CJMCU-MAX31856 performs cold-junction compensation and digitizes the signal from any type of thermocouple. The output data is formatted in degrees Celsius. Provides high precision thermocouple temperature readings. Includes automatic linear correction for 8 thermocouple types. 0.15% (Max., -20C to + 85C) thermocouple full scale and linear error. 19-bit 0.0078125C thermocouple temperature resolution. Internal cold end compensation minimizes system components. 0.7C (maximum, -20C to + 85C) cold end. 45V input protection provides stable system performance. Simplify system fault management and troubleshooting. Detect open circuit thermocouples. Overheat and low temperature fault detection. 50Hz / 60Hz noise suppression filtering improves system performance. Colour: Material: PCB Package Contents: 1 x MAX31856 Thermocouple Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.