Core Features Ultra-Precise Multi-Mode Control: Adopts advanced 3-mode PID control (with auto-tuning, self-adaptive tuning, and manual fine-tuning) and supports on/off control, 16-segment program control, and ratio control. Compatible with a wide range of industrial sensors: thermocouple (K/J/T/R/S/B/E/N/U/L), RTD (Pt100/Pt1000, 2-wire/3-wire/4-wire), and analog input (4-20mA/0-10V). Temperature control deviation is within ±0.1% FS ±1 digit, ensuring stable temperature regulation even for processes with large heat inertia (e.g., large-scale reaction kettles, high-temperature furnaces). Intelligent Operation & Visualization: Equipped with a high-contrast dual-color LED 4-digit display (red for measured value, green for set value) with backlight, ensuring clear visibility in dim or strong-light industrial environments. The 4-key (Set/Shift/Up/Down) operation panel + password-protected hierarchical menu simplifies parameter setting (control parameters, program curves, alarm thresholds) and prevents misoperation. Supports data storage of up to 10 sets of control parameter groups, enabling quick switching between different production recipes. Robust & Compact Design: Standard 48×48mm (1/16 DIN) panel-mount size, saving installation space in control cabinets. The front panel meets IP66 protection rating (dust-tight, water jet-resistant), and the main unit is designed to resist industrial vibrations (complying with IEC 60068-2-6) and oil mist. Operating temperature range: -10°C to 55°C; relative humidity: 30-85% non-condensing, adapting to harsh workshop conditions (e.g., chemical plants, metal processing workshops). Flexible Output & Comprehensive Protection: The 1W100 module provides configurable outputs: 1 set of relay output (SPDT, AC250V 5A) for driving contactors/heaters, 1 set of SSR/SSC drive output (DC3-32V, 20mA max) for high-frequency switching, and optional analog output (4-20mA/0-10V) for proportional control. Built-in 3-channel configurable alarms (over-temperature/under-temperature/sensor fault/deviation/Program end) and multiple protections: sensor open/short circuit detection, power-off memory (retains parameters and program progress), overcurrent protection for outputs, and surge protection (IEC 61000-4-5), effectively safeguarding equipment and production safety. Efficient System Integration: Optional RS-485/RS-232 communication interface (compatible with Modbus RTU/ASCII protocol) for seamless connection to PLCs, SCADA systems, HMIs, or data loggers, enabling remote monitoring, parameter modification, and historical data tracing. The terminal block adopts a spring-loaded design, simplifying wiring and reducing on-site installation time; supports common industrial wiring standards (single-ended/differential input), enhancing compatibility with existing systems. Typical Applications Chemical & Pharmaceutical Industry: Temperature control for large-scale reaction kettles (16-segment program control to match multi-stage chemical reactions, e.g., heating, insulation, cooling), pharmaceutical freeze-drying machines (precise low-temperature control to retain drug activity), and chemical material mixing tanks (stable temperature to ensure uniform material properties). Metal Processing & Heat Treatment: Temperature regulation for medium-sized heat treatment furnaces (annealing, quenching, tempering with multi-stage temperature holding), welding preheating equipment (constant temperature control to reduce weld stress), and metal casting molds (stable temperature to improve casting accuracy and reduce defects). Food & Beverage Processing: Temperature management for large baking ovens (16-segment program control for dough proofing, high-temperature baking, and slow cooling), dairy product sterilization lines (accurate maintenance of UHT sterilization temperature), and beverage fermentation tanks (stable low-temperature control to ensure fermentation flavor). Electronic & Semiconductor Manufacturing: Temperature control for PCB wave soldering machines (local heating zone stabilization to ensure solder joint quality), semiconductor wafer processing equipment (high-precision temperature control within ±0.1°C to meet process requirements), and electronic component reliability test chambers (temperature cycling control for product durability verification). Laboratory & Precision Equipment: Temperature regulation for laboratory high-precision incubators (constant temperature control for cell culture), environmental test chambers (simulating extreme temperature conditions for product testing), and small-scale pilot test reactors (precise temperature control to optimize reaction processes).