Vernier dataloggers

[Janice M. Glime]

  I haven't used these myself, but out chemist who has been working with
high school teachers is completely sold on them.  There are apparently a
large number of sensors - dissolved oxygen, pH, photosynthesis,
conductivity, and others.
Janice
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 Janice M. Glime, Professor
 Department of Biological Sciences
 Michigan Technological University
 Houghton, MI 49931-1295
 jmglime at mtu.edu
 906-487-2546
 FAX 906-487-3167
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