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


Contact an Expert

N3974A Keysight Handheld Dual Laser Source

Product Status: Obsolete | View Service Options
This product is no longer available

A replacement for this product is available:

Key Features & Specifications

  • robust,rugged construction
  • easy to learn and use
  • highly functional
  • practical cases to protect instruments in transit also available


The Keysight N3974A Handheld Dual Laser Source is a high-end instrument for painless field test of fiber optic systems and features ultra high stability and no need for a warm up period.