Used Equipment Store

Account Benefits

Get a customised view of the Used Equipment Store

Manage your details to get quick responses by the team

Stay up-to-date on specials, prices and availability

Already have an account? Log In

Create Your Account

How can we help you?

Technical Question

  • Product selection
  • Configuration assistance
  • Application support

Sales Question

  • Warranty extensions
  • Calibration plans
  • Additional software options
  • Education discounts

Sign up to receive marketing or promotional emails from Keysight

By clicking the Get Updates button, you agree to Keysight’s Privacy Policy.
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.
Get an Extra 5% Off When Buying Online With Credit Card
Need Help?

Check Shipping

Find out if this unit can be shipped to your country

ID: U01-2508122

Keysight N4985A

System Amplifier

ID: U01-2508122
Keysight N4985A System Amplifier
Keysight N4985A System Amplifier
Keysight N4985A System Amplifier
Keysight N4985A System Amplifier
Keysight N4985A System Amplifier
Keysight N4985A System Amplifier
Keysight N4985A System Amplifier
Keysight N4985A System Amplifier
Keysight N4985A System Amplifier
-N4985A-0

Keysight N4985A

System Amplifier

Callibrated Calibrated + Measurement Report
Warranty 90 days warranty
KeysightCare KeysightCare available
No Accessoires Accessories included if shown in the pictures. No power cord included.
Limited configurability Limited configurability

List Price USD 34,926.00 Save 70%
USD 10,477.80 Excl. taxes.

Price Alert IconPrice Alert Icon Set Price Alert
Add to Wishlist
Free shipping included. Ships from USA. Ships to United States within 1 week.
Save5%
Buy Now10,477.80

Keysight Used

N4985A

System Amplifier

Deal summary

Configuration: OA5, S50
Shipping:Ships from USA.
Ships to United States within 1 week.
Support: 90 days warranty

Extendible in some cases, please check prior to purchasing.

Accessories Not included
For help, please contact your local Keysight
Downloads:
Details
Payment
Review
Billing Address
Shipping Address
Next

Payment

Model
Est. Tax

Taxes are estimated, where applicable the final amount will be displayed on your sales order acknowledgement.

Shippingfree shipping
Credit Card Discount (5%)
Total
Next

Order Review

Model
Price
Est. Tax

Taxes are estimated, where applicable the final amount will be displayed on your sales order acknowledgement.

Shippingfree shipping
Credit Card Discount (5%)
Total
Billing Address
Shipping Address
Payment Method
For professional and industrial use only
By clicking the Place Order button, you agree to Keysight's Terms of Sale and Privacy Policy.
Request Quote

Keysight N4985A System Amplifier
Keysight Used
Keysight N4985A
System Amplifier
Configuration: OA5, S50
Customization available
Shipping: Limited countries only
Warranty: 90 days
Accessories Not included
For professional and industrial use only
By clicking the Request Quote button, you agree to Keysight’s Privacy Policy.

Cannot ship to:

European Union
Switzerland
Norway
Turkey

Unit only ships within China.

Unit ships worldwide.

Keysight N4985A System Amplifier

Keysight Used

Keysight  N4985A

From

USD 10,477.80 Save 70%


OA5OPTICAL APPLICATION TUNING FOR OPTION S50Installed
S5050 GHZ SYSTEM AMPLIFIERInstalled

Adding options and accessories may impact shipping times

Request a customized version of this model by requesting a Custom Quote


  • N4985A-P15 operates from 10 MHz to 50 GHz
  • N4985A-P25 operates from 2 to 50 GHz
  • N4985A-S30 operates from 100 kHz to 30 GHz
  • N4985A-S50 operates from 100 kHz to 50 GHz
  • N4985A-OA3 Optical Application Tuning for Option S30
  • N4985A-OA5 Optical Application Tuning for Option S50
  • High gain
  • Compact size

The Keysight Technologies N4985A series system amplifiers are high performance broadband amplifiers with excellent power and gain from 100 kHz to 50 GHz. The amplifiers are self-contained and plug into standard AC power sources.

Applications:

  • Bench-top lab work
  • Production line testing
  • Frequency/time domain applications
  • Saturated RF amplifier testing
  • Drive TWT amplifiers
  • Antenna system amplification


Accessories only included if shown in the pictures.

Other accessories that are not listed and included in the offer can be purchased separately at an extra cost with your purchase of a Keysight Used or Keysight Premium Used unit. Please specify in the comment field which additional accessories or support you are interested in.

For separate or post-purchase ordering, please contact your local Keysight office or Keysight Partner here. Or check our online store if available for your region here.

Ready To Get Started?

What You Get

  • Keysight N4985A Other
  • Accessories only included if shown in the pictures
  • Calibration certificate only included if shown in the pictures

What You Can Add

  • KeysightCare Assured
  • Fresh Calibration
  • Calibration Plan

Still not sure about your purchase?

Feel free to ask any additional questions you may have. We're here to help!

Contact Us

FAQs

What are the main differences between Keysight New, Keysight Premium Used & Keysight Used equipment?

  Keysight New Keysight Premium Used Keysight Used
Savings None Up to 70% Up to 90%
Condition New Like New Working Condition ¹
Firmware Latest Updated As is
Calibration Full Full As listed
Accessories New New As listed
Warranty 1 to 5 Years ² Like New 90 Days Warranty
Customization Possible Possible Limited

Learn more about Keysight Premium Used Here

Can I configure a unit to meet my personal needs?

Customization is generally possible with our Keysight Premium Used equipment. The majority of our Keysight Premium Used equipment can be configured just the way you need it. Options can be added at additional cost.
Customizing Keysight Premium Used equipment might change the delivery and lead time of the item.

Some Keysight Used products cannot be customized. Use the contact option on the product page to check with the our eStore team.

What accessories are included?

Keysight Premium Used equipment typically comes with the same accessories and warranty as new products.

Can you include other accessories?

We currently only offer those accessories which are part of the listing. Other accessories can be purchased separately at extra cost with your purchase of a Keysight Used or Keysight Premium Used unit.

Please mention in the comment field which additional accessories or support you are interested in.

For seperate or post-purchase ordering, please contact your local Keysight office or Keysight Partner here. Or check our online store if available for your region here.

Get an Account and Keep Track of Models, Prices, and Availability

Sign up now

Education
and Non-profit Customers Can Save Extra

Learn more