[GSBN] Data logging

Derek Stearns Roff derek at unm.edu
Wed Nov 4 14:20:57 CST 2015


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.

Derek

Derek Roff
derek at unm.edu<mailto:derek at unm.edu>


On Nov 4, 2015, at 11:56 AM, Matts Myhrman <mattsmy at gmail.com<mailto:mattsmy at gmail.com>> wrote:

Hey Derek,

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?


On Mon, Nov 2, 2015 at 4:35 PM, Derek Stearns Roff <derek at unm.edu<mailto:derek at unm.edu>> wrote:
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.

http://www.leevalley.com/US/wood/page.aspx?p=73503&cat=51&ap=2

Derek

Derek Roff
derek at unm.edu<mailto:derek at unm.edu>



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