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According to the spec sheet the sensitivity of the sensor is 21.8
Pa/mV (0 to 5V range)<br>
the sensitivity of the ADC is 0.076mV/ADCcount<br>
So the digitizer is way more sensitive than the sensor.<br>
<br>
cheers,<br>
Beni<br>
<br>
<br>
<br>
<div class="moz-cite-prefix">On 3/23/23 11:22, Bobby Bunton via
Halld-controls wrote:<br>
</div>
<blockquote type="cite" cite="mid:MN2PR09MB55772BEF1193BA0C02E3257EA7879@MN2PR09MB5577.namprd09.prod.outlook.com">
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Hello all,<br>
<br>
Per our discussion in the controls meeting today, here is the
information that was requested.
<br>
This is the pressure sensor we are using, Apogee instruments
SB-100 barometric pressure sensor<br>
<a href="https://www.apogeeinstruments.com/sb-100-barometric-pressure-sensor/?gclid=Cj0KCQjw8e-gBhD0ARIsAJiDsaXMs3PuHfNMhwpBGExj1jN6KtLCpGJEFnUSc3kbAtm8uM88eItx8jIaAsGDEALw_wcB#product-tab-description" id="LPlnkOWALinkPreview" moz-do-not-send="true" class="moz-txt-link-freetext">https://www.apogeeinstruments.com/sb-100-barometric-pressure-sensor/?gclid=Cj0KCQjw8e-gBhD0ARIsAJiDsaXMs3PuHfNMhwpBGExj1jN6KtLCpGJEFnUSc3kbAtm8uM88eItx8jIaAsGDEALw_wcB#product-tab-description</a><br>
<br>
And the PLC module that is reading it is a compact i/o 1769-IF8,
the module is configured with the 60hz selection filter<br>
<br>
<a href="https://literature.rockwellautomation.com/idc/groups/literature/documents/in/1769-in067_-en-p.pdf" id="LPlnk172968" moz-do-not-send="true" class="moz-txt-link-freetext">https://literature.rockwellautomation.com/idc/groups/literature/documents/in/1769-in067_-en-p.pdf</a><br>
<br>
Also ive already switched the old sensor back to being the input
for barpress1 and put an offset on the barpress2 channel so that
they more closely agree, please let me know if there is any more
information you need.<br>
<br>
Thanks,<br>
Bobby<br>
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<a target="_blank" id="LPImageAnchor200098" href="https://www.apogeeinstruments.com/sb-100-barometric-pressure-sensor/?gclid=Cj0KCQjw8e-gBhD0ARIsAJiDsaXMs3PuHfNMhwpBGExj1jN6KtLCpGJEFnUSc3kbAtm8uM88eItx8jIaAsGDEALw_wcB#product-tab-description" moz-do-not-send="true"><img id="LPThumbnailImageId200098" alt="" style="display: block;" src="https://cdn11.bigcommerce.com/s-0oei9zu/products/81/images/2992/baro-top-down__22994.1586801524.220.220.jpg?c=2" moz-do-not-send="true" width="240" height="129"></a></div>
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<a target="_blank" id="LPUrlAnchor200098" href="https://www.apogeeinstruments.com/sb-100-barometric-pressure-sensor/?gclid=Cj0KCQjw8e-gBhD0ARIsAJiDsaXMs3PuHfNMhwpBGExj1jN6KtLCpGJEFnUSc3kbAtm8uM88eItx8jIaAsGDEALw_wcB#product-tab-description" style="text-decoration: none; color:
var(--themePrimary);" moz-do-not-send="true">SB-100:
Barometric Pressure Sensor</a></div>
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The SB-100 provides an accurate, stable, and
durable measurement of barometric pressure at an
affordable cost.</div>
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<a class="moz-txt-link-abbreviated" href="http://www.apogeeinstruments.com">www.apogeeinstruments.com</a></div>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b>
Halld-controls <a class="moz-txt-link-rfc2396E" href="mailto:halld-controls-bounces@jlab.org"><halld-controls-bounces@jlab.org></a> on
behalf of Hovanes Egiyan via Halld-controls
<a class="moz-txt-link-rfc2396E" href="mailto:halld-controls@jlab.org"><halld-controls@jlab.org></a><br>
<b>Sent:</b> Friday, March 10, 2023 9:17 AM<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:halld-controls@jlab.org">halld-controls@jlab.org</a>
<a class="moz-txt-link-rfc2396E" href="mailto:halld-controls@jlab.org"><halld-controls@jlab.org></a><br>
<b>Subject:</b> [Halld-controls] FCAL-II controls discussions</font>
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<p class="x_MsoNormal">Hi all, </p>
<p class="x_MsoNormal"> </p>
<p class="x_MsoNormal">I scheduled an extra meeting for next
Thursdays, March 16, at 10am to discuss slow controls for
FCAL-2 in details. Sasha will be presenting the
requirements. There will be no other topics on the agenda
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<p class="x_MsoNormal">We will have our regular Hall D
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<p class="x_MsoNormal">Hovanes. </p>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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