By the transmitter, the resistance signal of thermal resistance can be converted into a 4-20 mA current signal, convenient for use with computers. Sensor: Pt100. Measuring range: -50 to 100 degrees. Output: 4-20 mA. Operating voltage: DC 24V. Accuracy: ±0.2%. Due to different production batches, the colors of the silk screen printing on the products may vary randomly and cannot be specified. Color: Blue. Material: Plastic + Metal. Size: 45mm diameter (1.77 inches). Package Contents: 1 x Temperature Transmitter, 2 x Screws. Only the items listed are included; other products are not included. Note: Lighting effects and display differences may cause slight variations in color between the image and the actual item. Measurement error allowance: ±1-3cm.