Features Comes with a 2‑pin terminal block (for connecting to a thermocouple) and a header (for inserting any breadboard or perforated board). High‑quality amplifier with cold compensation reference, suitable for sensitive thermocouples. Thermocouple module, used to detect the temperature difference between the hot and cold ends. The distributor plate has a chip, and a 3.3V regulator with a 10uF bypass capacitor and a level conversion circuit. Adopt for S-P-I interface, high‑speeds transmission. The measuring temperature range is ‑200℃ ‑ +1350℃, 0.25℃ high accuracy, reliable use. Specification: Item Type: Thermocouple Module Material: PCB Purpose: Detect the temperature difference between the hot and cold ends Measuring Temperature Range: -200℃ - +1350℃ Interface Type: Adopt for S-P-I interface, high-speeds transmission Working Voltage: 3-5VDC Resolution: 14-bit resolution Accuracy: 0.25℃ Package List: 1 x Thermocouple Module  1 x Terminal  1 x Pin Header Package List 1 x Thermocouple Module 1 x Terminal 1 x Pin Header