Model HI-3624A
ELF Magnetic Field Meter
User Manual
ETS-Lindgren L.P. reserves the right to make changes to any product described
herein in order to improve function, design, or for any other reason. Nothing
contained herein shall constitute ETS-Lindgren L.P. assuming any liability
whatsoever arising out of the application or use of any product or circuit
described herein. ETS-Lindgren L.P. does not convey any license under its
patent rights or the rights of others.
© Copyright 1991–2009 by ETS-Lindgren L.P. All Rights Reserved. No part
of this document may be copied by any means without written permission
from ETS-Lindgren L.P.
Trademarks used in this document: The ETS-Lindgren logo is a trademark of
ETS-Lindgren L.P.
Revision Record | HI-3624A ELF Magnetic Field Meter, MANUAL
Part #H-600044, Rev. B
Revision Description Date
Initial Release April, 1991
A Added CE, updated January, 2000
B Updated branding: Revised to
meet Style Guide specifications;
reformatted to half-size; PIB
included with release; Remove HI3624 reference. Remove VDT
reference.
ii |
July, 2009
Table of Contents
Notes, Cautions, and Warnings ................................................ v
1.0 Introduction .......................................................................... 7
Standard Configuration .................................................................................. 8
ETS-Lindgren Product Information Bulletin ................................................... 8
2.0 Maintenance ......................................................................... 9
Battery Replacement ..................................................................................... 9
Annual Calibration ......................................................................................... 9
Service Procedures ....................................................................................... 9
3.0 Specifications ..................................................................... 11
Electrical Specifications ............................................................................... 11
Physical Specifications ................................................................................ 11
4.0 Practical Application and Use .......................................... 13
Example Application .................................................................................... 13
5.0 Operation ............................................................................ 17
Appendix A: Warranty ............................................................. 19
Appendix B: EC Declaration of Conformity .......................... 21
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Notes, Cautions, and Warnings
Note: Denotes helpful information intended to
See the ETS-Lindgren Product Information Bulletin for safety,
regulatory, and other product marking information.
provide tips for better use of the product.
Caution: Denotes a hazard. Failure to follow
instructions could result in minor personal injury
and/or property damage. Included text gives proper
procedures.
Warning: Denotes a hazard. Failure to follow
instructions could result in SEVERE personal injury
and/or property damage. Included text gives proper
procedures.
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vi |
1.0 Introduction
The HI-3624A ELF Magnetic Field Meter is designed to measure the flux density
of magnetic fields in the frequency range of 30 Hz to 2 kHz. The Model
HI-3624A provides for a switch selectable measurement range from 5 Hz to 2
kHz. It finds application in the measurement of magnetic fields associated with
electric power lines and electrically operated appliances.
The HI-3624A is a single axis flux density meter designed to be responsive to
either sinusoidal or complex magnetic fields. It directly displays the root-meansquare (rms) value of magnetic flux density on an analog meter. The sensor
consists of a multi-turn loop connected to the instrumentation readout package
via a one meter long cable.
The separate loop sensor provides for orientation of the sensor relative to the
various magnetic field polarization components. This allows quick assessment of
the greatest flux density value while conveniently holding the instrument for easy
meter reading. This feature makes the HI-3624A especially useful for rapid,
large area surveys of magnetic fields.
The field sensor loop is electrically shielded; consequently the response of the
HI-3624A is solely due to magnetic fields. No interference is caused by ambient
strong electric fields like those found beneath high voltage, overhead electric
power lines or nearby radio or television stations.
Introduction | 7
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