ETS-Lindgren 6502 User manual

6500 Series
Loop Antennas
User Manual

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ETS-Lindgren Inc. 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 Inc. assuming any liability
whatsoever arising out of the application or use of any product or circuit
described herein. ETS-Lindgren Inc. does not convey any license under its
patent rights or the rights of others.
© Copyright 2013 by ETS-Lindgren Inc. All Rights Reserved. No part of this
document may be copied by any means without written permission from
ETS-Lindgren Inc.
Trademarks used in this document: The ETS-Lindgren logo is a trademark of
ETS-Lindgren Inc.
Revision Record
MANUAL,6500 SERIES LOOP ANTENNAS | Part #399293, Rev. A
Revision
Description
Date
A
Initial Release
November, 2013

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Table of Contents
Notes, Cautions, and Warnings ................................................ v
1.0 Introduction .......................................................................... 7
Model 6502 ................................................................................................. 8
Model 6507 ................................................................................................. 8
Model 6509 ................................................................................................. 9
Models 6511 and 6512 ............................................................................... 9
Standard Configuration ............................................................................. 10
Optional Items .......................................................................................... 10
Carrying Cases ................................................................................. 10
Tripod Options .................................................................................. 10
ETS-Lindgren Product Information Bulletin ............................................... 11
2.0 Maintenance ....................................................................... 13
Annual Calibration .................................................................................... 13
Replacement and Optional Parts .............................................................. 14
Service Procedures .................................................................................. 14
3.0 Specifications ..................................................................... 15
Electrical Specifications ............................................................................ 15
Model 6502 ....................................................................................... 15
Model 6507 ....................................................................................... 15
Model 6509 ....................................................................................... 16
Models 6511 and 6512...................................................................... 16
Battery Charger Specifications: Models 6502 and 6507 ............................ 17
Physical Specifications: All Models ........................................................... 17
4.0 Mounting Instructions ....................................................... 19
Additional Mounting Options ..................................................................... 19
4-TR Mounting Options ..................................................................... 19
7-TR and Mast Mounting Options...................................................... 20
2x2 Boom Mounting Options ............................................................. 21
5.0 Operation ............................................................................ 23
Front Panel Indicator Lights: Models 6502 and 6507................................. 23
Battery Charger: Models 6502 and 6507 ................................................... 24

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Features and Components ................................................................ 24
Fast Charge and Trickle Charge Modes ............................................ 25
6.0 Typical Data ........................................................................ 27
Model 6502 ............................................................................................... 27
Model 6507 ............................................................................................... 28
Model 6509 ............................................................................................... 29
Model 6511 ............................................................................................... 30
Model 6512 ............................................................................................... 31
7.0 Radiation Pattern ............................................................... 33
Typical Radiated Pattern for an Electrically Small Loop ............................ 34
Appendix A: Warranty ............................................................. 35
Appendix B: 6505 Shielding Effectiveness Test Kit ............. 37
Measuring Magnetic Shielding Effectiveness ............................................ 37
Shielding Effectiveness Measurements for Magnetic Field ........................ 40
Appendix C: EC Declaration of Conformity .......................... 43
Model 6502 ............................................................................................... 43
Model 6507 ............................................................................................... 44

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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.

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Introduction
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1.0 Introduction
The ETS-Lindgren 6500 Series Loop Antennas include both active and
passive antennas. Loop antennas provide a wide range of magnetic field testing.
Some models include active electronics for amplification and impedance
matching, consistent linear antenna factors, and signal attenuation. Most include
a balanced Faraday shield to reduce response to E-fields for pure magnetic field
measurements. Whether used individually or as a set, the loop antennas provide
an efficient and economical solution to magnetic field measurement.
For information on Model 6505 Shielding Effectiveness Test Kit, see
page 37.
Each antenna is individually calibrated in accordance with the IEEE Std 291,
using National Institute of Standards and Technology (NIST) traceable
equipment. By knowing the actual antenna factors and performance
characteristics instead of typical data, you can more accurately measure field
strength in your tests. Each antenna includes actual individual calibration factors
and signed Certificate of Calibration Conformance.
All loop antennas are constructed of lightweight aluminum, which provides
durability and reliability for years of trouble-free indoor and outdoor services. The
base of each loop antenna provides a standard 1/4–20 threaded connector for
mounting to an ETS-Lindgren tripod or other tripod. For the variety of mounting
options available, see Mounting Instructions on page 19.

