Grove - 1-Wire Thermocouple Amplifier (MAX31850K)

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  • Seeed-101020555
  • 101020555
The Grove - 1-Wire Thermocouple Amplifier (MAX31850K) is a thermocouple-to-digital converters... more
Product information "Grove - 1-Wire Thermocouple Amplifier (MAX31850K)"

The Grove - 1-Wire Thermocouple Amplifier (MAX31850K) is a thermocouple-to-digital converters with 14-bit resolution and cold-junction compensation. This module is designed to be used in conjunction with a k-type thermocouple. The thermocouples have a much larger measurement range than thermistors. For example, this k-type thermocouple on our website has a measurement range of -50? to +600?.

This module is based on the MAX31850K, which integrates amplifier, ADC and 64-bit ROM. Thanks to the 64-bit ROM, each device has a unique 64-bit serial code, which allows multiple units to function on the same 1-Wire bus. Therefore, it is simple to use one microcontroller (the master device) to monitor temperature from many thermocouples distributed over a large area.

Again, this module can't work alone, it must work with a k-type thermocouple.

Features

  • Integrated Cold-Junction Compensation
  • Wide Conversion Range: allow readings from -270? to +1768?
  • 14-Bit, 0.25? Resolution
  • Will not work with any other kind of thermocouple except K type
  • Detects Thermocouple Shorts to GND or VDD
  • Detects Open Thermocouple

Typical Applications

  • Medical
  • Appliances
  • Industrial
  • HVAC(Heating, Ventilation and Air Conditioning)

Pin Out

Assembly drawing

Attention:

Usually the positive pole of the K-type thermocouple is red and the negative is light white, but we can't guarantee that all K-type thermocouples are like this. So the above diagram is only for the K-type thermocouple.        

Technical Details

Dimensions 40mm x 20mm x 18mm
Battery Exclude
Operating Voltage 3.3V / 5V
Temperature Resolution 14 bits
Temperature Accuracy ± 2?
Operating Temperature Range -40? to +125?
Storage Temperature Range -65? to +150?
Allow Readings Range -270? to +1768?
Input Jack DIP Female Blue-2Pin
Output Interface 1-Wire bus

Part List

Grove - 1-Wire Themocouple Amplifier (MAX31850K) 1
Grove Cable 1
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