I purchased a set of these plus another sensor a couple of years ago and have had no problems with them. http://www.gaylord.com/Environmental-Control/Temperature-%26-Humidity-Monitors/General-Tools-Wireless-Thermohygrometer-with-Remote-Sensor/p/52045 Tori Mason Grassmere Historic Farm Nashville Zoo at Grassmere ________________________________________ From: Museum discussion list <[log in to unmask]> on behalf of Robin Gabriel <[log in to unmask]> Sent: Wednesday, October 7, 2015 2:34 PM To: [log in to unmask] Subject: [MUSEUM-L] Climate monitoring Can anyone recommend relatively inexpensive (but accurate) equipment for monitoring climate conditions inside our small-budget historic house? *********** Robin Gabriel Kaminski House Museum Georgetown, SC ========================================================= 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). [http://www.nashvillezoo.org/assets/2147/zoo-logo-sm.gif]<http://www.nashvillezoo.org> Tori Mason Historic Site Manager 615-833-1534 x130 [log in to unmask] “Inspiring a culture of understanding and discovery of our natural world through conservation, innovation and leadership” ========================================================= 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).