Keysight Technologies 34134A Manual de usuario

Keysight 34134A AC/DC

DMM Current Probe

User’s Guide

2 Keysight 34134A User’s Guide

Notices

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

THIS PAGE HAS BEEN INTENTIONALLY LEFT BLANK.

Keysight 34134A AC/DC DMM Current Probe

User’s Guide

1 Getting Started

34134A AC/DC DMM Current Probe 8

Inspect the Probe 9

Specifications and Characteristics 10

Operation 12

Repair 14

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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