• 14-bit Resolution
  • Integrated Cold Temperature Junction
  • Din Rail Mounting
  • Detect Thermocouple Shorts
  • Version Availability



  • K-, J-, N-, T-, S-, R-, and E-Type version availability
  • Programming MAX31855 via SPI interface
  • Possible to read  -270 °C to +1800 °C range (depends on type of Thermocouple)
  • Address configuration supports up to 4 addresses with DIP switches
  • Accuracy ±2°C for K-type thermocouple
  • 24V DC Rated Supply Voltage


  • Supports maximum one unit for single Bus expansion.

Ports & Connections

  • 40 pin board board-to-board connector integrated for expansion
  • Top Hat type Din Rail Mounting
  • 4 x Thermocouple Inputs
  • 1 x Input Power

Additional information

Weight 220 g
Dimensions 113.6 × 45 × 99.6 mm


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