<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40" xmlns:ns1="http://schemas.microsoft.com/office/2004/12/omml" xmlns:ns0="urn:schemas-microsoft-com:office:smarttags"> <head> <meta http-equiv=Content-Type content="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)"> <o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PersonName"/>  <style>  </style>  </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> Hi Roger,<o:p></o:p> <o:p> </o:p> Thanks for the information.  I think I’m going to pass on the HOBO due to the fact that the software it needs to interface does not come included with the instrument.  The $115 price is comparable to some of the others that I’ve looked at, but they come with included software.  My budget is limited at this point so I’m probably going to have to go with the “low-priced spread” for now.<o:p></o:p> <o:p> </o:p> Also, as a former Navy Metrology technician I’m very much aware of how much drift can occur over time and the need for cross-checking with some sort of standard or with several comparable instruments.  I’ve been bitten a couple of times because of drift.<o:p></o:p> <o:p> </o:p> Thanks again.<o:p></o:p> Tom<o:p></o:p> <o:p> </o:p> <div> Rhea Piano Service<o:p></o:p> Tom Rhea, Jr., Technician<o:p></o:p> (757) 373-0284<o:p></o:p> <ns0:PersonName w:insAuthor=" " w:insDate="2012-09-06T11:10:00Z" w:endInsAuthor=" " w:endInsDate="2012-09-06T11:10:00Z"><a href="mailto:rheapiano@cox.net">rheapiano@cox.net</a></ns0:PersonName><o:p></o:p> <ns0:PersonName w:insAuthor=" " w:insDate="2012-09-06T11:10:00Z" w:endInsAuthor=" " w:endInsDate="2012-09-06T11:10:00Z"><a href="http://www.rheapiano.com">www.rheapiano.com</a></ns0:PersonName><o:p></o:p> <ns0:PersonName w:insAuthor=" " w:insDate="2012-09-06T11:10:00Z" w:endInsAuthor=" " w:endInsDate="2012-09-06T11:10:00Z"></ns0:PersonName> <o:p></o:p> </div> <div> <div class=MsoNormal align=center style='text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Roger Wheelock Sent: Thursday, September 06, 2012 9:58 AM To: <st1:PersonName w:st="on">pianotech@ptg.org</st1:PersonName> Subject: Re: [pianotech] Data Loggers<o:p></o:p> </div> <o:p> </o:p> Hi Tom,<o:p></o:p> <o:p> </o:p> Here at Dampp-Chaser we use the Onset HOBO U12-011.  Onsetcomp.com  We’ve used these for about ten years.  We have been able to characterize their drift over time and don’t have to send them back for recalibration since we know how they perform.<o:p></o:p> <o:p> </o:p> Roger<o:p></o:p> <o:p> </o:p> Roger Wheelock, VP<o:p></o:p> Dampp-Chaser Corp.<o:p></o:p> ISO 9001 Certified in Quality Management<o:p></o:p> <o:p> </o:p> <o:p> </o:p> <o:p> </o:p> <div> <div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'> From: pianotech-bounces@ptg.org [mailto:pianotech-bounces@ptg.org] On Behalf Of Tom Rhea, Jr. Sent: Wednesday, September 05, 2012 2:01 PM To: <st1:PersonName w:st="on">pianotech@ptg.org</st1:PersonName> Subject: [pianotech] Data Loggers<o:p></o:p> </div> </div> <o:p> </o:p> List:<o:p></o:p> <o:p> </o:p> Does anyone have a recommendation for a decent Temperature/Humidity datalogger?  I’m searching for one that will log both T and H every 60 seconds or so – 65K+ data points – with an accuracy of +/- 1 or 2%.  It should be able to interface with a desktop or laptop computer (XP operating system).<o:p></o:p> <o:p> </o:p> Any suggestions?<o:p></o:p> <o:p> </o:p> Thanks,<o:p></o:p> Tom<o:p></o:p> <o:p> </o:p> Rhea Piano Service<o:p></o:p> Tom Rhea, Jr., Technician<o:p></o:p> (757) 373-0284<o:p></o:p> <ns0:PersonName w:insAuthor=" " w:insDate="2012-09-05T13:53:00Z" w:endInsAuthor=" " w:endInsDate="2012-09-05T13:53:00Z"><a href="mailto:rheapiano@cox.net">rheapiano@cox.net</a><ins cite="mailto:%20" datetime="2012-09-05T13:53"></ns0:PersonName></ins><o:p></o:p> <ns0:PersonName w:insAuthor=" " w:insDate="2012-09-05T13:53:00Z" w:endInsAuthor=" " w:endInsDate="2012-09-05T13:53:00Z"><a href="http://www.rheapiano.com">www.rheapiano.com</a><ins cite="mailto:%20" datetime="2012-09-05T13:53"></ns0:PersonName></ins><o:p></o:p> <ns0:PersonName w:insAuthor=" " w:insDate="2012-09-05T13:53:00Z" w:endInsAuthor=" " w:endInsDate="2012-09-05T13:53:00Z"><ins cite="mailto:%20" datetime="2012-09-05T13:53"></ns0:PersonName></ins> <o:p></o:p> <o:p> </o:p> </div> </body> </html>