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LCR Meters & Impedance Measurement Products

Achieve success with the industry standard for impedance measurements

Hewlett Packard, Agilent and Keysight have contributed innovations and product excellence in impedance analysis for over half a century. Whether your application is in R&D, production, quality assurance, or incoming inspection, we take pride in contributing to your success. We strive to deliver complete solutions to meet your needs, from impedance analyzers to a wide variety of test accessories. Achieve success with Keysight’s impedance measurement solutions.

Looking for the next generation? Check out the E4990A Impedance Analyzer , 20 Hz to 120 MHz, with flexible frequency options

Looking for the industry standard LCR meter? Check out the E4980A and the E4980AL Precision LCR Meter

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Power of Impedance Analyzer - Application Note
This application note describes the necessity of real-characteristics evaluation, and shows that the impedance analyzers only have capabilities to achieve real-characteristics.

Application Note 2019-01-28

E4991B Impedance Analyzer - Configuration Guide
This is the configuration guide for the E4991B which shows the ordering information.

Configuration Guide 2018-11-27

E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Brochure
This brochure introduces overview and key features of the E4990A Impedance analyzer. The E4990A provide the best performance in the industry and five frequency options (20 Hz to 10/20/30/50/120 MHz).

Brochure 2018-11-23

PDF PDF 5.88 MB
E4991B Impedance Analyzer - Brochure
This brochure introduces overview and key features of the E4991B Impedance analyzer. The E4991B provide the best performance in the industry and three frequency options (1 GHz to 500M/1 G/3 GHz).

Brochure 2018-11-22

PDF PDF 6.61 MB
E4991B Impedance Analyzer - Data Sheet
This is the technical specification for the E4991B The E4991B impedance analyzer supports accurate impedance measurement and analysis of a wide variety of electronic.

Data Sheet 2018-11-22

PDF PDF 8.43 MB
E4990A Impedance Analyzer 20 Hz to 10/20/30/50/120 MHz - Configuration Guide
This is the configuration guide for the E4990A which shows the ordering information.

Configuration Guide 2018-11-19

E4990A Impedance Analyzer - Data Sheet
This is the technical specification for the E4990A The E4990A impedance analyzer supports accurate impedance measurement and analysis of a wide variety of electronic.

Data Sheet 2017-09-14

LCR Meters, Impedance Analyzers and Test Fixtures - Selection Guide
This 13-page, selection guide matchesapplications to LCR meters, Impedance analyzer, and fixtures cotains brief information on products and applicationliteratures. ADDITIONAL PRODUCTS: 4294A 42941A 4396B 4395A 4287A 4288A 4285A 4263B 4268A 4338B 4339B 4349B 4278A 4279A BIAS ADAPTER File size: 1900 KB4339B 4349B 4278A 4279A BIAS ADAPTER

Selection Guide 2017-08-14

Solutions for Measuring Permittivity and Permeability w/LCR Meters & Impedance Analyzers
This application note presents the technologies and methods for measuring permittivity and permeability. The document focuses on impedance measurement technology with the following advantages: Wide frequency range from 20Hz to 1GHz High measurement accuracy Simple preparations (fabrication of material, measurement setup) for measurement.

Application Note 2016-06-12

E4991B Impedance Analyzer Troubleshooting Guide
The troubleshooting guide provides troubleshooting information when operational problems are encountered on the E4991B.

Service Manual 2015-03-26

PDF PDF 1.35 MB
Materials Measurement: Soil Materials - Application Brief
Soil materials such as rocks or clay also have electrical properties in addition to the mechanical properties as with other substances.

Application Note 2014-11-05

PDF PDF 925 KB
Materials Measurement: Liquid Materials - Application Brief
This application brief provides the solutions for measuring dielectric properties of liquid materials.

Application Note 2014-08-04

PDF PDF 1.24 MB
E4991B Impedance Analyzer HTML Help (For Firmware Rev. A.01.0x)
This can be downloaded for viewing on your PC. Download this file on the local hard disk of your PC. If you encounter a problem to view, right-click on the file, click Properties, then click Unblock.

Help File 2014-07-31

CHM CHM 6.52 MB
Materials Measurement: Magnetic Materials - Application Brief
This application brief provides the solutions for measuring magnetic materials.

Application Note 2014-07-17

PDF PDF 1.08 MB
Materials Measurement: Dielectric Materials - Application Brief
This application brief provides the solutions for measuring dielectric materials.

Application Note 2014-07-17

PDF PDF 935 KB
E4990A Impedance Analyzer Migration Guide from 4294A
This migration guide describes the difference between the E4990A and 4294A impedance analyzers.

Application Note 2014-06-15

XLS XLS 40 KB