How it Works
ETS-Lindgren
Loading...
94606-6
User Manual
57 pgs518.99 Kb0

ETS-Lindgren 94606-6 User Manual

Current Probes
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
described herein. ETS-Lindgren L.P. does not convey any license under its
patent rights or the rights of others.
© Copyright 2008 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
MANUAL DESCRIPTION | Part #399297, Rev. A
Revision Description Date
A Initial Release December, 2008
ii |
Table of Contents
Notes, Cautions, and Warnings .............................................. vii
1.0 Introduction .......................................................................... 9
ETS-Lindgren Product Information Bulletin ................................................. 10
2.0 Maintenance ....................................................................... 11
Annual Calibration ....................................................................................... 11
Service Procedures ..................................................................................... 11
3.0 Specifications ..................................................................... 13
Model 91197 Series Current Probe ............................................................. 13
Model 91197 Series Physical Specifications ....................................... 13
Model 91197 Series Electrical Specifications ...................................... 14
Model 91550 Series Current Probe ............................................................. 15
Model 91550 Series Physical Specifications ....................................... 15
Model 91550 Series Electrical Specifications ...................................... 15
Model 91550 Series Pulse Power Limits ............................................. 17
Model 93511 Series Current Probe ............................................................. 18
Model 93511 Series Physical Specifications ....................................... 18
Model 93511 Series Electrical Specifications ...................................... 18
Model 93686 Series Current Probe ............................................................. 19
Model 93686 Series Physical Specifications ....................................... 19
Model 93686 Series Electrical Specifications ...................................... 20
Model 94106 Series Current Probe ............................................................. 21
Model 94106 Series Physical Specifications ....................................... 21
Model 94106 Series Electrical Specifications ...................................... 21
Model 94106 Series Pulse Power Limits ............................................. 22
Model 94111 Series Current Probe ............................................................. 23
Model 94111 Series Physical Specifications ....................................... 23
Model 94111 Series Electrical Specifications ...................................... 23
Model 94111 Series Pulse Power Limits ............................................. 24
Model 94430 Series Current Probe ............................................................. 25
Model 94430 Series Physical Specifications ....................................... 25
Model 94430 Series Electrical Specifications ...................................... 25
Model 94430 Series Pulse Power Limits ............................................. 26
| iii
Model 94606 Series Current Probe ............................................................. 27
Model 94606 Series Physical Specifications ....................................... 27
Model 94606 Series Electrical Specifications ...................................... 27
4.0 Principles of Operation ..................................................... 29
Circuit ........................................................................................................... 29
Basic RF Transformer .......................................................................... 30
Sensitivity ..................................................................................................... 31
Model 91197 Series Typical Sensitivity ............................................... 31
Model 91550 Series Typical Sensitivity ............................................... 31
Model 93511 Series Typical Sensitivity ............................................... 32
Model 93686 Series Typical Sensitivity ............................................... 32
Model 94106 Series Typical Sensitivity ............................................... 32
Model 94111 Series Typical Sensitivity ............................................... 33
Model 94430 Series Typical Sensitivity ............................................... 33
Model 94606 Series Typical Sensitivity ............................................... 33
Core Saturation and Intermodulation ........................................................... 34
Transfer Impedance ..................................................................................... 34
5.0 Assembly and Installation ................................................ 37
Equipment Setup to Measure RF Current ................................................... 37
For a Single Conductor ........................................................................ 37
For a Two-Conductor Cable ................................................................ 37
For Multi-Conductor Cables ................................................................. 37
To Evaluate Shielding Effectiveness ................................................... 38
Installation Instructions ................................................................................ 38
Sample Test Configuration .......................................................................... 39
6.0 Operation ............................................................................ 41
Signal Measurement .................................................................................... 42
Signal Injection ............................................................................................ 45
7.0 Typical Data ........................................................................ 47
Model 91197 Series Current Probe ............................................................. 47
Model 91197-1 Transfer Impedance ................................................... 47
Model 91197-1L Transfer Impedance ................................................. 47
Model 91550 Series Current Probe ............................................................. 48
Model 91550-1 Transfer Impedance ................................................... 48
Model 91550-2 Transfer Impedance ................................................... 48
iv |
Model 91550-5 Transfer Impedance ................................................... 49
Model 93511 Series Current Probe ............................................................. 50
Model 93511-1 Transfer Impedance ................................................... 50
Model 93511-1L Transfer Impedance ................................................. 50
Model 93686 Series Current Probe ............................................................. 51
Model 93686-1 Transfer Impedance ................................................... 51
Model 93686-8 Transfer Impedance ................................................... 51
Model 94106 Series Current Probe ............................................................. 52
Model 94106-1 Transfer Impedance ................................................... 52
Model 94111 Series Current Probe ............................................................. 53
Model 94111-1 Transfer Impedance ................................................... 53
Model 94111-2 Transfer Impedance ................................................... 53
Model 94430 Series Current Probe ............................................................. 54
Model 94430-1 Transfer Impedance ................................................... 54
Model 94606 Series Current Probe ............................................................. 55
Model 94606-1 Transfer Impedance ................................................... 55
Appendix A: Warranty ............................................................. 57
| v
This page intentionally left blank.
