Keysight 4285A 75 kHz - 30 MHz, Precision LCR Meter

Rent HP Agilent 4285A 75 kHz - 30 MHz, Precision LCR Meter
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Keysight 4285A
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The Keysight 4285A 75 kHz - 30 MHz, 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.

Option 001: 40V DC Bias



  • 6-digits of resolution at any range
  • Basic accuracies of 0.1%
  • 20 impedance parameters to access and measure
  • Constant V or I test signal level
  • Instrument setup state storage
  • Comparator functions
  • Selectable frequency error corrections
  • Open, short and load corrections remove parasitics



Test frequency 75 kHz to 30 MHz with 100 Hz resolution
Measurement range |Z|, R, X :0.01 m Ω to 99.9999 MΩ
|Y|, G,B :0.01 nS to 99.9999 S
C :0.01 fF to 999.999 µF
L :0.001 nH to 99.9999 H
D :0.000001 to 9.99999
Q :0.01 to 99999.9


Basic accuracy |Z|, C and L:0.1% D:0.001
Test signal level range
Voltage:  5 mVrms to 2 Vrms
Current : 200 µArms to 20 mArms
Constant test signal level range
Voltage: 10 mVrms to 1 Vrms
Current: 100 µArms to 20 mArms
Measurement time 30 ms/65 ms/200 ms
4285A with Option 4285A*
Internal DC bias ±(1 mV ~ 40 V), ≤ 100 mA, 0.1% accuracy
4285A with Option 4285A-002, 42841A, and 42842C*
DC current bias 0.01 A to 10 A