[Stoves] Making testing equipment for CO and O2

[steve]

Crispin Pemberton-Pigott wrote:
> Dear Steve
>
>   
>> I use special 
>> things called "Nernst Cells" in my professional work, 
>>     
>
> Can these be calibrated accurately?
>   
Good question. Certainly the O2 cells can, 100% output = atmospheric oxygen.
CO, we'd need to establish a method of creating an adequate reference
standard.
Would you need PC logging ?

Steve