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Summary of Contents for Agilent Technologies UHV-24
- Page 1 Agilent UHV-24/UHV-24p Ionization Gauge User Manual...
- Page 2 FAR 12.211 (Technical Data) and 12.212 (Computer Software) and, for the Department of Defense, DFARS 252.227-7015 (Technical Data - Commercial Items) and DFARS 227.7202-3 (Rights in Commercial Computer Software or Computer Software Documentation). Agilent UHV-24/UHV-24p Ionization Gauge User Manual...
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Page 3: Table Of Contents
Proper use Improper use Grounding the Gauge Controller Use with Combustibles and Mixtures Vacuum Equipment Cleanliness Disposal Service Technical Information Description of the UHV-24/UHV-24p Ionization Gauge Operation Installation Technical Specifications Application Notes Degas Bakeout Maintenance: Filament Replacement Tungsten Filament Replacement... - Page 4 Instructions for Use Agilent UHV-24/UHV-24p Ionization Gauge User Manual...
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Page 5: Instructions For Use
About this manual Validity Definitions and terminology Definition of Caution, Warning and Note Warning Symbols Safety Proper use Improper use Grounding the Gauge Controller Use with Combustibles and Mixtures Vacuum Equipment Cleanliness Disposal Service Agilent UHV-24/UHV-24p Ionization Gauge User Manual... -
Page 6: About This Manual
About this manual Validity This manual lists the instructions for the users of the UHV-24/UHV-24p Ion Gauge, with particular reference to the notions relating to safety, operation and first level maintenance, limited to maintenance operations for which the user is responsible. -
Page 7: Definitions And Terminology
Warning messages draw the operator's attention to a specific procedure or WARNING practice which, if not performed correctly, could result in serious personal injury. Notes are intended to call attention to important information and provide more NOTE detail regarding specific steps. Agilent UHV-24/UHV-24p Ionization Gauge User Manual... -
Page 8: Warning Symbols
Warning Symbols The following is a list of symbols that appear in conjunction with warnings on the UHV-24/UHV-24p Ion Gauge. The hazard they describe is also shown. A triangular symbol indicates a warning. The meanings of the symbols that may... - Page 9 When you see this symbol, refer to the relevant operation or service manual for the correct procedure referred to by that warning label. The following symbols appear on the instrument for your information. Production date Dangerous voltages Hot surfaces Generic hazard CE certification Waste Electrical and Electronic Equipment Agilent UHV-24/UHV-24p Ionization Gauge User Manual...
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Page 10: Safety
Agilent Technologies declines all responsibility for damage to the product or for the physical safety of the operator or third parties deriving from the non-observance of the safety rules indicated in the technical documentation. -
Page 11: Improper Use
WARNING and CAUTION notes. Grounding the Gauge Controller Be certain that your UHV-24/UHV-24p Ion Gauge Controller and vacuum system are separately grounded to a common ground. • Do not place a ground wire between the vacuum chamber and the controller WARNING chassis;... -
Page 12: Use With Combustibles And Mixtures
Normally, it is unnecessary to use vacuum grease. NOTE However, if it must be used, do not use silicone types, and use it sparingly. Apiezon® L grease is recommended (Agilent Part Number 695400004). Agilent UHV-24/UHV-24p Ionization Gauge User Manual... -
Page 13: Disposal
Parent Company or a retailer, to initiate the collection and disposal process after checking the contractual terms and conditions of sale. Figure 2 Logo "WEEE" For more information refer to: http://www.agilent.com/environment/product/index.shtml Agilent UHV-24/UHV-24p Ionization Gauge User Manual... -
Page 14: Service
Instructions for Use Service Should a customer need an advanced exchange or repair service, please contact local distributor or directly e-mail to: vpt-customercare@agilent.com vpl-customercare@agilent.com Agilent UHV-24/UHV-24p Ionization Gauge User Manual... -
Page 15: Technical Information
Technical Information Technical Information Description of the UHV-24/UHV-24p Ionization Gauge Operation Installation Technical Specifications Application Notes Degas Bakeout Maintenance: Filament Replacement Tungsten Filament Replacement Yttria-coated iridium filament Replacement Gas Correction Factors Accessories and spare parts Agilent UHV-24/UHV-24p Ionization Gauge User Manual... -
Page 16: Description Of The Uhv-24/Uhv-24P Ionization Gauge
Technical Information Description of the UHV-24/UHV-24p Ionization Gauge The UHV-24 Nude Ionization Gauge, with an x-ray limit of 2x10 Torr, provides reliable pressure measurement from 1 mTorr down to 2x10 Torr, with reduced performance at pressures lower than 2x10 Torr. - Page 17 Thus, S = 1 I For UHV-24 gauges, S for air (nitrogen) is 25 (Torr)-1. For the UHV-24p, S for air (Nitrogen) is 20 (Torr) . The normal operating electron current is 4 mA. For the...
