Description
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, if you do not have one, you can consider Thermocouple Temperature Sensor K Type-1M in our bazaar.
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 purchased from our website. If your K-type thermocouple is obtained from other places, you need to use other methods to judge the positive and negative.
Technical Details
| Dimensions | 40mm x 20mm x 18mm |
| Weight | G.W 11.10g N.W 4.90g |
| 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 |
ECCN/HTS
| ECCN | EAR99 |
| HSCODE | 9025900090 |
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