Posted By half bubble on 10/13/2008 at 12:50 AM
If you were going to go to swiss-watch extremes with your PPM settings, what device would you use?
You need to know temperature, pressure, & humidity, right?
How
do YOU do it? What devices can you recommend? I've seen portable
gadgets that give temperature and pressure, but not humidity.
PPM settings
October 13, 2008
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