Thanks to all who responded to my query about dataloggers. For those who'd like an encapsulation: HOBO products seem to be the unanimous choice. That's a relief-some products I looked at were in excess of $800, without necessary software. Suzanne Buchanan, Director Hingham Historical Society P.O. Box 434 Hingham, MA 02043 Phone: 781-749-7721 Fax: 781-749-0091 http://www.hinghamhistorical.org/ ========================================================= Important Subscriber Information: The Museum-L FAQ file is located at http://www.finalchapter.com/museum-l-faq/ . You may obtain detailed information about the listserv commands by sending a one line e-mail message to [log in to unmask] . The body of the message should read "help" (without the quotes). If you decide to leave Museum-L, please send a one line e-mail message to [log in to unmask] . The body of the message should read "Signoff Museum-L" (without the quotes).