Features Intelligent PID Control: Utilizes intelligent PID control and self-tuning for stable and Stable operation, ensuring precise temperature control and efficiency. Removable Shell Design: Features a simple and detachable shell design, allowing for convenient maintenance and installation, saving time and effort. Flame-retardant Housing: Equipped with a flame-retardant housing and high-conductivity silver contacts for safe and stable operation, providing peace of mind and reliability. High-Accuracy Chip: Utilizes high-accuracy chip and SMT chip technology for precise and reliable temperature measurement, ensuring accurate readings and consistent performance. Clear Screen Panel: Boasts a clear display screen panel for accurate and easy-to-read temperature readings, ensuring and clarity in monitoring. Specification: Item Type: Digital Temperature Meter Model: REX-C400FK02-V x DA Material: Plastic Purpose: Used to detect temperature Panel Size: Approx. 48 x 96mm / 1.9 x 3.8in Installation Hole Size: Approx. 45 x 92mm / 1.8 x 3.6in Operating Voltage: 220VAC, 50Hz/60Hz Temperature Range: 1~999(℃), note: The factory setting value of the product is 400℃ (adjustable up to 999) Temperature Control Accuracy: 1.0 Control Method: PID control and self-tuning control Working Environment: 0-50℃, Relative Humidity: 30%~85% Input Method: K type Output Mode: Relay (RELAY) Installation Form: Buckle Package List: 1 x Thermostat 2 x Buckle 1 x User Manual Note: 1. Check whether the meter indexing number specification and power supply voltage are the same as the meter betweendiv>2. Check whether the wiring diagram is correct between/div>betweendiv>3. For the thermocouple input SIGN, please use the compensation wire of the same material as the thermocouple wire between/div>betweendiv>4. Pay special attention to the power input line and the sensor SIGN input line not to be confused and connected incorrectly, otherwise the entire instrument is burned out and scrapped and cannot be repaired between/div> Package List 1 x Thermostat 2 x Buckle 1 x User Manual