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- Newsgroups: sci.electronics
- Path: sparky!uunet!noc.near.net!gateway!miki!wpns
- From: wpns@miki.pictel.com (Willie Smith)
- Subject: Re: Humidity Sensor Needed (Cheap!!!)
- Message-ID: <1992Aug27.170959.873@miki.pictel.com>
- Organization: PictureTel Corporation
- References: <BtKDF8.4G8@cmptrc.lonestar.org>
- Date: Thu, 27 Aug 1992 17:09:59 GMT
- Lines: 16
-
- In article <BtKDF8.4G8@cmptrc.lonestar.org> neal@cmptrc.lonestar.org (Neal Howard) writes:
- >Can anyone out there help me with my search for something to use as an
- >electronic relative humidity sensor. So far my search has revealed the following
- >methods for building a sensor device for use in constructing an electronic
- >hygrometer I wish to interface to my PC:
-
- Well, Edmund Scientific sells a complete humidity sensor/display
- module for not terribly much ($20 or $40) that you could probably rip
- the sensor out of. Pretty inaccurate over temperature if I remember
- correctly, though. I suspect that the humidistats in furnaces and
- home humidifiers use the old standby - horsehair - which expands and
- contracts with the RH.
-
- Willie Smith
- wpns@pictel.com
-
-