Re: Thermal IR on Ebay

[Joshua_Putnam <josh@xxxxxxxxxxxx>]

Michel Wurtz - LTE <mw@xxxxxxxxxxxxxxxxxxx> writes:

>Joshua_Putnam wrote:
>> 
>> We've all had a good laugh at common photo stuff going for twice
>> what it's worth on Ebay, so I thought I'd pass along something
>> different: auction no. 81016037 is a Hughes Aircraft
>> military-surplus infrared viewing device, spectral response 3 to
>> 5.4 microns, using an argon-cooled photovoltaic detector at -186C.
>> 
>> With 4 days to go it's only up to $52.

>Hmm... minus 186C you said ?  Did they furnish for this price the
>power plant needed for the cooling device ? :-)))

According to the ad, it's designed for field use and cooled with
a bottle of argon, readily available from any welding supplier.
No idea how quickly it uses up argon, but you definitely can get
things very cold with bottled argon or helium.

-- 

 Josh@xxxxxxxxxxxx  is  Joshua Putnam / P.O. Box 13220 / Burton, WA 98013
                       "My other bike is a car."                   
                     http://www.wolfenet.com/~josh/
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