EN / US (USD)
X
Choose Language
English한국中国日本台灣German


Payment Settings

The eBay and 1688 offers always stay in the currency as listed on the platforms.
Your browser limits use of the Used Keysight Equipment website.
Please consider switching to a current version of Chrome, Firefox, Edge or IE11 to use this site.
Keysight Premium Used
  • Savings of up to 70%
  • Like-new Condition
  • Updated Firmware
  • Full Calibration
  • New Accessories
  • Like-new Warranty
  • Customization possible

Learn more

E4991B-300

Impedance Analyzer / up to 3GHz – 1 MHz to 3 GHz

Purchase Options New Price 87,485.00 USD*

Standard Config on eBay.com
  • Configuration customization possible
  • Personal assistance from Keysight
  • Quick response
  • Pro-forma quote on request
  • Order online instantly
  • Payment in eStore currency (USD)
  • Credit card and PayPal payment options
  • Bank transfers accepted
  • Purchase directly from Keysight
  • Warranty by Keysight, the OEM

Learn more

From USD*48,116.75
Custom Order from Keysight
  • Standard response time
  • Standard ordering via quote/order process
  • Product pricing in local currency
  • Payment by bank transfer
  • Purchase directly from Keysight
  • Warranty provided by Keysight, the OEM

Learn more

From USD*48,116.75
Ships to:Worldwide (excluding EU/CH/NO/TR & Taiwan)
* See DisclaimerThe Used Equipment web is currently available in English only and pricing is in USD for the United States. Prices for other countries will vary. Contact us for local pricing.

Cannot ship to:

European Union
Switzerland
Norway
Turkey
Taiwan

Unit only ships within China.

Unit ships worldwide.

Key Features

Keysight E4991B up to 3GHz impedance analyzer.

Specifications and Key Features

  • Built-in DC bias (Option 001): 0 V to ±40 V, 0 A to ±100 mA
  • 4-channel & 4-trace on 10.4 inch color LCD with touch screen
  • Data analysis function: Equivalent circuit analysis, limit line test
  • Three frequency options: 1 MHz to 500 MHz/1 GHz/3 GHz, upgradable
  • Dielectric/magnetic material measurement (Option 002) εr, εr', εr'', tanδ(ε), μr, μr', μr'', tanδ(μ)
  • ±0.65% basic accuracy and 120 mΩ to 52 kΩ impedance range (10% measurement accuracy range)
  • Temperature characteristics measurement (Option 007) and reliable on–wafer measurement (Option 010) capabilities
  • Measurement parameters: Z, Y, θ, R, X, G, B, L, C, D, Q, Γ, Γx, Γy, θΓ, Vac, Iac, Vdc1, Idc1 (1. Option 001 is required)



Key Documents

Configuration & Options
Installed Options
1 MHz to 3 GHzCore
001
Add DC Bias
Installed
002
Material measurement firmware
Installed
007
Temperature Characteristic Test Kit
Installed
010
Probe station connection kit
Installed
019
Standard Data Storage
Installed
1E5
High stability timebase
Installed
Get a Custom Quote
 

* Disclaimer:

  • Prices shown in USD, estimated based on the configuration and assuming the customer location is in the USA.
  • The prices shown are in USD, as listed on eBay. Conversion to other currencies happens on purchase.
  • The prices shown are in CNY, as listed on Alibaba. Conversion to other currencies happens on purchase.
  • The saving percentages are relative to the list price of a new instrument. Actual percentages may vary based on option configuration of the desired equipment, currency exchange rates, and other factors. Premium Used special promotion discounts may or may not be eligible for customers with Keysight Purchase Agreements.
  • Prices and availability information are subject to change without notice. All net transaction prices may vary due to delivery terms, sales tax, VAT, duties and exchange rate variations. Products not available in all locations.
  • eBay is a registered trademark of eBay Inc.
  • Alibaba is a registered trademark of Alibaba.

Back to top

‹ Back to results