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Help me with building a pH meter

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ghettoman

ghettoman

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ph meter

anyone build such a metter.did you have any schematics?
thanks
 

Take a look at the replies to previously posted message at:

**broken link removed**
 

i did it with only one chip"opa128"from texas instruments and you can find schematic in datasheet
 

try this


**broken link removed**


have a good one

most
 

Re: ph meter

I have got an PH meter with an easy circuit make with OP129 (ti.com). But temperature compensation in made via software.
 

Hi,

Try to request op129 samples from ti.They can send samples and also request sample codes.

Analyzer
 

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