Here’s the page we think you wanted. See search results instead:


Contact an Expert

Starting From US$ 4,445

Typical Configuration  

Typical Configuration

34420A Nanovolt/micro-ohm meter, 7.5 digit

  • 34420A-ABA English Printed Manual Set (full documentation on CD-ROM)
  • 34420A-120 120-volt ac line selection
  • R-51B-001-Z Return to Keysight Warranty - 3 years


Prices for: United States

* Prices are subject to change without notice. Prices shown are Manufacturer's Suggested Retail Prices (MSRP). Prices shown are exclusive of taxes.

Key Features & Specifications

Notice for European Union Customers: This product is not updated to EU RoHS compliance and can be ordered via Keysight directly or Keysight Authorized Distributors until 31 December 2016. Beyond this date, the product can still be purchased from Keysight Authorized Distributors. Please contact Keysight Authorized Distributors or your local Keysight sales representative for quotation and ordering.

Measurement Capability

  • 7 ½ digit resolution
  • High sensitivity DCV and resistance measurements at 100 pV and 100 nOhm
  • Built-in low noise 2 channel scanners
  • Temperature measurements with 0.003 deg C accuracy using SPRT probes


  • 3 low power, dry circuit testing built-in resistance functions
  • Direct SPRT, RTD, Thermistor, and Thermocouple measurements


The Keysight 34420A nanoVolt, micro-Ohm meter is a high-sensitivity multimeter optimized for performing low-level measurements. It combines low-noise voltage measurements with resistance and temperature functions, setting a new standard in low-level flexibility and performance.

Learn more 9 Tips for Making Better Resistance Measurements.