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34401A Agilent Multimeter


The 34401A is a 6.5 digit bench multimeter from Agilent. A multimeter is an instrument used to test and measure alternating current (AC) or direct current (DC) voltage, resistance, and electric current. Multimeters combine voltmeters, ammeters, and ohmmeters. Electricians use multimeters to run diagnostics on batteries, switches, components, power sources, and motors.

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Additional Features:

  • 6 1/2 digit resolution
  • 10 measurement functions: DC/AC voltage, DC/AC current, 2 and 4 wire resistance, diode, continuity, frequency, period
  • Basic accuracy: 0.0035% DC, 0.06% AC
  • 1000 V max voltage input, 3 A max current input
  • 1000 readings/second
  • 512 reading memory

The Agilent 34401A digital multimeter gives you the performance you need for fast, accurate bench and system testing. This bench digital multimeter provides a combination of resolution, accuracy, and speed that rivals DMMs costing many times more. 6½ digits of resolution, 0.0015% basic 24-hr dcV accuracy and 1,000 readings/s direct to GPIB assure you of results that are accurate, fast, and repeatable. Commonly accessed attributes, such as functions, ranges, and resolution are selected with a single button press. Advanced features are available using menu functions that let you optimize the unit for your applications.

The Agilent 34401A multimeter was designed with your bench needs in mind. Functions commonly associated with bench operation, like continuity and diode test, are built in. A Null feature allows you to remove lead resistance and other fixed offsets in your measurements. Other capabilities like min/max/avg readouts and direct dB and dBm measurements make check out with the product faster and easier.

The Agilent DMM gives you the ability to store up to 512 readings in internal memory. For troubleshooting, a reading hold feature lets you concentrate on placing your test leads without having to constantly glance at the display. For systems use, the HP 34401A gives you faster bus throughput than any other DMM in its class. The 34401A can send up to 1,000 readings/s directly across GPIB in user-friendly ASCII format.

You also get both GPIB and RS-232 interfaces as standard features. Voltmeter Complete and External Trigger signals are provided so you can synchronize to other instruments in your test system. In addition, a TTL output indicates Pass/Fail results when limit testing is used. To ensure both forward and backward compatibility, the 34401A includes three command languages (SCPI, Keysight 3478A and Fluke8840A/42A), so you don’t have to rewrite your existing test software. An optional rack mount kit is available.

FYI – Keysight Technologies, Agilent Technologies, and HP (Hewlett Packard) are the same Test and Measurement Company. For more info – check out our blog: Understand the Difference Between HP, Agilent, and Keysight

Contact us for the Agilent 34401A Price (if not shown above) or if you need the 34401A Service Manual.

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