[time-nuts] Thunderbolt oven / non-stable operating temperature
Sarah White
kuzetsa at gmail.com
Mon Dec 10 23:37:04 UTC 2012
On 12/10/2012 6:10 PM, Arthur Dent wrote:
> I believe that the high temperature alarm you see is triggered at 50 degrees
> C. If that is what you're seeing without artificially raising the temperature
> of the Thunderbolt by insulating it so it can't radiate the heat, what I said
> about replacing the chip is correct but if it is staying within a few degrees
> over the course of the day and is in the 40 degree C range without being
> insulated, the DS1620 thermometer chip is o.k..
My particular thunderbolt seems to be from 2004, so I guess that manual
is at or around checked:
ThunderBolt[tm] GPS Disciplined Clock User Guide Version 5.0
5.0 is a version of the manual published in 2003
Table C.2.2 Environmental Specifications:
Operating Temp: -0°C to +60°C
Storage Temp: -40°C to +85°C
... so I guess I shouldn't worry about a few degrees of difference in
the reported temp, especially considering that the sensor in question
isn't on the OCXO itself.
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