The Honeywell/Hycal HIH-3605 is a nice but expensive (>=$30) unit that
provides an analog output proportional to relative humidity. I'm using the
NIST-traceable version (even more $$$) in a project to provide exact
humidity calibration for each unit.

For a great listing of all things sensor-related, see Brooke's Sensor Page:
 http://www.pacific.net/~brooke/Sensors.shtml

mcb


At 12:38 PM 02/09/2000 -0500, Andy Kunz wrote:
>I've been quiet lately due to being busy.  Nice change, huh?
>
>I need to know what folks are using to measure humidity.  I need to know
>the humidity in a human-occupied room (it wasn't specified if it were
>relative or absolute - which do I want?) in order to keep it within comfort
>limits.
>
>What are you guys (and gals) using?  How does it interface?  If you could
>re-do the project, would you use the same thing (assuming code changes are
>acceptable).
>
>I'm hoping for a single analog or PWM input.
>
>Thanks.
>
>Andy
>
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