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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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