[time-nuts] Hobbyist grade or homebrew temperature testing chamber?

Bob Albert bob91343 at yahoo.com
Mon Sep 5 23:34:42 EDT 2016

Better stock up on 60W bulbs.  They are becoming outlawed.
(Only kidding, a resistor works as well.)
Also, a foam drink cooler will give a more stable temperature.  You can make it leak a bit of heat to get the thermostat to cycle.  The hard part is the thermostat; they aren't cheap - even the low cost ones at the hardware store that work on low voltage.


    On Monday, September 5, 2016 8:30 PM, Gary E. Miller <gem at rellim.com> wrote:

 Yo Richard!

On Mon, 5 Sep 2016 19:48:14 -0700
"Richard (Rick) Karlquist" <richard at karlquist.com> wrote:

> I thought I would check the brain trust here to see
> if anyone has seen a hobbyist grade temperature
> testing chamber or kit or homebrew design.

When I did this for testing labs, I took a cardboard box, a 60w
incadescent light bulb, and a cheap thermostat.  Set the thermostat to
a bit above max ambient and you are good to go.  For more precise temp
control, put a fan in the box to prevent temperature startification.

Gary E. Miller Rellim 109 NW Wilmington Ave., Suite E, Bend, OR 97703
    gem at rellim.com  Tel:+1 541 382 8588
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