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Q&A OP-AMP PT100 signal conditioner

How does this circuit work, especially considering that it's intended to be used as a PT100 conditioner?

1 answer · posted 3mo ago by erisla‭ · last activity 3mo ago by Olin Lathrop‭

Question opamp RTD PT100

#2: Post edited by

Andreas demands justice for humanity‭ · 2024-11-28T12:10:40Z (3 months ago)
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OP-AMP PT100 signal conditioner

~~Hi all,~~
~~Long time lurker here on this forum, and now I finally feel the need to ask a probably really simple question but one that I cannot wrap my head around...~~
~~Can someone take me through how this circuit works, especially as it's intended to be used as a PT100 conditioner.~~
~~![OP-AMP simulation circuit](https://electrical.codidact.com/uploads/yzl6uqrb6qmwp47v2iay6pfomfd9)~~
~~Thanks in advance,~~
/E

How does this circuit work, especially considering that it's intended to be used as a PT100 conditioner?
![OP-AMP simulation circuit](https://electrical.codidact.com/uploads/yzl6uqrb6qmwp47v2iay6pfomfd9)

#1: Initial revision by

erisla‭ · 2024-11-27T15:24:08Z (3 months ago)

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OP-AMP PT100 signal conditioner

Hi all,

Long time lurker here on this forum, and now I finally feel the need to ask a probably really simple question but one that I cannot wrap my head around...

Can someone take me through how this circuit works, especially as it's intended to be used as a PT100 conditioner.
![OP-AMP simulation circuit](https://electrical.codidact.com/uploads/yzl6uqrb6qmwp47v2iay6pfomfd9)

Thanks in advance,
/E

opamp RTD PT100

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