[time-nuts] 5680A update
EWKehren at aol.com
EWKehren at aol.com
Tue Jan 17 17:28:46 UTC 2012
I am, as I reported previously using a SMD LM335 away from the fan and held
down with a screw and a small bracket and I get consistent .1 C. I do not
think that I would get 1 E-12 over weeks when my lab has seen more than 5
C temperature changes if my temperature readings are not correct.
Do not forget this was a quick and dirty setup, the final product will look
more professional.
Bert Kehren
In a message dated 1/17/2012 12:19:44 P.M. Eastern Standard Time,
albertson.chris at gmail.com writes:
On Tue, Jan 17, 2012 at 8:38 AM, <EWKehren at aol.com> wrote:
> I am using a fan that holds it within .1 C Its been month since I
measured
> it but I did report it here and I think it is 42.7C.
0.1C is very good for just using a fan. What is the fe5680
mounted to? just the heat sink or is there a thick metal plate.
Also what are you using as a heat sensor. Is the sensor press fit to
the heat sink or. I do remember reading about your temperature
controlled fan but not the 0.1C part. I'd have guessed yo could only
do about 2.0C with a setup like yours.
Chris Albertson
Redondo Beach, California
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