ETS-Lindgren HI-3702 Manuel utilisateur
Model HI-3702
Clamp-On Induced
Current Meter
User Manual
ii |
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 1995–2009 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-3702 MANUAL | Part #H-600070, Rev. G
Revision Description Date
Initial Release November, 1995
A Updates May, 1996
B Update battery charger June, 1997
C Add CE label June, 1997
D Add Appendix A January, 1998
E Update battery charger specifications August, 1999
F Update contact information; reformat February, 2006
G Update frequency range; rebrand February, 2009
| iii
Table of Contents
Notes, Cautions, and Warnings................................................v
General Safety Considerations ................................................ v
1.0 Introduction..........................................................................7
Standard Configuration..................................................................................8
Optional Items................................................................................................8
ETS-Lindgren Product Information Bulletin ...................................................8
2.0 Maintenance.........................................................................9
Battery Maintenance....................................................................................10
Annual Calibration .......................................................................................10
Maintenance of Fiber Optics........................................................................10
Replacement and Optional Parts.................................................................11
Service Procedures .....................................................................................12
3.0 Ranges and Specifications...............................................13
Ranges ........................................................................................................13
Specifications...............................................................................................13
HI-3702 Typical Frequency Response ........................................................15
4.0 Operation............................................................................17
Computer Controlled Data Logging.............................................................20
Battery Charging..........................................................................................20
Error Codes .................................................................................................21
5.0 Functional Theory of Operation.......................................23
Appendix A: Warranty.............................................................25
Appendix B: Series H-491198-36 Battery Charger ...............27
Safety Precautions.......................................................................................27
Introduction..................................................................................................27
Charging a Battery.......................................................................................28
Charging Indicators......................................................................................28
Specifications...............................................................................................29
Maintenance Recommendations.................................................................30
Replacing the Fuse......................................................................................30
iv |
Appendix C: EC Declaration of Conformity ..........................33
HI-3702 Clamp-On Induced Current Meter..................................................33
Series H-491198-36 Battery Charger..........................................................34
| v
Notes, Cautions, and Warnings
Note: Denotes helpful information intended to
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.
See the ETS-Lindgren Product Information Bulletin for safety,
regulatory, and other product marking information.
General Safety Considerations
Warning: This is a Safety Class I product
(provided with a protective earthing ground
incorporated in the power cord). The mains
plus shall only be inserted in a socket outlet
provided with a protective earth contact. Any
interruption of the protective conductor,
inside or outside the instrument, is likely to
make the instrument dangerous. Intentional
interruption is prohibited. DO NOT defeat the
earth grounding protection by using an
extension cable, power cable, or
autotransformer without a protective ground
conductor.
vi |
Caution: Uninsulated voltage within the unit
may have sufficient magnitude to cause
electric shock. Therefore, it is dangerous to
make any kind of contact with any parts
inside this unit.
Caution: This instrument is shipped with a
three-wire power cable, in accordance with
international safety standards. When
connected to an appropriate power line
outlet, this cable grounds the instrument
cabinet.
Warning: No operator serviceable parts
exist inside. Refer servicing to qualified
personnel. To prevent electrical shock, do
not remove covers.
Warning: The battery charger incorporates
parts, such as a switch and relay that
potentially could produce sparks or arcs.
Warning: For indoor use only, do not
expose to rain.
See the ETS-Lindgren Product Information Bulletin for safety,
regulatory, and other product marking information.
Introduction | 7
1.0 Introduction
The ETS-Lindgren HI-3702
Clamp-on Induced Current
Meter measures the induced
body current of individuals
working in environments where
radio frequency (RF)
electromagnetic fields are
present. The HI-3702 is designed
to meet the requirements of
IEEE C95.1-1991 Standard for
Safety Levels with Respect to
Human Exposure to Radio
Frequency Electromagnetic
Fields, 3 kHz to 300 GHz.
Shown:
HI-3702 Clamp-On Current Sensor
HI-4416 Digital Readout/Control Unit
IEEE C95.1-1991 defines the acceptable levels of RF-induced body current for
the frequency range of 3 kHz to 100 MHz. The acceptable levels range from
3 mA for uncontrolled exposures at 3 kHz, to 200 mA for controlled exposures
between 100 kHz and 100 MHz.
The accuracy of the HI-3702 provides a means for determining compliance. The
unit is completely portable and self-contained, and is simple to set up and easy to
operate. The rugged design can be used for measurements in environments
such as:
•Induction heating facilities
•Industrial welding applications
•Broadcast transmitting and antenna locations
8 | Introduction
Standard Configuration
•HI-3702 Clamp-On Current Sensor with cushioned case
•HI-4416 Digital Readout/Control Unit with fiber optic cable
•Series H-491198-36 Battery Charger
•Carrying Case
Optional Items
•Belt-Pac Readout/Control Unit Case
•HI-4413P Fiber Optic Modem
ETS-Lindgren Product Information Bulletin
See the ETS-Lindgren Product Information Bulletin included with your shipment
for the following:
•Warranty information
•Safety, regulatory, and other product marking information
•Steps to receive your shipment
•Steps to return a component for service
•ETS-Lindgren calibration service
•ETS-Lindgren contact information
Maintenance | 9
2.0 Maintenance
Before performing any maintenance,
follow the safety information in the
ETS-Lindgren Product Information
Bulletin included with your shipment.
Maintenance of the HI-3702 is limited to
external components such as cables or
connectors.
Do not open the HI-3702 housing.
Warranty may be void if the housing is
opened.
If you have any questions concerning
maintenance, contact ETS-Lindgren
Customer Service.
Take care to keep dirt and moisture from getting inside the housing of the
HI-3702 Clamp-on Induced Current Meter and on the coplanar surfaces of the
ferrite core that are exposed when the clamp-on sensor is open. The cushioned
case provides only minimal protection to the clamp-on sensor in keeping dirt or
other particulate matter from entering the gap on the inner side of the housing.
Do not use high-pressure sprays, and under no circumstance should the unit be
immersed in water or other liquid; the HI-3702 is not waterproof. Such actions
void the warranty.
WARRANTY
10 | Maintenance
Battery Maintenance
Under normal operating conditions, recharging the battery is the only
HI-3702 maintenance performed by the user.
Maintaining the HI-3702 requires that the nickel-cadmium (NiCd) battery be
properly charged and the battery condition monitored. The normal operational life
of the battery (approximately 1000 charge/discharge cycles) is such that by the
time the battery needs replacement; the HI-3702 will need recalibration; these
tasks are performed by ETS-Lindgren. For information on calibration services,
see Annual Calibration on page 10.
For the steps to charge the battery, see page 20.
In case of damage to the battery that causes premature failure, the HI-3702 must
be sent to ETS-Lindgren for battery replacement; replacement in the field is not
possible. See Service Procedures on page 11 for information on returning the
HI-3702 to ETS-Lindgren for service.
Annual Calibration
See the Product Information Bulletin included with your shipment for information
on ETS-Lindgren calibration services.
Maintenance of Fiber Optics
Fiber optic connectors and cables can be damaged from airborne particles,
humidity and moisture, oils from the human body, and debris from the connectors
they plug into. Always handle connectors and cables with care, using the
following guidelines.
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