LaCoste & Romberg LLC
The first name in gravity since 1939

MVR FEEDBACK SYSTEM MANUAL

TABLE OF CONTENTS

CHAPTER 1 - SYSTEM DESCRIPTION

• Purpose of Feedback System
• MVR Feedback Card
• Field Installation
• Factory Installation

CHAPTER 2 - OPERATION

• MVR Power/Range Adjustment
• Reading Line Adjustment
• Power Supply
• Oscillation of Beam
• Nulling Dial Clamp
• Earth Ground
• Analog Output Connector
• Analog Output Cable

CHAPTER 3 - GRAVITY TIDE MONITORING

• Data Logging
• Resetting the Nulling Dial

CHAPTER 4 - GRAVITY SURVEYING

• Microgravity Surveying (Less than 2 mGal)
• Surveying of Gravity Differences Greater than 2 mGal

CHAPTER 5 - FEEDBACK OUTPUT MONITORING

• Internal 4.5 Digit System Monitor
• External DVM Monitor

CHAPTER 6 - CALIBRATION

CHAPTER 7 - REFERENCES

CHAPTER 8 - SCHEMATICS

Product Information

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