Keysight Technologies 34134A Manuel utilisateur
Keysight 34134A AC/DC
DMM Current Probe
User’s Guide
2 Keysight 34134A User’s Guide
Notices
Copyright Notice
© Keysight Technologies 1999-2020
No part of this manual may be repro-
duced in any form or by any means
(including electronic storage and
retrieval or translation into a foreign
language) without prior agreement and
written consent from Keysight Technol-
ogies as governed by United States and
international copyright laws.
Manual Part Number
34134-90001
Edition
Edition 3, May 2020
Printed in:
Printed in Malaysia
Published by:
Keysight Technologies
Bayan Lepas Free Industrial Zone,
11900 Penang, Malaysia
U.S. Government Rights
The Software is “commercial computer
software,” as defined by Federal Acqui-
sition Regulation (“FAR”) 2.101. Pursu-
ant to FAR 12.212 and 27.405-3 and
Department of Defense FAR Supple-
ment (“DFARS”) 227.7202, the U.S.
government acquires commercial com-
puter software under the same terms
by which the software is customarily
provided to the public. Accordingly,
Keysight provides the Software to U.S.
government customers under its stan-
dard commercial license, which is
embodied in its End User License
Agreement (EULA), a copy of which can
be found at http://www.keysight.com/
find/sweula. The license set forth in the
EULA represents the exclusive authority
by which the U.S. government may use,
modify, distribute, or disclose the Soft-
ware. The EULA and the license set
forth therein, does not require or per-
mit, among other things, that Keysight:
(1) Furnish technical information
related to commercial computer soft-
ware or commercial computer software
documentation that is not customarily
provided to the public; or (2) Relinquish
to, or otherwise provide, the govern-
ment rights in excess of these rights
customarily provided to the public to
use, modify, reproduce, release, per-
form, display, or disclose commercial
computer software or commercial com-
puter software documentation. No
additional government requirements
beyond those set forth in the EULA
shall apply, except to the extent that
those terms, rights, or licenses are
explicitly required from all providers of
commercial computer software pursu-
ant to the FAR and the DFARS and are
set forth specifically in writing else-
where in the EULA. Keysight shall be
under no obligation to update, revise or
otherwise modify the Software. With
respect to any technical data as defined
by FAR 2.101, pursuant to FAR 12.211
and 27.404.2 and DFARS 227.7102, the
U.S. government acquires no greater
than Limited Rights as defined in FAR
27.401 or DFAR 227.7103-5 (c), as
applicable in any technical data.
Warranty
THE MATERIAL CONTAINED IN THIS
DOCUMENT IS PROVIDED “AS IS,”
AND IS SUBJECT TO BEING
CHANGED, WITHOUT NOTICE, IN
FUTURE EDITIONS. FURTHER, TO THE
MAXIMUM EXTENT PERMITTED BY
APPLICABLE LAW, KEYSIGHT DIS-
CLAIMS ALL WARRANTIES, EITHER
EXPRESS OR IMPLIED, WITH REGARD
TO THIS MANUAL AND ANY INFORMA-
TION CONTAINED HEREIN, INCLUD-
ING BUT NOT LIMITED TO THE
IMPLIED WARRANTIES OF MER-
CHANTABILITY AND FITNESS FOR A
PARTICULAR PURPOSE. KEYSIGHT
SHALL NOT BE LIABLE FOR ERRORS
OR FOR INCIDENTAL OR CONSE-
QUENTIAL DAMAGES IN CONNECTION
WITH THE FURNISHING, USE, OR
PERFORMANCE OF THIS DOCUMENT
OR OF ANY INFORMATION CON-
TAINED HEREIN. SHOULD KEYSIGHT
AND THE USER HAVE A SEPARATE
WRITTEN AGREEMENT WITH WAR-
RANTY TERMS COVERING THE MATE-
RIAL IN THIS DOCUMENT THAT
CONFLICT WITH THESE TERMS, THE
WARRANTY TERMS IN THE SEPARATE
AGREEMENT SHALL CONTROL.
Safety Information
CAUTION
A CAUTION notice denotes a hazard. It
calls attention to an operating proce-
dure, practice, or the like that, if not
correctly performed or adhered to,
could result in damage to the product
or loss of important data. Do not pro-
ceed beyond a CAUTION notice until
the indicated conditions are fully
understood and met.
WARNING
A WARNING notice denotes a hazard. It
calls attention to an operating proce-
dure, practice, or the like that, if not
correctly performed or adhered to,
could result in personal injury or death.
Do not proceed beyond a WARNING
notice until the indicated conditions are
fully understood and met.
Keysight 34134A User’s Guide 3
Safety Symbols
The following symbols on the instrument and in the documentation indicate
precautions which must be taken to maintain safe operation of the instrument.
Caution, risk of electric shock
Equipment protected throughout by
double insulation or reinforced
insulation
Protective earth (ground) terminal
4 Keysight 34134A User’s Guide
Safety Information
Read the information below before using this instrument.
