DualKmeter Module 13.2 (MAX31855)

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The DualKmeter module 13.2 is a dual-channel K-type temperature measurement module based on the MAX31855KASA. The module has a built-in two-way K-type thermocouple sensor interface, which uses the signal relay to measure the temperature value of the two channels in turn, supporting a measurement range of -200°C to 1350°C, and a measurement accuracy of ±2°C. At the same time, the module also has built-in voltage and signal isolation chips such as the B0505LS-1WR2 and CA-IS3020S, ensuring the stability and safety of the system. In addition, the module has a built-in dial code, which can easily switch different I2C addresses. It can be applied to multiple scenarios such as industrial automation and instrument detection.


  • STM32F030F4P6, a 32-bit microcontroller with Cortex-M0 core
  • MAX31855KASA+T: (14Bit ADC, 0.25°C Resolution, ±2% Accuracy)
  • Supported probe types: Type K - Supports access probe measuring range from -200°C to 1350°C
  • Galvanic isolation
  • Dual-type K thermocouples
  • Dial the code to switch the I2C address (default 0x11)
  • Programming platform: Arduino, UIFlow


Resources Parameters
MCU STM32F030F4P6, a 32-bit microcontroller based on the Cortex-M0 core, 64KB Flash memory and 8KB SRAM
LDO HX6306P332、MD5333
Digital temperature sensor MAX31855KASA+T
Relay AGQ200A4H
Galvanic isolation B0505LS-1WR2、CA-IS3020S
Measure the temperature -270°C至+1800°C
Module operating temperature 0-40°C
Thermocouple type K
Product Size 54-54*13.2mm
Package Size 95*65*25mm
Product Weight 37.2g
Package Weight 65.6g


Package contents

  • 1 x DualKmeter Module 13.2
  • 2 x Type K thermocouples

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