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Key Features & Specifications

DMM functions for basic needs

  • 11 basic measurements
  • 6 Built-in math functions

Accurate, reliable measurements

  • 0.02% DCV
  • 50,000 counts resolution

Physical security

  • Kensington lock slot helps secure the U3401A and prevents theft or misplacement

Efficient testing, easy analysis

  • Dual display on bright VFD lets you view two readings simultaneously


The U3401A digital multimeter will be discontinued December 1, 2017. The last day to place an order for these products is November 30, 2017. Committed to providing world-class customer support, Keysight will continue to support these products for the standard period of 5 years.

If you have a limited budget and need a high quality and reliable DMM with good performance at 4½ digits, the new Keysight U3401A low cost basic dual display DMM is the product for you. Basic measurements include DC, AC and AC+DC voltage and current, 2-wire resistance, frequency, continuity and diode tests. Math functions include dBm, Relative, Min/Max, Compare, Hold and Percentage. This affordable bench top unit makes the grade in educational, electronics and communications applications. For extra credit, the U3401A also includes a PC-grade lock slot for physical security.