[CAUT] Reading low humidity

[DCyr141833 at aol.com]

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Fred, and others
I have recently found a nifty little device that seems to read humidity and  
temperature quite accurately.  It's a sensor, not a gauge that you can  look 
at and read instantly, but it tracks temp, humidity and dew point over a  
period of time (you decide if you want it to measure every half hour, hour,  etc), 
it's got it's own built in USB port, you plug it into your computer,  download 
the data, and it prints out a graph and spreadsheet.  We've been  playing 
with it at the school for the past month and I'm quite impressed.  
_Data  Acquisition from Measurement Computing_ 
(http://www.measurementcomputing.com/cbicatalog/USB-502.asp?dept_id=414&pf_id=1759&mscssid=7K4AT7KNBUQP8HEFNC
6WE99XMQNK1LN5)  
It's $79, with software.  
Like I said, it's not a gauge that you can just look at - but it does track  
humidity down lower than anything else I've seen.
Debbie Cyr
North Bennet St. School

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