In reply to Jeff Driscoll's message of Sat, 22 Jan 2011 21:24:36 -0500: Hi, [snip] >This probe does not measure the amount of liquid water droplets in the >"steam" (ie. mass fraction of water vapor to to total water). It measures >Relative Humidity (Relative Humidity measures how saturated the air is for a >given temperature). >What we want is a a device that measures "quality" of the steam. For >reference, 100% quality = 100% vapor.
Consider that droplets can't form unless the RH is 100%. Anything less than that and no droplets form. In short if they measure an RH < 100% then the steam must be dry. Regards, Robin van Spaandonk http://rvanspaa.freehostia.com/Project.html