Detector of water level

<body topmargin=0 leftmargin=0 marginheight=0 marginwidth=0> <table cellpadding=0 cellspacing=0 border=0><tr> <td valign="top" colspan=2 height=80 BGCOLOR="#777777" TEXT="#080000" bgproperties="fixed" background="5f200500enpprp.gif"> <div> <A HREF="index.htm" TARGET="_top" TITLE="SPER Service professional electronics Ra"><U><B>home</B></U></A><B>     |     </B><FONT SIZE="4" COLOR="#FFCC66" FACE="Trebuchet MS" ><B>SPER Service professional electronics Rajak</B></FONT></div> <div> <A HREF="realized_devices.htm" TARGET="_top" TITLE="Realized devices"><U><B>Realized devices</B></U></A></div> <bR> <div> </div> </td> </tr><tr> <td valign="top" width=210 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> Detector of water level</div> <bR> <div> <A HREF="detector_of_water_level_voda_scheme.htm" TARGET="_top" TITLE="Detector of water level VODA scheme"><U><B>scheme</B></U></A></div> <bR> <div> <A HREF="realized_devices.htm" TARGET="_top" TITLE="Realized devices"><U><B>go back</B></U></A></div> <div>   <form method="get" action="http://www.google.com/custom" target="google_window"> <table border="0" bgcolor="#99cc99"> <tr><td nowrap="nowrap" valign="top" align="left" height="32"> </td> <td nowrap="nowrap"> <input type="hidden" name="domains" value="www.sper.hr"></input> <label for="sbi" style="display: none">Enter your search terms</label> <input type="text" name="q" size="20" maxlength="255" value="" id="sbi"></input> </td></tr> <tr> <td> </td> <td nowrap="nowrap"> <table> <tr> <td> <input type="radio" name="sitesearch" value="" id="ss0"></input> <label for="ss0" title="Search the Web"><font size="-1" color="#000000">Web</font></label></td> <td> <input type="radio" name="sitesearch" value="www.sper.hr" checked id="ss1"></input> <label for="ss1" title="Search www.sper.hr"><font size="-1" color="#000000">www.sper.hr</font></label></td> </tr> </table> <label for="sbb" style="display: none">Submit search form</label> <input type="submit" name="sa" value="Google Search" id="sbb"></input> <input type="hidden" name="client" value="pub-2650537455752702"></input> <input type="hidden" name="forid" value="1"></input> <input type="hidden" name="ie" value="ISO-8859-2"></input> <input type="hidden" name="oe" value="ISO-8859-2"></input> <input type="hidden" name="cof" value="GALT:#008000;GL:1;DIV:#336699;VLC:663399;AH:center;BGC:FFFFFF;LBGC:CAF99B;ALC:CC0000;LC:CC0000;T:000000;GFNT:800040;GIMP:800040;LH:38;LW:163;L:http://www.sper.hr/logo.gif;S:http://;FORID:1"></input> <input type="hidden" name="hl" value="en"></input> </td></tr></table> </form>   </div> <div> <B> <script type="text/javascript"></script> <script type="text/javascript" src="http://pagead2.googlesyndication.com/pagead/show_ads.js"> </script>  </B></div> <div> <B> <img src="/cgi-sys/Count.cgi?df=sperR21.dat|display=Counter|ft=6|md=6|frgb=100;139;216|dd=A|sh=F">  </B></div> </td> <td valign="top" height=400 BGCOLOR="#FFFFFF" TEXT="#080000"> <div> <B>Detector of water level</B></div> <bR> <div>      Complex is appropriate for the detection level waters in the wide temperature area because of possibilities of separatings electronics from electrodes. Used connection corresponds the connection with LM1830, but has been performed with some more significantly more inexpensive parts. Exactly the whole complex only slightly more expensive from only the price of parts of more expensive version.</div> <bR> <script async src="//pagead2.googlesyndication.com/pagead/js/adsbygoogle.js"></script>  <ins class="adsbygoogle" style="display:inline-block;width:728px;height:90px" data-ad-client="ca-pub-2650537455752702" data-ad-slot="5163197671"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div> characteristics:</div> <bR> <div> <IMG BORDER="0" SRC="Symb075c00b700dc00000000.gif" HEIGHT="15" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">power supply: 5VDC / 30mA</div> <div> <IMG BORDER="0" SRC="Symb075c00b700dc00000000.gif" HEIGHT="15" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">area of electrodes: 60mm2 on distances 5cm</div> <div> <IMG BORDER="0" SRC="Symb075c00b700dc00000000.gif" HEIGHT="15" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">frequency of work: 50kHz</div> <div> <IMG BORDER="0" SRC="Symb075c00b700dc00000000.gif" HEIGHT="15" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">amplitudes of voltages on electrodes: 1Vpp maxes</div> <div> <IMG BORDER="0" SRC="Symb075c00b700dc00000000.gif" HEIGHT="15" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">output: HC mos digital, 0V the active level (are detected the water)</div> <div> <IMG BORDER="0" SRC="Symb075c00b700dc00000000.gif" HEIGHT="15" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">lengths of connecting conduits: to 10m (the twisted pair or the koax)</div> <div> <IMG BORDER="0" SRC="Symb075c00b700dc00000000.gif" HEIGHT="15" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">dimensions (the two channel): 90 * 50 * 25mm (l* w * h)</div> <div> <IMG BORDER="0" SRC="Symb075c00b700dc00000000.gif" HEIGHT="15" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">low price</div> <div> <IMG BORDER="0" SRC="Symb075c00b700dc00000000.gif" HEIGHT="15" WIDTH="24" ALIGN="bottom" HSPACE="0" VSPACE="0">is not appropriate for the detection rainwaters and distilled waters</div> <bR> <div> example two channel usage:</div> <div> <IMG SRC="332409d0.jpg" border=0 width="320" height="157" ALIGN="BOTTOM" HSPACE="0" VSPACE="0"></div> <bR> <div> Price two channel board (without the box): 100 HRK (electrodes does not include)</div> </td> </tr></table></body>