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Unidentified Thermopile

grenadier

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Nov 22, 2010
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Hi all,

Has anyone by chance, seen this model thermopile? If so, have you any idea who made it? it is very nondescript.

Two machine threads are drilled into the bottom of this aluminum block. (not pictured).

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Edit: Seems to be made by ophir. Now if I can just identify the model #...
 
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BowtieGuy

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Oct 14, 2012
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Hi grenadier, definitely looks like an Ophir. I see that the serial number tag has been removed; it could be a couple of different models.
It may be a 20c-a-1-y, which is what most members use. Below is a photo of the insides of one of my 20c-a-1-y sensors, it may help you identify which model you have.
There are a few threads showing these with the covers removed, and they all seem to vary a little as to the exact layout of the components.

Here is a good thread showing a 20c, see post #20 for photo of componants.


 
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