Cs-3 Manual - Scintrex

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SCINTREX LIMITEDHEAD OFFICESCINTREX Limited222 Snidercroft RoadConcord, OntarioCanada, L4K 1B5tel: (905) 669-2280fax: (905) 669-6403e-mail:scintrex@scintrexltd.comIn the U.S.A.SCINTREX U.S.A.900 Woodrow LaneSuite 100Denton, Texas 76205tel: (940)591-7755fax: (940) 591-1968e-mail:richardj@scintrexusa.comIn Australia/ S.E. Asia/SCINTREX/AuslogP.O. Box 125 Sumner Park83 Jijaws Street, BrisbaneQLD Australia 4074tel: (+61-7) 3376-5188fax: (+61-7) 3376-6626e-mail: Auslog@auslog.com.auWorld-wide web: http://www.scintrexltd.comCopyright © SCINTREX Limited 2002. All rights reserved.No part of this publication may be reproduced, stored in a retrieval system ortransmitted, in any form, or by any means, electronic, mechanical,photo-copying, recording, or otherwise, without prior consent fromSCINTREX Limited.Document Part No. 762701, Revision 1.0Printed and bound in CanadaCS-3 <strong>Manual</strong> - part # 762701 Revision 1.0
Table of ContentsTable of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vForewordAdvantages of Optical Pumping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iiAdvantages of Self Oscillation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iiiGetting StartedAbout this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1Page Numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1Type 2nd Styles Draft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2Chapter Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4Understanding Instrument Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5Sensor Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-52Sensor Electronics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7Operating the 2nd CS-3 in the FieldSetting Up the CS-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2Mounting the CS-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3Powering Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4Obtaining the Larmor Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5Setting the Operating Hemisphere . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7Operating in the Presence of Spurious Magnetic Fields . . . . . . . . . . . . . . . . . . . . . 2-10Table of ContentsOrienting Your CS-3Understanding the Active Zone of the CS-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2Using a Strapped Down CS-3 for Surveys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7Calculating the Tumble Angle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7Recommended Survey Orientations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18Comparison with the Locked Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20Maintaining Your CS-3 and Trouble-shootingTrouble-shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2Reference InformationCS-3 Technical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1CS-3 <strong>Manual</strong> - part # 762701 Revision 1.0v
Page 1 and 2: &6066FLQWUH[#&HVLXP#9DSRU#0DJQHWRPH
Page 3: &6066FLQWUH[#&HVLXP#9DSRU#0DJQHWRPH
Page 7 and 8: ForewordForewordThe CS-3 is an opti
Page 9 and 10: High Gradient ToleranceAbsorption c
Page 11 and 12: • the interfering EM field are no
Page 13 and 14: 1 GettingStartedStartupAbout this m
Page 15 and 16: About this manualChapter LayoutThis
Page 17 and 18: Understanding Instrument BasicsUnde
Page 19 and 20: Understanding Instrument BasicsSens
Page 21 and 22: Understanding Instrument BasicsIt p
Page 23 and 24: 2 Operating theCS-3 in theFieldBy n
Page 25 and 26: Setting Up the CS-3Mounting the CS-
Page 27 and 28: Obtaining the Larmor SignalObtainin
Page 29 and 30: Setting the Operating HemisphereSet
Page 31 and 32: Setting the Operating HemisphereEle
Page 33 and 34: Operating in the Presence of Spurio
Page 35 and 36: 3 OrientingYour CS-3An ideal magnet
Page 37 and 38: in the southern polar orientation t
Page 39 and 40: OrientationFigure 7a - Plot of tumb
Page 41 and 42: Using a Strapped Down CS-3 for Surv
Page 43 and 44: Sensor Inclination 90°From the gra
Page 45 and 46: Figure 10 - Plot of tumble angle ve
Page 47 and 48: Figure 12 - Plot of tumble angle ve
Page 49 and 50: Sensor Inclination 22.5°The orient
Page 51 and 52: Sensor Inclination 0°The orientati
Page 53 and 54: In the overlap regions the tumble a
Page 55 and 56:
Only two orientations are useful an
Page 57 and 58:
4Maintaining YourCS-3 andTrouble-sh
Page 59 and 60:
Trouble-shootingThere are largespur
Page 61 and 62:
Reference5 ReferenceInformationCS-3
Page 63 and 64:
Instrument Parts ListInstrument Par
Page 65 and 66:
Warranty and RepairConcord, Ontario
Page 67 and 68:
ATheory ofOperationTheorySystem Ove
Page 69 and 70:
Therefore, no pumping is taking pla
Page 71 and 72:
BCS-3 BlockDiagramTheoryAs shown on
Page 73 and 74:
IndexAAbsorption cellmagnetic field
Page 75:
Head Office222 Snidercroft RoadConc
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Cs-3 Manual - Scintrex

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