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Page 18: Installation
Technical Information Installation The UHV-24 and UHV24p Nude Ionization Gauges can be operated with any ion gauge control unit capable of supplying the necessary operating voltages and currents. Degassing of this gauge is by electron bombardment of the grid. To install the gauge: Remove the metal sleeve protecting the collector wire. -
Page 19: Technical Specifications
Torr ≤ 0.1 mA for pressure over 1x10 Torr Materials Filament: Tungsten or yttria-coated iridium filaments Filament Supports: SST Collector - tungsten: • 0.007" diameter for UHV-24 • 0.002" for UHV-24p Grid: SST Feedthrough: SST, Alumina, Nickel Alloy Agilent UHV-24/UHV-24p Ionization Gauge User Manual... - Page 20 Technical Information Figure 3 Typical Gauge Characteristics Graphs Agilent UHV-24/UHV-24p Ionization Gauge User Manual...
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Page 21: Application Notes
There is a tradeoff between the gauge pumping and the gauge out-gassing that may compensate one for the other. Agilent UHV-24/UHV-24p Ionization Gauge User Manual... - Page 22 This often happens when the Ion pumps are running on one phase of the AC power system and the instrumentation is operating off another phase. Experimentation is usually the only answer to find and fix this kind of problem. Agilent UHV-24/UHV-24p Ionization Gauge User Manual...
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Page 23: Degas
Technical Information Degas All UHV-24 and UHV24p ionization gauges are operated and degassed at the factory before shipment. Whether to degas the gauge after installation depends upon the application. In large systems that take a long time to pump down, such as several days, or will be baked for an extended period of time, degassing the gauge has a negligible affect. -
Page 24: Maintenance: Filament Replacement
Tighten the set screws. Insert the short filament support brackets into their collars, pushing them in as far as they will go before tightening the set screws. This ensures proper tension on the filament. Agilent UHV-24/UHV-24p Ionization Gauge User Manual... -
Page 25: Yttria-Coated Iridium Filament Replacement
Insert the short filament support brackets into their collars, pushing them in as far as they will go before tightening the set screws. This ensures proper tension on the filament. Carefully trim the remainder of the stabilizing bar from each filament post. Agilent UHV-24/UHV-24p Ionization Gauge User Manual... -
Page 26: Gas Correction Factors
Robert L. Summers of Lewis Research Center, NASA Technical Note TND-5285, National Aeronautics and Space Administration, Washington, DC, June 1969. To automatically convert the UHV-24/UHV-24p readings (normally calibrated for nitrogen): Pls refer to XGS instruction manual for gas correction setting. - Page 27 Technical Information Table 2 Gas Correction Factors Agilent UHV-24/UHV-24p Ionization Gauge User Manual...
- Page 28 Technical Information Table 2 Gas Correction Factors, continued Agilent UHV-24/UHV-24p Ionization Gauge User Manual...
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Page 29: Accessories And Spare Parts
Technical Information Accessories and spare parts Table 3 Accessories and spare parts Part Number Description X3004-64403 Filament replacement kit (yttria-iridium) 9710018 UHV-24 Filament Replacement kit, Tungsten Agilent UHV-24/UHV-24p Ionization Gauge User Manual... - Page 35 Request for Return Form United States India (Sales) India (Service) Agilent Technologies Agilent Technologies India Pvt. Ltd. Agilent Technologies India Pvt. Ltd. 121 Hartwell Avenue Unit Nos 110- 116, & Part of 101 & 109 C-Block, RMZ Centennial Plot Number- 8A, 8B, 8C,...
- Page 36 The manual describes the following: Instruction for Use Technical information This information is subject to change without notice. © Agilent Technologies, Inc. 2023 Agilent Technologies Italia S.p.A. Vacuum Products Division *699905505* Edition 02/23 Via F.lli Varian, 54 *699905505* Issue G.00...