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GSBN: Digest for 5/3/02

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-> Compact/Inexpensive Temperature & Relative Humidity Sensor
     by "Rob Tom" rw_tom@...


Date: 3 May 2002 11:40:08 -0500
From: "Rob Tom" rw_tom@...
Subject: Compact/Inexpensive Temperature & Relative Humidity Sensor

This item might be of interest to the gizmologists/FungalFans amongst us.

>From a cursory glance, it looks like a simple, reliable, inexpensive design 
which will allow one to acquire accurate, simultaneous temperature & 
relative humidity readings from a herd of locations (ie @ the inside & 
outside skins of a SB wall and any number of points in between), something 
that heretofore had required our friends in the SB community [ie Shawna 
Henderson (aka the SeaBale Hag-with-the-amazing-spore-sniffing-snout), Habib 
Gonzalez (mad bush pilot/ringleader of the Merry Mud Men) , (the 
sartorially-resplendent) Rob Jolly]  a whole lot of futzing around in order 
to accomplish in their moisture-monitoring/data-gathering adventures back in 
the Olde Days of the previous millennium.

The individual, multi-function sensors appear to be no bigger than the tip 
of a pen and it appears that a hundred or more of them can be controlled by 
a ~$30 integrated circuit which then takes all the info and sends it to 
one's computer so that it can do the book-keeping. It may even make peanut 
butter and banana sandwiches too for all I know ?

And I'll bet that a hard-core gizmologist like the Derelict-in-the-Rough 
could find a way to cannibalise the platinum sensor parts from any one of 
the old 486's that he's using for doorstops. Me ? I have trouble just 
reading a thermometer.

- ---------- Forwarded Message ----------

New Publications
Institute for Research in Construction
National Research Council Canada

Maref, W.; Tardiff, Y.; Booth, D.G. Assembly and Calibration of a Compact 
Temperature and Relative Humidity Sensor, Internal Report, Institute for 
Research in Construction, National Research Council Canada, 849,  pp. 
50,2002 (IR-849)


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