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Agilent Technologies UHV-24 Скачать руководство пользователя страница 28

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trict, Beijing, 100102 China Tel.: +86 (10)
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This information is subject to change
without notice.

© Agilent Technologies, Inc., 2012
Published in USA, December, 2012

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Learn more:
www.agilent.com/chem/vacuum

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Содержание UHV-24

Страница 1: ...D R A F T Vacuum Products Division UHV 24 UHV 24p Ionization Gauge Manual No 699905505 Revision F January 2014 INSTRUCTION MANUAL...

Страница 2: ...D R A F T 1 6 1 4 Copyright 2014 Agilent Inc UHV 24 UHV 24p Ionization Gauge...

Страница 3: ...representatives of Seller which are inconsistent or in conflict with the terms of this warranty shall not be binding upon Seller unless reduced to writing and approved by an officer of Seller Warrant...

Страница 4: ...UHV 24 UHV 24p Ionization Gauge This page intentionally left blank D R A F T 1 6 1 4...

Страница 5: ...ts Preface 7 Hazard and Safety Information 7 Contacting Agilent 9 UHV 24 UHV 24p Ionization Gauge 11 Principles of Operation 11 Installation 12 Operating Specifications 13 Maintenance Filament Replace...

Страница 6: ...UHV 24 UHV 24p Ionization Gauge This page intentionally left blank D R A F T...

Страница 7: ...OTE Notes contain important information Before operating or servicing equipment read and thoroughly understand all operation maintenance manuals provided by Agilent Be aware of the hazards associated...

Страница 8: ...1 Ion Gauge and Vacuum System Connections Use with Combustibles and Mixtures WARNING As with all ionization gauges this device is not intrinsically safe Exercise extreme care when using this vacuum g...

Страница 9: ...x is not compatible with aluminum and will cause damage NOTE Normally it is unnecessary to use vacuum grease However if it must be used do not use silicone types and use it sparingly Apiezon L grease...

Страница 10: ...UHV 24 UHV 24p Ionization Gauge This page intentionally left blank...

Страница 11: ...HV 24 UHV 24p Nude Ionization Gauge contains three elements Filament The filament serves as a source of electrons Grid The grid functions as the electron collector operating at a positive potential ty...

Страница 12: ...r is 10 10 A Installation Agilent 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 ele...

Страница 13: ...tage Vg 180 VDC Degas Power Requirements 40 W Grid Voltage 600 VDC max Emission Current total 67 mA DC Filament Voltage 7 V Measurement Specifications Sensitivity 25 Torr UHV 24 nominal 20 Torr UHV 24...

Страница 14: ...pressure standards that exist for UHV calibration A grounded conductive wall near the tube raises the sensitivity by as much as 30 This is typical of gauges mounted in tubulations attached to the syst...

Страница 15: ...rent is only 10 pA And that assumes that the gauge sensitivity factor of 20 Torr is somewhat accurate most likely it is lower than that Only rarely is the sensitivity factor higher than expected such...

Страница 16: ...uch as several days or will be baked for an extended period of time degassing the gauge has a negligible affect Considering that the e beam degas system used runs at a high emission current it may not...

Страница 17: ...Carefully loosen all six set screws and pull the old filament support brackets out CAUTION Handle the gauge only by its ceramic base to prevent damage to the delicate wires Wear nylon gloves to preven...

Страница 18: ...to the delicate wires Wear nylon gloves to prevent placing fingerprints on the gauge The oil from fingerprints extends pumpdown time 2 Carefully remove the stabilizing bar by very carefully cutting b...

Страница 19: ...S CORR When the gas constant is entered the gauge divides the result by the gas correction constant and displays the correct adjusted value A proper understanding for the transformation of the result...

Страница 20: ...UHV 24 UHV 24p Ionization Gauge 20 D R A F T Table 2 Gas Correction Factor Table...

Страница 21: ...UHV 24 UHV 24p Ionization Gauge D R A F T 21 Table B 0 Gas Correction Factor Table Continued...

Страница 22: ...UHV 24 UHV 24p Ionization Gauge This page intentionally left blank D R A F T...

Страница 23: ...e product e g inlet screens vent valves x Prior to shipment drain any oils or other liquids purge or flush all gasses and wipe off any excess residue x If ordering an Advance Exchange product p please...

Страница 24: ...or been exposed to any toxic or hazardous materials OR HAS pumped or been exposed to the following toxic or hazardous materials If this box is checked the following information must also be filled out...

Страница 25: ...ther Vacuum leak Other Section 6 ADDITIONAL TERMS Please read the terms and conditions below as they apply to all returns and are in addition to the Agilent Technologies Vacuum Product Division Produc...

Страница 26: ...UHV 24 UHV 24p Ionization Gauge This page intentionally left blank...

Страница 27: ......

Страница 28: ...ilent com Italy Agilent Technologies Italia S p A via F lli Varian 54 10040 Leini Torino ITALY Tel 39 011 997 9111 Fax 39 011 997 9350 Toll Free 00 800 234 234 00 vpt sales agilent com vpt customerser...

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