[time-nuts] Question for my new GPSDO Heater

[djl]

Hello:  proportional controllers from the Old Country are also available 
for around $15 on ebay. The one i have uses type K thermocouple.
Don

On 2019-10-12 18:13, Perry Sandeen via time-nuts wrote:
> Yo Bubba Dudes!,
> The suggestion was made to use a ebay item number 192112054053 heater
> for this project.
> Now it's cheap and has a digital reading.
> BUT
> It is a bang- bang controller using a relay.  At some point that relay
> will stop working.  Also all designs I've seen for good temperature
> control use proportional solid state controllers.  There are plenty of
> free designs on the internet.
> Lastly, if one believes that this is long term reliable controller
> that will deliver .1 degree accuracy, for that price, please contact
> me off line and I will set you up with some really cheap (but slightly
> scorched and a burned wood smell) lots to where you can build your
> dream home here in California.
> Regards,
> Perrier
> 
> 
> 
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-- 
Dr. Don Latham  AJ7LL
PO Box 404, Frenchtown, MT, 59834
VOX: 406-626-4304