STC9200 Digital Temperature Controller Control range: 50 to 50 C with 0.1 C display resolution for accurate monitoring in commercial or industrial settings. Dual sensor setup: includes two temperature sensors with 2meter cables, enabling precise input for both cooling and defrost functions, improving responsiveness and stability within your automation system. Userfriendly interface: separate user and administrator menus, three LED indicators plus a status indicator, and a clear Celsius LCD display, allowing quick adjustments while keeping operations organized and accessible. Robust output capacity: supports up to 8 A / 220 VAC load for cooling, fan, and defrost, with differential control mode to insure consistent temperature management, suitable for various general refrigeration controller applications. Use scenarios: Commercial reachin refrigerators and display cases requiring precise temperature control and defrost management. Industrial cold storage rooms or warehouses needing stable temperatures with reliable differential control. Vending machines or beverage coolers that require straightforward admin/user access and solid load handling.