Re: CO meters (again)

["Dean Still" <dstill@epud.net>]

Dear Crispin,

www.microdaq.com  should get you to Onset who makes the HOBO CO data logger
we're using now. We have used it side by side with other combustion
analyzers and it seems to be accurate. It costs around $240 but the software
is a bit extra. The really nice thing about the HOBO's are that you launch
the data logger, run your tests keeping track of time and then download the
data into your computer getting nice graphs. Perfect for recording in house
levels, I would think...So there is a permanent record of activity. The
downside is that it is really not set up for instantaneous readout so you
don't see the peaks and valleys as the stove is performing. You have to run
the test, record time and observations then go to your computer and see the
results. Oh yeah, it can't tolerate heat or high humidity. Our set up has
the data logger about six feet above the hood over the stove, depending on
day's temperature it stays between 70 and 90 degrees F... A six foot high 12
inch in diameter chimney pipe connected to the hood brings cooled gases to
the monitor. Using the same set up every time we can hopefully compare
differences in stoves.

Makes for very interesting morning conversations with coffee mug in hand
comparing recorded observations with the graphs. Yesterday we ran two stoves
and I'm itching to see what happened! Every day a new adventure!

Best,

Dean



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