Re: Gypsum Block Loggers ?

[Dr. Clinton C. Shock]

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[Two responses so far... Bruce]
================================
Tom Thomson wrote:
Send an e-mail to Mike Hansen at <mikeh@nwinternet.com>. He manufactures a 
data logger for Watermarks which logs data from 6 Watermarks and 2 soil 
thermistors. Quite a nice unit and it only costs $379 US. I do not knoww if 
it works with gypsum blocks but its worth a look.
================================
Friends,

A number of articles are listed on the web page

http://www.cropinfo.net/granular.htm

Thanks for the interest.  I will be interested in seeing the other
literature.

Clint
-- 
Dr. Clinton C. Shock
================================


At 09:13 AM 2/14/2001 +0000, you wrote:
>
>Gypsum blocks are usually read manually although I'm aware of a couple
>options for logging that include radio transmission to a receiver/logging
>device (MEA, Adcon).  These are quite expensive.
>
>I'm looking for a stand alone gypsum block logger that can be left in the
>field to record "continuous" data from a small array of blocks (say 6),
>which can then be downloaded.  It must be inexpensive.
>
>Some components would be- AC power source; Actuating electronics for
>periodic measurements; Resistance or current meter; Logger; Multiple input
>ports/channels (nominally 6); Download port;
>
>Supporting software including calibration of resistance to tension for
>appropriate porous media devices would be desirable.
>
>Do you know of anything that would satisfy these requirements.
>
>Regards,
>
>Mike Schulz
>Serve-Ag Pty. Ltd
>
>PO Box 1030, Shepparton, Vic, 3632
>Tel. 03 5825 4783
>Fax. 03 5825 4728
>Mobile.   0408 395 076
>Email: mikeschulz@bigpond.com
>
>Serve-Ag is a Devonport Tasmania based company that provides a range of
>services to the agricultural community.
>For additional information consult our website (www.serve-ag.com.au), call
>me or, our head office (03 6427 0800).
>