2
Agilent
precision LCR meter family
Utilize state-of-the art
measurement technologies
• 6-digits of resolution at any range
• Basic accuracies of
0.05% (Agilent 4284A) and
0.1% (Agilent 4285A)
• 20 impedance parameters to access
and measure
• Constant V or I test signal level
• 20 Vrms test signal level
(Agilent 4284A)
Move your process toward
error-free operation
• Instrument setup state storage
• Comparator functions
• Selectable frequency error
corrections
• Open, short and load corrections
remove parasitics
Key specifications
Agilent 4284A precision LCR meter
Test frequency 20 Hz to 1 MHz over 8610 selectable frequencies
Measurement range
1
|Z|, R, X :0.01 mΩ to 99.9999 MΩ
|Y|, G,B :0.01 nS to 99.9999 S
C :0.01 fF to 9.99999 F
L :0.01 nH to 99.9999 kH
D :0.000001 to 9.99999
Q :0.01 to 99999.9
Basic accuracy |Z| , C and L:0.05% D:0.0005
Test signal level range
Voltage 5 mVrms to 2 Vrms
Current 50 µArms to 20 mArms
Constant test signal level range
Voltage 10 mVrms to 1 Vrms
Current 100 µArms to 10 mArms
Measurement time
2
39 ms/190 ms/830 ms at 1 kHz
4284A with Option 4284A-001
Test signal level range
Voltage 5 mVrms to 20 Vrms
Current 50 µArms to 200 mArms
Constant test signal level range
Voltage 10 mVrms to 10 Vrms
Current 100 µArms to 100 mArms
Internal DC bias ± (1 mV ~ 40 V), ≤ 100 mA, 0.1% accuracy
4284A with Option 4284A-002 and 42841A
DC current bias 0.01 A to 20 A (with 42841A and 42842A)
0.02 A to 40 A (with 42841A x 2 ea., 42842B and 42843A)
1. Refer to specifications for complete accuracy.
2. Supplimental information only.
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