Re: [Vo]:HP474AC probe measures Relative Humidity, not steam quality

[Harry Veeder]

Robin van Spaandonk wrote:

>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.

So, if the RH is below 100% you can surmise the steam is fully dry (0% wet)but 
if the RH is above 100% the RH meter is uselss for telling you 

how much less dry (or more wet) the steam is ?
Harry