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CG–3/3M AUTOGRAV - Scintrex

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Section 7: TROUBLESHOOTINGSection 8: REFERENCE INFORMATIONAutograv Specifications . . . . . . . . . . . . . . . . . . . . . . 8–1Standard Accessories . . . . . . . . . . . . . . . . . . . . . . . 8–2Optional Accessories . . . . . . . . . . . . . . . . . . . . . . . . 8–3Application Software . . . . . . . . . . . . . . . . . . . . . . . . 8–4Training. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–4Instrument Parts List. . . . . . . . . . . . . . . . . . . . . . . . 8–5CG-3 Gravity Meter . . . . . . . . . . . . . . . . . . . . . . . . . 8–5Options and Accessories . . . . . . . . . . . . . . . . . . . . . 8–5Spare Parts Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–6Warranty and Repair . . . . . . . . . . . . . . . . . . . . . . . . 8–7Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–7Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8–7When to Ship the Unit . . . . . . . . . . . . . . . . . . . 8–7Description of Problem . . . . . . . . . . . . . . . . . . . 8–8How to Ship the Unit . . . . . . . . . . . . . . . . . . . . 8–8Appendix A: THEORY OF OPERATIONIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A–1Control Console and Software . . . . . . . . . . . . . . . . . A–5Spring Service Life and Reading Range . . . . . . . . . A–7Processing of the Gravity Signal. . . . . . . . . . . . . . . A–10Compensation and Corrections. . . . . . . . . . . . . . . . A–12Drift Correction . . . . . . . . . . . . . . . . . . . . . . . . . . . A–12Tilt Correction (TIC) . . . . . . . . . . . . . . . . . . . . . . . . . A–13Temperature Compensation (TEC) . . . . . . . . . . . . . . . A–15Earth Tide Correction (ETC) . . . . . . . . . . . . . . . . . . . A–16Residuals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . A–16Gravity Offset (GREF) . . . . . . . . . . . . . . . . . . . . . . . A–17Appendix B: ELASTIC HYSTERESIS EFFECTSiv Autograv CG–3/<strong>3M</strong> Manual

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