<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=iso-8859-2">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<!--[if !mso]>
<style>
v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}
</style>
<![endif]-->
<style>
<!--
/* Font Definitions */
@font-face
{font-family:Tahoma;
panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman";}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:blue;
text-decoration:underline;}
p
{mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:"Times New Roman";}
span.StylE-mailovZprvy17
{mso-style-type:personal;
font-family:Arial;
color:navy;}
span.StylE-mailovZprvy20
{mso-style-type:personal-reply;
font-family:Arial;
color:navy;}
@page Section1
{size:595.3pt 841.9pt;
margin:70.85pt 70.85pt 70.85pt 70.85pt;}
div.Section1
{page:Section1;}
-->
</style>
<!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body bgcolor=white lang=CS link=blue vlink=blue>
<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Jak to funguje je videt z datasheetu senzoru.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Soucasti senzoru je „topeni“
to se pripoji na 5V (pokud mozno co nejpresnejsich 5V). Na „pracovni“
elektrodu se privede „snimaci“ napeti Vc </span></font><font
size=2 color=navy face=Arial><span lang=EN-US style='font-size:10.0pt;
font-family:Arial;color:navy'>< 24V.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Cidlo si muzeme
predstavit jako promenny odpor jehoz velikost se memi v zavislosti na obsahu
detekovane latky ve “vzduchu”.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:navy'>Pri obsahu 300ppm
alkoholu ve vzduchu je odpor cidla Rs= 1k az 10k, s vzrustajicim obsahem
alkoholu odpor klesa az na hodnotu ~0.1Rs , s klesajicim obsahem alkoholu
naopak roste., je na to v datasheetu graf zavislosti Ro/Rs.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Jedinym problemem je, ze sensor nema presnou
hodnotu pro hladinu alkoholu 300ppm, tato je ruzna pro kazdy sensor a pohybuje
se mezi 1k az 10k tzn., cele se to musi kalibrovat (urcit odpor daneho sensoru pri
300ppm.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Sensory figaro jsou obecne dale zavisle na
teplote, vlhkosti a case, jinak receno soucasti zarzeni by mel byt sensor
vlhkosti tak, aby slo provadet opravu na vlhkost, ale pro orientacni mereni, lze
vyjit z nejake konstanty pro dech cloveka pri dane teplote, bez teplotniho
coidla to asi nepujde.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Nevim jak u tohoto cidla, ale u cidel CO2
se kalibrace musí provádět pomerne často, protože cidlo na znacny casovy drift.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
hw-list-bounces@list.hw.cz [mailto:hw-list-bounces@list.hw.cz] <b><span
style='font-weight:bold'>On Behalf Of </span></b>Masnica Lubomir<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, March 01, 2006
5:34 PM<br>
<b><span style='font-weight:bold'>To:</span></b> HW-news<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: detektor alkoholovych
par</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>.... cidlo by bylo MCU a AD taky ale
jak to funguje jsem zatim nenasel</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>neni nekde odkaz. D.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>O schema ani tak nejde, v podstate na
to staci libovolny MCU a AD prevodnikem, cele kouzlo je v pouzitem sensoru
a jeho sehnani v mnozstvi mensim nez malem.<o:p></o:p></span></font></p>
</div>
<blockquote style='border:none;border-left:solid black 1.5pt;padding:0cm 0cm 0cm 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Pro detekci alkoholu v dechu lze
pouzit napriklad TGS 822 od firmy Figaro <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><a
href="http://www.figarosensor.com/products/822pdf.pdf">http://www.figarosensor.com/products/822pdf.pdf</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabIndex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> <a
href="mailto:hw-list-bounces@list.hw.cz">hw-list-bounces@list.hw.cz</a>
[mailto:hw-list-bounces@list.hw.cz] <b><span style='font-weight:bold'>On Behalf
Of </span></b>Masnica Lubomir<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, March 01, 2006
5:18 PM<br>
<b><span style='font-weight:bold'>To:</span></b> HW-news<br>
<b><span style='font-weight:bold'>Subject:</span></b> detektor alkoholovych par</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><strong><b><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Nem<font color=navy><span style='color:navy'>a</span></font>
n<font color=navy><span style='color:navy'>e</span></font>kdo sch<font
color=navy><span style='color:navy'>e</span></font>ma nebo odkaz na
detektor alkoholu v dechu /alkoholtest/</span></font></b></strong><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><strong><b><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>D<font color=navy><span style='color:navy'>i</span></font>k</span></font></b></strong><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><strong><b><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>-----------------------------------------------------</span></font></b></strong><b><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial;font-weight:
bold'><br>
<strong><b><font face=Arial><span style='font-family:Arial'>Lubom<font
color=navy><span style='color:navy'>i</span></font>r Masnica</span></font></b></strong><br>
<strong><b><font face=Arial><span style='font-family:Arial'>Dukelsk<font
color=navy><span style='color:navy'>a</span></font> 643</span></font></b></strong><br>
<strong><b><font face=Arial><span style='font-family:Arial'>39102 Sezimovo <font
color=navy><span style='color:navy'>U</span></font>st<font color=navy><span
style='color:navy'>i</span></font></span></font></b></strong><br>
<strong><b><font face=Arial><span style='font-family:Arial'>I<font color=navy><span
style='color:navy'>C</span></font>O : 63269392</span></font></b></strong><br>
<strong><b><font face=Arial><span style='font-family:Arial'>DI<font color=navy><span
style='color:navy'>C</span></font> : CZ - 5604137363</span></font></b></strong><br>
<strong><b><font face=Arial><span style='font-family:Arial'>Telefon : 603 /
248277</span></font></b></strong><br>
<strong><b><font face=Arial><span style='font-family:Arial'>E-mail : <a
href="mailto:masnica@kabelta.cz">masnica@kabelta.cz</a></span></font></b></strong></span></font></b><o:p></o:p></p>
</div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center>
</span></font></div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>_______________________________________________<br>
HW-list mailing list - sponsored by www.HW.cz<br>
Hw-list@list.hw.cz<br>
http://list.hw.cz/mailman/listinfo/hw-list<o:p></o:p></span></font></p>
</blockquote>
</div>
</body>
</html>