The following general safety precautions must be observed during all phases of
operation, service, and repair of this instrument. Failure to comply with these
precautions or with specific warnings elsewhere in this manual violates safety
standards for design, manufacture, and intended use of the instrument. Keysight
Technologies assumes no liability for the customer’s failure to comply with these
requirements.
This apparatus has been designed and tested in accordance with IEC Publication
1010, Safety Requirements for Measuring Apparatus, and has been supplied in a
safe condition.
To ensure safe operation and to keep the product safe, the information, cautions,
and warnings in this operating manual must be heeded. In addition, note the
external markings on the instrument that are described under Safety Symbols.
WARNING SHOCK HAZARD
– Connect the probe to the DMM or voltage measuring instrument before
clamping the probe around a conductor.
– Never use the probe on circuits rated higher than 660 V.
– Never leave the probe clamped around a conductor while not connected
to a voltage measuring instrument or DMM.
– Carefully center the conductor inside the probe jaws and make sure that
the probe is perpendicular to the conductor before closing the jaws.
– Avoid, if possible, the proximity of other conductors which may create
noise.
– Check the magnetic mating surfaces of the probe jaws; these should be
free of dirt, rust, or other foreign matter.
– Do not use a probe which is cracked, damaged or has defective leads.
Keysight 34134A User’s Guide 5
Table of Contents
Safety Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1 Getting Started
34134A AC/DC DMM Current Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Inspect the Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Specifications and Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
To check/replace the battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Cleaning the probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
6 Keysight 34134A User’s Guide
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1 Getting Started
8 Keysight 34134A User’s Guide
34134A AC/DC DMM Current Probe
The 34134A Current Probe measures low DC or AC from 10 mA to 50 A DC, 40 A
AC. This battery-powered clamp-on probe may be used with digital multimeters,
voltmeters, or other voltage-measuring instruments. The probe jaws clamp round
the conductor under test, allowing current measurements without breaking the
circuit. Hall sensor technology senses the magnetic field produced by the current
measured, and generates a millivolt DC or AC output signal. The narrow jaw is
designed for optimum use in crowded wiring in industrial and automotive
environments.
Compatibility
The 34134A Current Probe is compatible with any DMM, or other voltage
measuring instrument which has the following features:
– Range and resolution capable of displaying 1 mV of input.
– Voltmeter accuracy (uncertainty) of 0.75% or better to take full advantage of
the accuracy of the probe.
– Minimum input impedance of 100 kΩ(1 V/A range) or 10 kΩ(10 mV/A range).
– Input jacks that accept 4mm shrouded banana plugs.
Figure 1-1 Control and connector identification
Getting Started 1
Keysight 34134A User’s Guide 9
Inspect the Probe
– Inspect the shipping container for damage.
– Keep a damaged shipping container or cushioning material until the
contents of the shipment have been checked for completeness and the
probe has been checked mechanically and electrically.
– Inspect the instrument.
– If there is mechanical damage or defect, or if the probe does not operate
properly or pass performance tests, notify your Keysight Sales Office.
– If the shipping container is damaged, or the cushioning materials show
signs of stress, notify the carrier as well as your Keysight Sales Office. Keep
the shipping materials for the carrier’s inspection. The Keysight office will
arrange for repair or replacement at Keysight’s option without waiting for
claim settlement.
1 Getting Started
10 Keysight 34134A User’s Guide
Specifications and Characteristics
Operating and environmental characteristics of the 34134A Current Probes are
shown below.
Specifications 1 V/A Range (1 mV/mA) 10 mV/A Range
Current Range DC: 10 mA to 2 A
AC: 10 mA to 1.5 A
DC: 100 mA to 80 A
AC: 100 mA to 60 A
Output Signal (AC/DC) 1 mV/mA (2 V @ 2 A) 10 mV/A
Accuracy[a]
[a] Accuracies are given for an ambient temperature of 23 °C ±3 °C, relative humidity of 20 to 75%, conductor
centered in jaw window, probe zeroed, no hysteresis in DC, DC to 40 to 100Hz sine wave (1mV/mA range) or DC
and 40 to 1 kHz sine wave (10mV/A range), 1 minute warm-up, battery at 9V, appropriate load impedance,
magnetic field <40A/m and no common mode.
±2% reading 5 mA
500 mA to 50 A DC/40 A
AC: ±4% reading ±20 mA
50 to 80 A DC: ±12% reading
0 to 60 A AC: ±12% reading
Frequency Range DC to 8 kHz @ -3 dB DC to 8 kHz
Phase Shift DC to 65 Hz: 1 ° DC to 65 Hz: 1 °
Minimum Input
Resistance
of Instrument
100 kΩ100 kΩ
Noise
DC to 1 Hz: 1.5 mV
1 Hz to 10 kHz: 14 mV
0 kHz to 100 kHz: 18 mV
DC to 1 Hz: 15 μV
1 Hz to 10 kHz: 140 μV
0 kHz to 100 kHz: 180 μV
Slew Rate @ 5 A 120 mV/μs 5.5 mV/μs
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