vi |
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.
| vii
This page intentionally left blank.
viii |
1.0 Introduction
The ETS-Lindgren Current Probe is a clamp-on RF current transformer that
determines the intensity of RF current present in an electrical conductor or group
of conductors. The current probe is designed for use with electromagnetic
interference (EMI) test receivers or spectrum analyzers, or with any similar
instrument having a 50-ohm input impedance.
Model 93511 Series Current Probe
A current probe provides a way to accurately measure net (common mode) radio
frequency current flowing on a wire or bundle of wires without requiring a direct
connection to the conductor(s) of interest. The probe clamps around the test
conductor which becomes a one turn primary winding; the probe forms the core
and secondary winding of an RF transformer. Measurements can be made on
single-conductor and multi-conductor cables, grounding and bonding straps,
outer conductors of shielding conduits and coaxial cables, and so on.
Introduction | 9
This manual includes these ETS-Lindgren current probes:
Model 91197 Series
• 91197-1
• 91197-1L
Model 93686 Series
• 93686-1
• 93686-8
• 93686-8L
Model 94430 Series
• 94430-1
• 94430-1L
Model 91550 Series
• 91550-1
• 91550-1L
• 91550-2
• 91550-2L
• 91550-5
Model 94106 Series
• 94106-1
• 94106-1L
Model 94606 Series
• 94606-1
• 94606-1L
• 94606-6
ETS-Lindgren Product Information Bulletin
Model 93511 Series
• 93511-1
• 93511-1L
Model 94111 Series
• 94111-1
• 94111-1L
• 94111-2
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
10 | Introduction
2.0 Maintenance
Before performing any maintenance, follow the safety information in the ETS-Lindgren Product Information Bulletin included with your shipment.
WARRANTY
Maintenance is limited to external components such as cables or connectors.
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.
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.
Maintenance | 11
This page intentionally left blank.
12 | Maintenance
3.0 Specifications
At the lower frequencies, the signal current I
allowed for maximum power current. When both signal and power
currents are high, their sum should not exceed the given limits.
L model current probes are calibrated down to 20 Hz.
level can be as great as
P
Model 91197 Series Current Probe
MODEL 91197 SERIES PHYSICAL SPECIFICATIONS
Window Diameter: 3.18 cm
1.25 in
Outside Diameter: 8.26 cm
3.25 in
Width: 3.56 cm
1.4 in
Output Connector: Type N
Weight: 0.6 kg
1 lb 5 oz
Impedance: 50 Ω
Specifications | 13
MODEL 91197 SERIES ELECTRICAL SPECIFICATIONS
91197-1 91197-1L Frequency Range
(L Models 20 Hz): Transfer Impedance
(Nominal):
RF Current Range (RF CW):
RF Current Range (Pulse):
Maximum Power Current (DC-400 Hz):
10 kHz–8 MHz 20 kHz–8 MHz
0.32 Ω ± 2 dB
10 kHz–1 MHz
100 amps
100 amps
(200 amps with reduced
duty cycle)
350 amps 1000 amps
0.32 Ω ± 2 dB
1 kHz–1 MHz
• >20 kHz–150 amps max
• 10 kHz–166 amps max
• 4 kHz–200 amps max
• 2 kHz–250 amps max
• 1 kHz–400 amps max
• 400 Hz–1000 amps ma
Below 400 Hz the probe is
