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Re: Does Carbon Monoxide rise or fall?



"SteveB" <oldfart@xxxxxxxxxxxx> wrote:

>> But was told NOT to buy the combo units
>
>And do not buy anything but a digital readout.  If threshold level is 500, I
>want to know if it is at 450.  Screamer units only go off if there is a lot
>of CO.  I want to know if there is, say, a level that is 30% of safe, and I
>want to find out why that lower level is even present.

I bought the totally battery operated LCD readout model

I wanted a unit that I COULD use in a van or RV if
wanting to...hence the totally batt operated unit

What you think?


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