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<title>Specifications for PCA25 - 25mm, Capacitive Analog Sensor w/voltage output </title>
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Mechanical Specifications and Wiring</font></td>
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<td align="center" valign="center" bgcolor="#ffffd2"><img src="images/PCA25_dim.gif" height="150" width="200" alt="PCA25 Dimensions" border="0"></td>
<td align="center" valign="center" bgcolor="#ffffd2"><img src="images/EA18_wir.gif" height="64" width="197" alt="PCA25 Wiring Diagram" border="0"></td>
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<td align="left" valign="center" bgcolor="#ffffd2"><font size="2"><strong>Housing : </strong>
molded ABS w/ end cap <br>8-32 threaded insert, for external sensor<br>
<br>
<strong>Encapsulation : </strong> epoxy<br>
<br>
<strong>Power/Output Cable: </strong> 2 meters ( 3 wires ), standard<br>
<br>
<strong>Adjustment: </strong> 15-turn potentiometer<br></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><img src="images/PCA25_oc.gif" height="130" width="167" alt="PCA25 Output Characteristics" border="0"></td>
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<td align="center" valign="center" bgcolor="#000000"><font size="3" color="#ffffff"><strong>Mechanical Specifications</strong></font></td>
<td align="center" valign="center" bgcolor="#000000"><font size="3" color="#ffffff"><strong>Wiring Diagram<br>Output Characteristics</strong></font></td>
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<br><a name="specs"></a>
<br>
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<td align="center" background="images/gp%20tartan.gif" height="40" colspan="6"><font color="#efef00" size="5">Electrical Specifications</font></td>
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<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Input Voltage</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Supply Ripple</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Operating Current</strong></font><br><font size="2">nominal</font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Output Voltage</strong></font><br><font size="2">nominal</font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Output Current</strong></font><br><font size="2">maximum</font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Circuit<br>Protection</strong></font></td>
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<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>10-30 VDC</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>10%</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>12 mA</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>1 - 6 VDC</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>10 mA</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>reverse polarity
<br>and<br>current limiting</strong></font></td>
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<td align="center" background="images/gp%20tartan.gif" height="50" colspan="6"></td>
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<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Sensitivity Range</strong></font><br><font size="2">pF</font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong> </strong></font><br><font size="2"> </font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Temperature<br>Range</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="3"><strong>Relative<br>Humidity</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92" colspan="2"><font size="3"><strong>Environment</strong></font></td>
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<td align="center" valign="center" bgcolor="#000000" height="7" colspan="6"></td>
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<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>0 - 5</strong></font></td>
<td align="center" valign="center" bgcolor="#ffff92"><font size="2"><strong> </strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>+ 50<sup>o</sup> F to + 130<sup>o</sup> F
<br>+ 10<sup>o</sup> C to + 55<sup>o</sup> C</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2"><font size="2"><strong>0 - 95%</strong></font></td>
<td align="center" valign="center" bgcolor="#ffffd2" colspan="2"><font size="2"><strong>unaffected by normal
factory conditions<br>of dirt, grease and vibration</strong></font></td>
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<td align="center" background="images/gp%20tartan.gif" height="50" colspan="6"></td>
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<br><a name="install"></a>
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<td align="center" background="images/gp%20tartan.gif" height="10%" colspan="3"><font color="#efef00" size="5">Installation/Setup Procedures</font></td>
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<td align="center" valign="center" bgcolor="#000000" width="50%"><font size="3" color="#ffffff"><strong>Mechanical Installation</strong></font></td>
<td align="center" valign="center" width="1"></td>
<td align="center" valign="center" bgcolor="#000000" width="49%"><font size="3" color="#ffffff"><strong>Electrical Installation</strong></font></td>
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<td align="left" valign="top" bgcolor="#ffffd2"><font size="3"><strong>
Use a <a href="12A272.htm">12A272</a> mounting clamp, or its equivalent, to securely mount the
sensor.<br>
<br>Multiple units must be spaced at least 25mm apart, laterally, and the
sensing face of each unit must extend 25mm beyond any mounting bracket.<br>
<br>As a general rule, expanded sensing elements must be spaced a minimum of the sensor diameter away
from each other.<br></strong></font></td>
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<td align="left" valign="top" bgcolor="#ffffd2"><font size="3"><strong>
Your sensor's electrical connections must agree with those shown in the
<a href="PCA25_specs.htm#wire">wiring diagram</a> above.</strong></font></td>
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<td align="center" valign="center" bgcolor="#000000" colspan="3"><font size="3" color="#ffffff"><strong>Setup Procedure</strong></font></td>
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<td align="left" valign="top" bgcolor="#ffffd2" colspan="3"><font size="3"><strong>
Connect a DC voltmeter between the output lead of the sensor and ground.<br>
<br>With no target present, turn the adjustment potentiometer fully clockwise (CW).
The voltmeter should read greater than 6 volts.
Then, turn the pot counterclockwise (CCW) until the voltage drops to approximately 3 volts.<br>
<br>Place the intended target material in the sensing field and adjust for the desired voltage outputs,
with respect to the variations you wish to monitor.</strong></font></td>
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<td align="center" bgcolor="#ffffd2" width="20%"><font size="2"><em>phone: </em><br><strong>+1 800. 315. 9233</strong></font></td>
<td align="center" bgcolor="#ffffd2" width="30%"><font size="2"><em>email: </em><br></font>
<a href="mailto:[email protected]"><strong>[email protected]</strong></a></td>
<td align="center" bgcolor="#ffffd2" width="20%"><font size="2"><em>fax: </em><br><strong>+1 203. 775. 1162</strong></font></td>
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<font color="#efef00" size="3"><strong>� copyright 2008 Gordon Products
Incorporated</strong></font></td>
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