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Geometrics G-882 User Manual

Geometrics G-882
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G−882 CESIUM MARINE
MAGNETOMETER
25919-OM REV. E
Operation Manual
COPYRIGHT © 2005
GEOMETRICS, INC.
2190 Fortune Drive, San Jose, California 95131 USA
Phone: (408) 954-0522
Fax: (408) 954-0902
email: sales@mail.geometrics.com
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Geometrics G-882 Specifications

General IconGeneral
BrandGeometrics
ModelG-882
CategoryMarine Equipment
LanguageEnglish

Summary

Introduction

How it Works

Explains the principles of Cesium-vapor atomic resonance magnetometry.

Quick Start Hardware Guide

Nose Tow Configuration

Details how to connect the tow cable to the nose of the fish for towing.

Converting Nose Tow to CG Tow

Instructions for changing the tow configuration from nose to center of gravity.

Adjusting Handle And Orientation Weight

Guidance on adjusting the handle and orientation weight for sensor housing.

Attaching the Tow Cable to the Vessel

Describes how to securely attach the tow cable to the vessel using a Kellems grip.

Powering Up the System

Steps for connecting power and turning on the magnetometer system.

Quick Start Software Guide

What Does MagLog Do?

Overview of the MagLog software's data logging and display capabilities.

The Survey Wizard

Step-by-step guide to initializing the survey setup using the wizard.

General Overview

Operation and FAQ

Discusses operation with logging software and common user questions.

Performance

Details the G-882 magnetometer's output, sensitivity, and accuracy.

Sensor Orientation Guide

Explains how to orient the sensor for optimal performance in different regions.

Main Field Inclination and Total Intensity Maps

Maps to determine inclination and total intensity for sensor adjustment.

CM-221 Counter Data Format and Command Structure

Describes the data format and commands for the CM-221 counter module.

Accessory Software

Introduces optional software like CSAZ, CM201, and calibration tools.

Depth Calibration Using MagLog-Lite or MagLog

Procedure for calibrating the depth sensor using MagLog software.

Assembly, Installation and Use

Covers the physical assembly, installation, and deployment of the system.

Deployment of the G−882 Magnetometer

Procedures for deploying the magnetometer system.

Service Information and Trouble Shooting Guide

Connector Information

Details the various connectors used on the G-882 system.

O-ring Maintenance

Provides instructions for maintaining O-rings when re-installing a bulkhead.

Depth Sensor Ratings

Lists the operating pressure ratings for different depth sensors.

Tow Cable Strength Data

Provides specifications for original and new tow cables.

Trouble Shooting Guide

Offers solutions for common operational symptoms and probable causes.

The Diagnostic Survey – How to use it

Guide on using the MagLog Diagnostic Survey for system checks.

Voltage Calibration for Magnetometers using CM-221 Counters

Instructions for calibrating voltage measurements using CM-221 counters.

Appendix A – Optically Pumped Magnetometer Theory

Appendix B – System Connection Wiring Diagrams

Appendix C: G-882 With Larmor Output