Yo All! I am surprised that the TEMPer and TEMPerHUM have not been mentioned yet. They are cheap reliable USB temperature sensors. The TEMPerHUM adds a humidity sensor.
I have several TEMPer's running to log room temp around NTP servers. The basic TEMPer reads to 0.1°F is only $9: http://www.pcsensor.com/usb-thermometers/gold-temper.html I can't speak to its accuracy, but it tracks well with my OXO's frequency shifts. There is the double sensor TEMPER for about $19: http://www.pcsensor.com/usb-thermometer/temper2.html I do NOT recommend this one. The external temp will not match the internal temp. When I put an IR camera on it I found the external temp sensor self heats in free ait by several degrees F. I have not tried the TEMPerHum. It adds a humidity sensor and is $20: http://www.pcsensor.com/usb-hygrometer/temperhum.html From what I can tell, many different Chinese companies make TEMPer's so YMMV. But hard to go wrong for $9. RGDS Veritas liberabit vos GARY Quid est veritas? --------------------------------------------------------------------------- Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703 g...@rellim.com Tel:+1 541 382 8588
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