Keysight Technologies Inc. 4285A
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Keysight Technologies Inc. 4285A Precision LCR meter 75kHz to 30MHz

The 4285A precision LCR meter provides a precise, reliable, high-speed solution for component and material measurement. For demanding RF component tests, the 4285A offers a higher test-frequency range, from 75 kHz to 30 MHz. Whether in research and development, production, quality assurance, or incoming inspection, the 4285A will meet all of your LCR meter test and measurement requirements.


  • 75 kHz to 30 MHz in 100 Hz steps

Basic Accuracy

  • 0.1% basic accuracy

Measurement Time

  • High-speed measurements: 30 ms/meas.

More Features

  • Constant V or I test signal level
  • 10 A DC bias with the 42841A
  • List sweep measurement capability


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