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Old 09-18-12, 07:08 PM   #9
JRMichler
Apprentice EcoRenovator
 
Join Date: Apr 2012
Location: Phillips, WI
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I use a data logger from this outfit: Data Loggers: HOBOŽ Data Logger Products by Onset. I got the U12 with temperature, humidity, and two external channels. It works very well.
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