<html><head><base href="x-msg://4/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi Crispin,<div><br></div><div>Would this Bacharach Smoke Detector work for measuring the PM emissions from a stove similar to using a PM gravimetric system ? Not possible to obtain real time data from it, I assume. </div><div><br></div><div>Cheers</div><div><br></div><div>Sarbagya</div><div><br><div><div>On 27/05/2013, at 10:13 PM, Crispin Pemberton-Pigott wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div lang="EN-CA" link="#0563C1" vlink="#954F72"><div class="WordSection1" style="page: WordSection1; "><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Dear Friends<o:p></o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">If you want to have a very simple PM detector the Bacharach Smoke Detector is one that may suit your budget.<o:p></o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">It uses a vacuum cylinder with hand pump and you compare the darkness of the spots on a filter paper with a chart. It turns out the blackness of the spot is a pretty good indicator of the clack carbon content. This is being studied by Berkeley, actually, using photos of filters.<o:p></o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><a href="http://www.uno.co.jp/seihin_info/catalogue/11_environmental/0479.pdf" style="color: rgb(5, 99, 193); text-decoration: underline; ">http://www.uno.co.jp/seihin_info/catalogue/11_environmental/0479.pdf</a><o:p></o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">That is the place. Look down on the left side.<o:p></o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Regards<o:p></o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; ">Crispin<o:p></o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><span style="font-size: 8pt; font-family: Garamond, serif; color: black; "><o:p> </o:p></span></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><span style="font-size: 8pt; font-family: Garamond, serif; color: black; "><o:p> </o:p></span></div><div style="margin-top: 0mm; margin-right: 0mm; margin-left: 0mm; margin-bottom: 0.0001pt; font-size: 11pt; font-family: Calibri, sans-serif; "><o:p> </o:p></div></div>_______________________________________________<br>Stoves mailing list<br><br>to Send a Message to the list, use the email address<br><a href="mailto:stoves@lists.bioenergylists.org" style="color: rgb(5, 99, 193); text-decoration: underline; ">stoves@lists.bioenergylists.org</a><br><br>to UNSUBSCRIBE or Change your List Settings use the web page<br><a href="http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org" style="color: rgb(5, 99, 193); text-decoration: underline; ">http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org</a><br><br>for more Biomass Cooking Stoves, News and Information see our web site:<br><a href="http://stoves.bioenergylists.org/" style="color: rgb(5, 99, 193); text-decoration: underline; ">http://stoves.bioenergylists.org/</a><br><br></div></span></blockquote></div><br></div></body></html>