Feature: 1. [Detachable Shell Design] Made of ABS material, with simple detachable shell design, convenient maintenance, safe and reliable. 2. [PID Control] This intelligent temperature controller, with PID control adjustment, alarm switch, multiple input methods. 3. [Multifunctional] With solid state output, relay output, two major output functions, powerful output functions. 4. [High Accuracy] The core of the high accuracy chip temperature controller, accurate temperature control, high sensitivity. 5. [Widely Application] This intelligent temperature controller is widely used in a variety of situations, such as industry, buildings, plant equipment, etc. Specification: Item Type: Thermostat Model: REX-C900FK02-M*ANMaterial: ABS Application: Temperature control of industry, building, plant and equipment Working Voltage: 100V-240V 50HZ/60HZ Working Power Supply: 220V~±10%50HZ Power Consumption: 4W Panel Size: Approx. 96 x 96 mm / 3.8 x 3.8 in Installation Hole Size: Approx. 92 x 92 mm / 3.6 x 3.6 in with PID self setting function Input Signal: K/J/S/PT100, etc. (the factory setting is K, other input signals can be adjusted by referring to the manual) Temperature Range: 0~1372℃ (factory setting is 400℃, the highest can be adjusted to 1372℃) Main Control Output: Relay output (RELAY/M) Alarm Range: Free setting of full range Measurement Error: 1%+1 word, 0.5%±1 word, 0.2%±1 word, three gears Additional Cold Junction Compensation Error: Within the range of 0~50℃, ≤±2℃, temperature coefficient ≤0.05%/℃ Relay Output Contact Capacity: 3A/220V, resistive or specified Thyristor Trigger Signal: 15/40μS or rated 100mA, instantaneous IA (self triggering) Solid State Relay Output Signal: 15±3V/3 0mA Working Environment: 0~50℃, relative humidity 35%-85%RH, non corrosive and no strong electromagnetic field radiation. Package List: 1 x Thermostat2 x Retaining Clip1 x Manual Note: It is used in places with relative humidity 35%~85%RH, non corrosive and no strong electromagnetic field radiation.