MAX6675MAX6675 is a cold junction compensation, linearity correction, thermocouple break detection ADC Serial Ktype thermocouple, its temperature resolution capability is 0. 25 Degree, cold junction compensation range 20 ~ + 80 Degree, wide operating voltage range 3. 0~5. 5V.Compact designOperating voltage: 3. 0~5. 5V, Internal integrated cold junction compensation circuit, With a simple three serial interface.High performanceUsing SPI 3 wire communication, Ktype temperature probe, type K temperature range 0800 degrees.< ResolutionsTemperature signal can be converted into 12bit digital.Temperature resolution of: 0. 25 degrees. Cold junction compensation range: 20 ~ + 80 Degree, embedded thermocouple break detection circuitry.Operating voltage: 3. 0~5. 5VKtype temperature probeType K temperature range 0800 degreesPacket Contains:2pcs x MAX6675 Module + K Type Thermocouple Temperature Sensor Degrees Module