This temperature sensor and module makes use of the Maxim MAX6675 K-Thermocouple to digital converter IC to provide a microcontroller compatible digital serial interface (SPI compatible) to provide accurate temperature compensated measurement of the supplied K-Type thermocouple sensor. It has a 12 bit resolution providing temperature readings from 0°C to 1024°C (max temperature of supplied sensor is 450°C) with a resolution of 0.25°C. Screw terminals allow for connection to the thermocouples spade connectors and a 5 pin standard 0.1″ header provides an interface to a microcontroller such as an Arduino development board.

Supplied thermocouple sensor has a diameter of 4.5mm with a 6mm threaded mounting bolt. Total length of sensor including cable and spade connectors is ~100cm.

Specifications:

• Thermocouple temperature range: 0 to 450 °C
• Module sensor temperature range (°C): 0 to 1024
• Temperature resolution (°C): 0.25
• Module supply voltage: 3 to 5.5 V
• Module current: 50mA
• Module interface: Serial (SO, SCK, CS) 16 bit SPI compatible
• Termocouple accuracy (0-700°C): 8 LSBs
• Termocouple disconnect detection