX-C400 PID Digital Temperature Controller — SSR Output, K Thermocouple, 40A SSR Relay, Easy Installation

Compact PID thermostat REX-C400 with SSR output and K Thermocouple input for precise temperature management. Features two relays so you can toggle between heating and cooling modes and displays readings in °F/°C. Bright, easy-to-read display is housed in a durable plastic case with a built-in hanging tab; handy LED indicators show cooling and power status even in low light. Temperature is controlled by configuring a set value (setpoint) and a difference value (hysteresis) for stable operation. Includes refrigerating control output delay protection and a temperature calibration function. Suitable for refrigeration, fermentation, greenhouse fans and other applications requiring reliable temperature regulation.