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WisBlock MAX31865 with PT100 Temperature Sensor Module – RAK12022

The RAK12022 PT100 Temperature Sensor Module is based on the MAX31865 resistance-to-digital converter, optimized for platinum resistance temperature detectors (RTDs). Supporting 2-, 3-, and 4-wire PT100 sensors via an SPI interface, it provides a highly accurate solution for industrial and medical temperature measurement applications.

SKU: 110189

30,90 €

excl. 19% VAT plus Shipping Costs

Product Description Technical Details

The RAK12022 PT100 Sensor Module, part of the WisBlock Sensor Series, adds an industrial-grade temperature measurement solution to your IoT projects. Powered by the MAX31865 resistance-to-digital converter, it converts RTD resistance values into digital data through a high-precision delta-sigma ADC.

The module includes fully differential VREF inputs and protection against overvoltage up to 45 V, ensuring durability and reliability in demanding environments. It also features programmable detection for open and short-circuited RTD leads, making it suitable for safety-critical applications.

With a 15-bit resolution, a nominal temperature resolution of 0.03125 °C, and a total accuracy of ±0.5 °C (0.05% of full scale), it delivers precise results. A maximum conversion time of 21 ms makes it ideal for real-time monitoring.

The RAK12022 can be ordered with a PT100 sensor included or as a standalone module for use with your own RTDs.

Typical Applications:

  • Industrial temperature monitoring

  • Medical equipment and laboratory instruments

  • Precision instrumentation

  • IoT and Smart Industry solutions

Specification Details
Module RAK12022 – PT100 Temperature Sensor Module with MAX31865
Chipset MAX31865 Resistance-to-Digital Converter
Sensor Compatibility 2-, 3-, and 4-wire PT100 sensors
Interface SPI-compatible
ADC Resolution 15-bit; nominal resolution 0.03125 °C
Accuracy ±0.5 °C max. (0.05% of full scale)
Special Features Overvoltage protection up to 45 V; open/short detection; fully differential VREF inputs
Conversion Time Max. 21 ms<

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