limited by core saturation
effects at an I
1000 amps
100 amps
(200 amps with reduced
duty cycle)
of
P
Maximum Power Voltage:
Sensitivity Under Rated Load:
14 | Specifications
No limitation; subject to adequate conductor insulation
30 microamperes with
1 microvolt sensitivity
receiver and 0.33 ohm
transfer impedance
30 microamperes with
1 microvolt sensitivity
receiver and 0.33 ohm
transfer impedance
Model 91550 Series Current Probe
MODEL 91550 SERIES PHYSICAL SPECIFICATIONS
Window Diameter: 3.18 cm
1.25 in
Outside Diameter: 8.89 cm
3.5 in
Width: 7.29 cm
2.87 in
Output Connector: Type N
Weight: 0.6 kg
1.31 lb
Impedance: 50 Ω
MODEL 91550 SERIES ELECTRICAL SPECIFICATIONS
91550-1 91550-2 91550-5 Frequency Range
(L Models 20 Hz): Transfer Impedance
(Nominal): RF Current Range
(RF CW): RF Current Range
(Pulse): Maximum Power
Current (DC–60 Hz):
10 kHz–100 MHz 10 kHz–150 MHz 10 kHz–200 MHz
5.0 Ω ± 3 dB
1 MHz–100 MHz
42 amps 2.8 amps 2.3 amps
100 amps 100 amps 100 amps
350 amps 350 amps 350 amps
1.0 Ω ± 2 dB
1 MHz–150 MHz
Specifications | 15
1.0 Ω ± 2 dB
1 MHz–100 MHz
Maximum Power Current (400 Hz):
Maximum Power Voltage:
Internal Loading: No Yes No Rated Ouptut Load
Impedance: Sensitivity Under
Rated Load:
91550-1 91550-2 91550-5
350 amps,
50 Hz–1500 Hz
No limitation; subject to adequate conductor insulation
50 Ω
50 Ω 50 Ω
0.17 microampere
with 1 microvolt
sensitivity
receiver and
6 ohm transfer
impedance
225 amps 225 amps
1.0 microampere
with 1 microvolt
sensitivity
receiver and
1 ohm transfer
impedance, or
10 mV across
50 ohm load for
0.01 amp signal
1.0 microampere
with 1 microvolt
sensitivity
receiver and
1 ohm transfer
impedance, or
10 mV across
50 ohm load for
0.01 amp signal
16 | Specifications
MODEL 91550 SERIES PULSE POWER LIMITS
91550-1 91550-2 91550-5 RF Current
Range (Pulse):
Maximum Power Current (L Models Only):
100 amps Pulse signals with
peak currents to
100 amps can be
measured if the
pulse duty cycle
does not exceed:
)
P
)
P
)
P
P
• (2 MHz)
50 amps
• (1 MHz)
60 amps
• (0.5 MHz)
85 amps
• (10 amps I
0.080 Duty
• (30 amps I
0.010 Duty
• (50 amps I
0.003 Duty
• (100 amps I
0.001 Duty
• (60 Hz)
650 amps
• (120 Hz)
650 amps
• (400 Hz)
500 amps
100 amps with
maximum pulse
duty cycle not to
exceed 0.002 for
100 amp signal
)
NA
• (0.2 MHz)
175 amps
• (0.1 MHz)
340 amps
• (0.05 MHz)
650 amps
• (1500 Hz)
140 amps
Specifications | 17
Model 93511 Series Current Probe
MODEL 93511 SERIES PHYSICAL SPECIFICATIONS
Window Diameter: 3.18 cm
1.25 in
Outside Diameter: 8.26 cm
3.25 in
Width: 3.56 cm
1.4 in
Output Connector: Type N
Weight: 0.6 kg
1 lb 5 oz
Impedance: 50 Ω
MODEL 93511 SERIES ELECTRICAL SPECIFICATIONS
93511-1 93511-1L Frequency Range
(L Models 20 Hz): Transfer Impedance
(Nominal):
RF Current Range (RF CW):
RF Current Range (Pulse):
Maximum Power Current (DC–60 Hz):
18 | Specifications
10 kHz–30 MHz 20 kHz–30 MHz
1 Ω (0 db) ± 2 dB
100 kHz–10 MHz
100 amps 100 amps
200 amps 200 amps
350 amps 800 amps
1 Ω (0 db) ± 2 dB
100 kHz–10 MHz
Loading...
+ 39 hidden pages
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use