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

[kat uchima]

I will take a pic next time I am out their.

kat

On Sun, Sep 16, 2018 at 2:05 PM, Sauter, Edward <esauter at usgs.gov> wrote:

> 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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