Help me with building a pH meter

ghettoman · Apr 2, 2003

ph meter

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

House_Cat · Apr 2, 2003

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

**broken link removed**

mozcam · Apr 2, 2003

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

mostrengo · Apr 2, 2003

try this

**broken link removed**

have a good one

most

toreador · Apr 3, 2003

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.

Analyzer · Apr 3, 2003

Hi,

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

Analyzer