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Read PT1000 temp. sensor

3650 Views - Created 11/12/2016

11/12/2016

Posted by:
Mib314

Location:
CH - Montana-Crans

Hi,

I have an ADC Differential Pi from https://www.abelectronics.co.uk/p/65/adc-differential-pi-raspberry-pi-analogue-to-digital-converter.

This module work with a MCP3434 controller.

I need to read PT1000 sensor. I don’t have a lot of electronic knowledge.

Please, if somebody knows a good montage, I was happy.

Thanks a lot

Michel B.

11/12/2016

Posted by:
brian

Location:
Swanage

You can read a PT1000 sensor using a voltage divider circuit with the sensor on one side of the divider. You need a precision voltage reference to supply the voltage to the divider and the centre of the divider would go to the ADC input pin.

The following links show how this can be set up and the first link also has a python demo which could be modified to use the Python library to read your sensor.

http://www.paulschow.com/2013/08/monitoring-temperatures-using-raspberry.html

https://openenergymonitor.org/emon/buildingblocks/rtd-temperature-sensing

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