Bartington Mag648 Operation Manual

Low power three-axis magnetic field sensors
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Operation Manual for
Mag648 and Mag649
Low Power Three-Axis Magnetic Field Sensors

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Summary of Contents for Bartington Mag648

  • Page 1 Operation Manual for Mag648 and Mag649 Low Power Three-Axis Magnetic Field Sensors...
  • Page 2: Table Of Contents

    Table of Contents 1. About this Manual 1.1. Symbols Glossary 2. Safe Use 3. Introduction to the Mag648 & Mag649 Series 3.1. Vector Measurements and Conventions 4. Installing the Mag648 or Mag649 4.1. Siting the Magnetometer (Environment Recommendations) 4.2. Cable Recommendations 4.3.
  • Page 3: About This Manual

    3. Introduction to the Mag648 & Mag649 Series Both the Mag648 and Mag649 are magnetometers consisting of a cluster of three, feedback stabilised, fluxgate sensors arranged along X, Y and Z axes. Each axis provides a highly linear magnetic response, with low hysteresis and low crosstalk between axes.
  • Page 4: Vector Measurements And Conventions

    BARTINGTON INSTRUMENTS The Mag649 offers a wider bandwidth than the standard Mag648. High stability circuitry ensures that a minimum of ten years’ service should be expected. 3.1. Vector Measurements and Conventions Each magnetometer produces three independent analogue output voltages in response to the magnitude and direction of the orthogonal components of a magnetic field.
  • Page 5: Installing The Mag648 Or Mag649

    The point of each vector arrow indicates the positive direction of each axis. 4. Installing the Mag648 or Mag649 4.1. Siting the Magnetometer (Environment Recommendations) Note: Site the magnetometer several metres from any magnetic base rock to avoid compromising measurements.
  • Page 6: Pre-Installation Tests

    Caution: Ensure the polarity is correct. Incorrect polarity is likely to irreparably damage the sensor. Note: Bartington recommends the use of a current-limited power supply. 3. Connect the magnetometer to the cable connector. 4. Connect the power supply to the other cable connector.
  • Page 7: Mounting Recommendations

    Note: Other versions of the Mag648 and Mag649 have plug-in type connectors. The sensor can also mounted on the Bartington Instruments Mag-TA Universal Tripod Adaptor. See brochure DS3140, available from Bartington Instruments, for instructions on how to do this. 4.5. Post Installation Testing 1.
  • Page 8: Using The Mag648 And Mag649

    5. Using the Mag648 and Mag649 5.1. Magnetic Hysteresis Both the Mag648 and Mag649 are designed to have an extremely low magnetic hysteresis. However, Bartington Instruments recommends your magnetometer is not subjected to magnetic fields greater than their stated measuring range for extended periods as this could alter the DC offset.
  • Page 9: Care And Maintenance

    7.1. Cleaning Mag648 and Mag649 Magnetometers Use water and mild soap to remove grime only on packaged versions of the magnetometers. Caution: Never use chemicals, such as solvents, when cleaning a Mag648 or Mag649. Caution: Take particular care when cleaning around electrical connections. Bent or damaged pins may cause the magnetometer to malfunction.
  • Page 10: End Of Life Disposal

    BARTINGTON INSTRUMENTS 8. End of Life Disposal For details of when to dispose of your magnetometer refer to the section on Troubleshooting. 8.1. Waste Electrical and Electronic Equipment (WEEE) Regulations This product (electrical and electronic equipment) should not be placed in municipal waste.
  • Page 11 The copyright of this document is the property of Bartington Instruments Ltd. Bartington® is a registered trade mark of Bartington Instruments Limited in the following countries: United Kingdom, Australia, Brazil, Canada, China, European Union, India, Japan, Norway and the...

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Mag649

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