Item Type: Digital Temperature Meter_x000D_Model: REX-C400FK02-V x DA_x000D_Material: Plastic_x000D_Purpose: Used to detect temperature_x000D_Panel Size: Approx. 48 x 96mm / 1.9 x 3.8in_x000D_Installation Hole Size: Approx. 45 x 92mm / 1.8 x 3.6in_x000D_Operating Voltage: 220VAC, 50Hz/60Hz_x000D_Temperature Range: 1~999(), note: The factory setting value of the product is 400 (adjustable up to 999)_x000D_Temperature Control Accuracy: 1.0_x000D_Control Method: PID control and self-tuning control_x000D_Working Environment: 0-50, Relative Humidity: 30%~85%RH_x000D_Input Method: K type_x000D_Output Mode: Relay (RELAY)_x000D_Installation Form: Buckle 1Using intelligent PID control and self?tuning control, stable and durable to operate 2Removable shell design, simple and detachable shell, convenient for maintenance and installation 3Flame?retardant housing and high?conductivity silver contacts provide safe and stable operation 4With high?accuracy chip, SMT chip technology, high sensitivity, stable and reliable, accurate temperature measurement 5The screen panel is clear to display which can make sure the accuracy of readings 1 x Thermostat 2 x Buckle 1 x User Manual 1. Check whether the meter indexing number specification and power supply voltage are the same as the meter _x000D_2. Check whether the wiring diagram is correct _x000D_3. For the thermocouple input signal, please use the compensation wire of the same material as the thermocouple wire _x000D_4. Pay special attention to the power input line and the sensor signal input line not to be confused and connected incorrectly, otherwise the entire instrument is burned out and scrapped and cannot be repaired