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Introduction
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Model 6502
The Model 6502 Loop Antenna is an active
receiving loop antenna designed to perform
commercial emissions standards testing, and
can be used for any magnetic testing. The
Model 6502 has a frequency range of 9 kHz to
30 MHz.
A radio frequency preamplifier is built into the
base of the antenna and provides a 50 Ω
output which is used by a receiver. The
preamplifier helps produce good sensitivity and
almost constant antenna factors.
Power for the preamplifier is supplied by rechargeable, sealed lead-acid
batteries; a battery charger is included. The charger is switch selectable for
115 VAC/230 VAC, and operates at 50 Hz/60 Hz. For more information on the
battery charger, see page 17.
Model 6507
The Model 6507 Loop Antenna is an active
receiving loop antenna designed to perform
shielding effectiveness measurements per
MIL-STD 285 and NSA-65-6 specifications.
The Model 6507 has a frequency range of
1 kHz to 30 MHz.
A radio frequency preamplifier is built into the
base of the antenna designed for use with
most 50 Ω receivers.
Power for the preamplifier is supplied by rechargeable, sealed lead-acid
batteries; a battery charger is included. The charger is switch selectable for
115 VAC/230 VAC, and operates at 50 Hz/60 Hz. For more information on the
battery charger, see page 17.

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Introduction
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Model 6509
When using the Model 6509 as a transmitting device, reduce amplifier
power to zero Watts before band switching.
The Model 6509 Passive Loop
Antenna is designed for shielding
effectiveness and immunity testing.
The Model 6509 operates in the
frequency range of 1 kHz to 30 MHz.
The base contains a Type N female
connector and a selectable four-band
RF transformer. The RF transformer
gives the Model 6509 greater
efficiency, which results in a better
conversion of input power to field
strength.
Models 6511 and 6512
The Model 6511 and Model 6512 are
passive loop antennas; the
Model 6511 is designed for low
frequencies and covers the 20 Hz to
5 MHz range, and the Model 6512
covers the 9 kHz to 30 MHz range.

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Introduction
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Standard Configuration
 Antenna/coil assembly
 Mounting base that accepts an ETS-Lindgren tripod or other tripod
mount with standard 1/4–20 threaded hardware
 Battery charger (included only with Model 6502 and Model 6507)
Optional Items
CARRYING CASES
A custom carrying case is available for some of the loop antenna models. For
more information, contact ETS-Lindgren.
TRIPOD OPTIONS
ETS-Lindgren offers the following non-metallic, non-reflective tripods for use at
both indoor and outdoor EMC test sites.
 4-TR Tripod—Constructed of linen phenolic and
delrin, designed with an adjustable center post
for precise height adjustments. Maximum height
is 2.0 m (80.0 in), and minimum height is 94 cm
(37.0 in). This tripod can support up to an
11.8 kg (26.0 lb) load.

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Introduction
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 7-TR Tripod—Constructed of PVC and
fiberglass components, providing
increased stability for physically large
antennas. The unique design allows for
quick assembly, disassembly, and
convenient storage. Allows several
different configurations, including options
for manual or pneumatic polarization.
Quick height adjustment and locking
wheels provide ease of use during testing.
Maximum height is 2.17 m (85.8 in), with
a minimum height of 0.8 m (31.8 in). This
tripod can support a 13.5 kg (30 lb) load.
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

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Introduction
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Maintenance
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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 6500 Loop Antennas
is limited to external components such as
cables or connectors.
Warranty may be void if the housing is
opened.
If you have any questions concerning
maintenance, contact ETS-Lindgren
Customer Service.
Annual Calibration
See the Product Information Bulletin included with your shipment for information
on ETS-Lindgren calibration services.
WARRANTY

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Maintenance
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Replacement and Optional Parts
ETS-Lindgren may substitute a similar part or new part number with
the same functionality for another part/part number. Contact
ETS-Lindgren for questions about part numbers and ordering parts.
Following are the part numbers for ordering replacement or optional parts for the
Model 6500 Series Loop Antennas.
Part Description
Part Number
4-TR Tripod Positioner
4-TR
7-TR Tripod Positioner
7-TR
Battery Charger for Model 6502 and Model 6507
102615
Carrying Case with Foam, Model 6502
6502CASE W/FOAM
Service Procedures
For the steps to return a system or system component to ETS-Lindgren for
service, see the Product Information Bulletin included with your shipment.

