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Related Manuals for Instrutech The Worker Bee CVG101
Summary of Contents for Instrutech The Worker Bee CVG101
- Page 1 InstruTech®, Inc. CVG101 Convection Vacuum Gauge The Worker Bee™ User Manual InstruTech, Inc. 1475 S. Fordham St. Longmont, CO 80503 Phone: +1-303-651-0551 Fax: +1-303-678-1754 E-mail info@instrutechinc.com www.instrutechinc.com p/n 000085-103...
- Page 2 Copyright © 2011 by InstruTech, Inc. All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or by any information storage or retrieval system, except as may be expressly permitted in writing by InstruTech, Inc.
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Page 3: Table Of Contents
Gases other than Nitrogen / air ....................5 Installation ............................6 Using the gauge with different gases ....................7 Service ..............................9 Calibration .............................9 Maintenance ..........................9 Troubleshooting ..........................9 Contamination ..........................10 Gauge Replacement ........................11 Factory Service and Support .......................12 Warranty .............................12 InstruTech, Inc. Page 1... -
Page 4: Introduction / General Information
The InstruTech® CVG101 Worker Bee™ is a convection-enhanced Pirani vacuum gauge sensor that interfaces with external controllers such as the InstruTech VGC301 controller. The CVG101 is also a direct drop-in replacement pin-pin compatible gauge for the Brooks Automation, Inc. / Granville-Phillips® 275 Convectron®... -
Page 5: Important Safety Information
CVG101 Worker Bee Important Safety Information InstruTech has designed and tested this product to provide safe and reliable service, provided it is installed and operated within the strict safety guidelines provided in this manual. Please read and follow all warnings and instructions. -
Page 6: Safety Precautions - Service And Operation
It is important that the product be periodically inspected for sound electrical connections and equipment grounding. Do not use if the equipment grounding or electrical insulation has been compromised. Do not use if the unit has been dropped. Contact InstruTech for further instructions regarding evaluation of the damaged sensor. -
Page 7: Overpressure And Use With Hazardous Gases
) or air without referring to correction factor data tables. InstruTech gauges are calibrated for direct readout of nitrogen or air. Do not attempt to use with other gases such as argon (Ar) or carbon dioxide (CO ) unless accurate conversion data for N to other gas is properly used. -
Page 8: Installation
PTFE (Teflon®) tape and hand tighten the gauge into the gauge port. Do not use a wrench or other tool which may damage the gauge. InstruTech, Inc. Page 6... -
Page 9: Using The Gauge With Different Gases
(N ) and the gas in use. The gas correction data, charts and tables listed in your controller (such as the InstruTech VGC301 controller) User Manual indicates how different gases affect the display and output from an InstruTech convection gauge. - Page 10 The X-axis is the pressure reading indicated by the convection gauge under test. This chart shows readings for an InstruTech convection gauge (CVG) and Granville-Phillips® Convectron® gauge to illustrate that the difference in the response for both of these types of gauges is virtually indistinguishable.
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Page 11: Service
Torr. Care should be exercised when using gases other than nitrogen (N ) / air. 5.2 Maintenance In general, maintenance is not required for your InstruTech gauge. Periodic performance checks may be done by comparing the gauge to a known reference standard. 5.3 Troubleshooting... -
Page 12: Contamination
Thermal vacuum gauges may be available with different sensor materials that are not as reactive with your particular process gases. The standard gold plated tungsten sensor used in the InstruTech convection gauge is offered for use with air and inert gases such as N , argon, etc. -
Page 13: Gauge Replacement
In the event of gauge contamination please contact the factory to return the gauge for possible cleaning if the gauge has not been exposed to hazardous materials. 5.5 Gauge Replacement If the CVG101 gauge fails for any reason, and cleaning does not resolve the issue, the CVG101 gauge should be replaced. InstruTech, Inc. Page 11... -
Page 14: Factory Service And Support
(examination of which shall disclose to SELLER's satisfaction that it is defective) returned, to SELLER's plant, properly identified within 24 months (unless otherwise noted) after the date of shipment from InstruTech Plant. BUYER must obtain the approval of SELLER and a return authorization number prior to shipment. - Page 15 Instruction Manual CVG101 Worker Bee InstruTech, Inc. Page 13...
- Page 16 InstruTech®, Inc. 1475 S. Fordham St. Longmont, CO 80503 Phone: +1-303-651-0551 Fax: +1-303-678-1754 E-mail info@instrutechinc.com www.instrutechinc.com p/n 000085-103...
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