[Dsg-rtpc] Sensor board.PDF

[kuhn]

Dear Marc,

thanks for the information. I am not sure that we have enough space for the board you propose - and also, we do not really need the humidity sensor (famous last words). Really all we need to do is measure temperature and of course pressure (I assume the latter requires a different approach). We could use just the Omega PT100 sensor that you specify and glue it directly to our own HV distribution board. Of course we would need to somehow get the lead outside… Alternatively, we could embed a temperature sensor into our Al base plate, assuming that the gas will thermally equilibrate with it. I’m cc’’ing Eric Christy and Ibrahim Albayrak on this exchange as they are most directly involved with designing all the pieces that go inside the RTPC.

Greetings - 

- Sebastian

> On Feb 14, 2018, at 12:43 PM, Marc McMullen <mcmullen at jlab.org> wrote:
> 
> Hi Sebastian,
> 
> Last meeting we spoke about measuring temperature in the RTPC. We frequently use a PCB designed in-house called the Humidity Temperature Sensor Board. Basically we glue redundant Omega PT100 sensors and solder Honeywell HIH-5030 humidity sensors to the board. The board dimensions are on the mechanical drawing.
> 
> https://sensing.honeywell.com/index.php?ci_id=49692
> 
> https://www.omega.com/pptst/RTD-2-F3105.html
> 
> 
> -- 
> Marc McMullen
> Detector Support Group
> 757-269-7738
> 
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