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Specifications
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3.0 Specifications
Electrical Specifications
MODEL 6502
Frequency Range:
9 kHz—30 MHz
Dynamic Range:
85 dB at 10 kHz
125 dB at 1 MHz
Sensitivity (Typical):
-1 dB (uA/m) at 10 kHz
-42 dB (uA/m) at 1 MHz
1 dB Compression Point:
5 V/m
Power Required:
Battery-operated
Impedance (Nominal):
50 Ω
Connector:
BNC female
MODEL 6507
Frequency Range:
1 kHz—30 MHz
Dynamic Range:
76 dB at 10 kHz
116 dB at 1 MHz
Sensitivity (Typical):
11 dB (mA/m) at 10 kHz
-29 dB (mA/m) at 1 MHz
1 dB Compression Point:
10 V/m
Power Required:
13.8 VDC
Impedance (Nominal):
50 Ω
Connector:
BNC female

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Specifications
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MODEL 6509
Frequency Range:
1 kHz—30 MHz
Band 1:
1 kHz—60 kHz
Band 2:
60 kHz—400 kHz
Band 3:
400 kHz—1 MHz
Band 4:
1 MHz—30 MHz
Maximum Input Power:
1 kW
Impedance (Nominal):
Varies with frequency
(calibrated in a 50 Ω system)
Connector:
Type N female
MODELS 6511 AND 6512
Model 6511
Model 6512
Frequency Minimum:
20 Hz
9 kHz
Frequency Maximum:
5 MHz
30 MHz
Turns
8
1
Connectors:
BNC female
Maximum Input
Power:
20 W
Polarization:
Linear

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Specifications
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Battery Charger Specifications: Models 6502 and 6507
Input Voltage:
115/230 VAC selectable
Input Frequency:
50/60 Hz
Input Power:
20 VA max
Protection Class:
Class II double insulated
Input Fuse Rating:
200 mA time-delay, Type 5x20 mm
Input Power Connection:
IEC-320 power inlet
Output Voltage:
12 VDC (13.5–15 VDC)
Output Current:
350 mA
Safety Approvals
TUV, CSA
Physical Specifications: All Models
6511 / 6512
6502
6507
6509
Diameter:
56 cm
(22.05 in)
60 cm
(23.62 in)
30.4 cm
(11.97 in)
30.4 cm
(11.97 in)
Height:
59.8 cm
(23.54 in)
67.3 cm
(26.50 in)
37.8 cm
(14.88 in)
47.8 cm
(18.82 in)
Length:
3.8 cm
(1.50 in)
12 cm
(4.72 in)
12 cm
(4.72 in)
7.6 cm
(2.99 in)
Width:
12.7 cm
(5.0 in)
19 cm
(7.48 in)
19 cm
(7.48 in)
8 cm
(3.15 in)
Weight:
1.6 kg
(3.53 lb)
2 kg
(4.41 lb)
1.8 kg
(3.97 lb)
1.3 kg
(2.87 lb)

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Specifications
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Mounting Instructions
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4.0 Mounting Instructions
Each loop antenna is a precision measurement
device. Handle your antenna with care.
Additional Mounting Options
4-TR MOUNTING OPTIONS
The 6500 Series Loop Antennas mount directly to an ETS-Lindgren 4-TR Tripod;
no additional hardware is required.

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Mounting Instructions
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7-TR AND MAST MOUNTING OPTIONS
Following are options for mounting the 6500 Series Loop Antennas onto an
ETS-Lindgren 7-TR Tripod or mast. Contact the ETS-Lindgren Sales Department
for information on ordering optional mounting hardware.
Mast refers to 2070 Series, 2075, and 2175 Antenna Towers.
7-TR refers to these booms:
 109042 boom—Straight boom; for general antenna mounting on a
7-TR
 108983 boom—Offset boom; for general antenna mounting on a
7-TR with pneumatic or manual polarization; can also be used to
mount stinger-type antennas
 118947 boom—For stinger-type antennas only
 108507 boom—Centerline rotation boom for Model 3106 Series
antennas only; when changing polarization, maintains centerline
rotation