[Geomag-operations] [EXTERNAL] Re: Temp sensor Troubleshooting Guide

[Sauter, Edward]

Kat,
Sounds like you had a bad connection in the Temp 4 Scheme, that you may
have remedied.

Can you take a picture of the Temperature interface board at your
observatory?

Thanks,
Ed

On Sat, Sep 15, 2018 at 6:43 PM, kat uchima <kuchima at gmail.com> wrote:

> Hello Ed
>
> As per instruction I measured the voltage and it was above 18 around 18.6
> and 3.1 est, did not have a writing device to document.
>
> #4 read around 14, so as per instruction I replaced the probe, and after
> checking again it was reading the same as the others, but had an occasional
> flux.
>
> Because of this I read further and found that the replacement board is not
> the same, and that the current board does not have the LM 358 Op-Amps.
>
> What I did was replace the board thinking it just need to be replaced,
> voltage was all wrong so I put the original back on. Maybe the connection
> was loose, but after putting the original board back on the voltage no
> longer fluctuated.
>
> Just checked the outside temp and it is reading high at around 38C.
>
> The temperature interface board looks almost the same except that it does
> not have the two LM 358 Op-Amps, and the #4 temp is gray and is slightly
> different in size, and connection.
>
>
>
> Let me know what is next.
>
>
>
> Kat
>
>
>
>
> On Wed, Sep 5, 2018 at 2:16 PM, Sauter, Edward <esauter at usgs.gov> wrote:
>
>> Kat,
>> Please find attached the procedure for troubleshooting your bad Outside
>> temperature reading.
>>
>> I suggest printing for your use.
>>
>> Please reply with your questions and results.
>>
>> Thank you,
>> Ed Sauter
>> --
>> Edward A. Sauter
>> US Geological Survey
>> Box 25046 DFC, MS 966
>> Denver, CO 80226-0046 USA
>> E-mail: esauter at usgs.gov
>> Phone: 303-273-8471
>> Fax 303-273-8506
>>
>
>


-- 
Edward A. Sauter
US Geological Survey
Box 25046 DFC, MS 966
Denver, CO 80226-0046 USA
E-mail: esauter at usgs.gov
Phone: 303-273-8471
Fax 303-273-8506
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