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		document.write('<div style="font-family:Arial, Helvetica, sans-serif;font-size:14px;font-weight:bold;color:#F75714;">More  Product Information for the Vernier Software Vernier Photogate</div>');
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		document.write('<p>The Vernier Photogate works both as a traditional photogate for objects passing between the gate arms, and as a laser gate for objects passing outside of the gate. The gate has an input port so multiple gates can be connected in a daisy-chain configuration with up to four gates going to a single interface channel. The Vernier Photogate also supports auto-ID with compatible software.</p><p>Photogates can be used to study free fall, air track collisions, pendulum periods, the speed of a rolling object, and many other things. The Vernier Photogate includes an accessory rod for mounting to a common ring stand.</p><p>The laser gate mode requires the addition of a common pen laser, which is directed into the laser port. The laser may be some distance from the gate, so that you can measure the speed of larger objects such as a rocket, model car, or even a real automobile.</p>			</td>');
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		document.write('<div style="font-family:Arial, Helvetica, sans-serif;font-size:14px;font-weight:bold;color:#F75714;"><B>Specifications</B></div><BR>');
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		document.write('<td colspan=2 bgcolor="#cccccc">General Information</td>');
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		document.write('<td valign=top NOWRAP>Manufacturer</td>');
		document.write('<td>Vernier Software & Technology</td>');
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		document.write('<td valign=top NOWRAP>Manufacturer Part Number</td>');
		document.write('<td>VPG-BTD</td>');
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		document.write('<td valign=top NOWRAP>Manufacturer Website Address</td>');
		document.write('<td>http://www.vernier.com</td>');
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		document.write('<td valign=top NOWRAP>Brand Name</td>');
		document.write('<td>Vernier</td>');
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		document.write('<td valign=top NOWRAP>Product Model</td>');
		document.write('<td>VPG-BTD</td>');
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		document.write('<td valign=top NOWRAP>Product Name</td>');
		document.write('<td>Laboratory Photogate</td>');
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		document.write('<td valign=top NOWRAP>Product Type</td>');
		document.write('<td>Laboratory Photogate</td>');
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		document.write('<td colspan=2 bgcolor="#cccccc">Miscellaneous</td>');
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		document.write('<td valign=top NOWRAP>Package Contents</td>');
		document.write('<td><ul><li>Laboratory Photogate</li><li>Cable</li><li>Accessory Rod</li></ul></td>');
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		document.write('<td valign=top NOWRAP>Additional Information</td>');
		document.write('<td><ul><li>Power Requirements: 5 VDC at 40 mA</li><li>Infrared Source: Peak at 880 nm</li><li>Output is high and LED off for unblocked gate</li><li>Output is low and LED on for blocked gate</li></ul><p><b>Photogate can be used for a wide variety of experiments in physics and physical science classes, examples include:</b></p><ul><li>Measuring freefall acceleration</li><li>Studying the swing of a pendulum</li><li>Measuring the speed of a rolling object</li><li>Timing the period of a rotating object</li><li>Measuring the speed of objects undergoing collisions</li></ul><p><b>The Photogate is designed for use with the following interfaces:</b></p><ul><li>Vernier LabPro (for use with computers, TI graphing calculators, or Palm OS handhelds) (BTD version)</li><li>Vernier LabQuest (as a standalone device or with a computer (BTD version)</li><li>Vernier LabQuest Mini with a computer (BTD version)</li><li>Texas Instruments CBL 2 (BTD version)</li><li>Universal Lab Interface (ULI) (DG version)</li><li>Vernier SensorDAQ</li></ul></td>');
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		document.write('<td colspan=2 bgcolor="#cccccc">Warranty</td>');
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		document.write('<td valign=top NOWRAP>Limited Warranty</td>');
		document.write('<td>5 Year</td>');
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