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Yes, Matts, if this sensor were permanently buried in the wall, it would be useless in about a year. I don’t think this is the device that we have been waiting for, but rather, like John the Humidity Baptist, it tells us that the time of our moisture monitoring
savior is coming soon. But if someone wanted to put it in the wall in a perforated pipe with a removable cap, similar to a DYI design of 15-20 years ago, then replacing the batteries at intervals would work.
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<div class="">Derek<br class="">
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Roff</span><br style="color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">
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<div class="">On Nov 4, 2015, at 11:56 AM, Matts Myhrman <<a href="mailto:mattsmy@gmail.com" class="">mattsmy@gmail.com</a>> wrote:</div>
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<div dir="ltr" class="">Hey Derek,
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<div class="">I have a question regarding the data-logger you describe. If the thing is buried in the wall, would one have to abandon it when the battery runs out?</div>
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<div class="gmail_quote">On Mon, Nov 2, 2015 at 4:35 PM, Derek Stearns Roff <span dir="ltr" class="">
<<a href="mailto:derek@unm.edu" target="_blank" class="">derek@unm.edu</a>></span> wrote:<br class="">
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<div style="word-wrap:break-word" class="">Those of us who want to monitor the conditions inside our walls have had a variety of options, from home-built to industrial, at a range of prices. However, finding a system that meets a home builder’s definition
of easy and affordable has been elusive. I just found a product advertised at Lee Valley Tools, which shows that the consumer market is beginning to offer interesting options. Powered by a CR2032 battery, the device will log data, and transmit it to an iPhone
or other iOS device for “up to a year”. Important details are missing, but it looks interesting. The D2 model costs $159, and measures temperature accurate to 0.5 degrees C, and humidity, accurate to 2%, according to the web page. The device appears to
be about 40mm long, 35mm wide, and 13mm thick.
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<div class=""><a href="http://www.leevalley.com/US/wood/page.aspx?p=73503&cat=51&ap=2" target="_blank" class="">http://www.leevalley.com/US/wood/page.aspx?p=73503&cat=51&ap=2</a></div>
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<div class="">Derek<br class="">
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<span style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; float: none; display: inline !important;" class="">Derek
Roff</span><br style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;" class="">
<span style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; float: none; display: inline !important;" class=""><a href="mailto:derek@unm.edu" target="_blank" class="">derek@unm.edu</a></span><br style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;" class="">
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