Point of Beginning

PPM settings

October 13, 2008

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.

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