04 | Keysight | 4285A Precision LCR Meter – Data Sheet
Test signal level monitor
The following test signal level monitor accuracy is specified for an ambient temperature
range of 23 °C ± 5 °C and the test cable length is 0 m.
Mode
Range
Monitor accuracy
4 + 0.2 f + S
set
Voltage
Voltage 0.01 mV
– 2.000 V
rms rms
m
________ ___
± S
[V ]
mon
{
}
100
500
Current
Current 0.001 μA
– 20.00 mA
rms rms
For the temperature range of 0 °C to 55 °C, multiply the temperature induced setting error
listed in Figure 1-5. When test cable length is 1 m or 2 m, add the following error due to
test cable length.
Smon 0.2 x fm x L [V]
where:
fm = Test frequency [MHz]
L
= Test cable length [m]
Smon = Readout value of test signal level
Sset = Setting value of test signal level
For example,
Test frequency:
Test signal level:
1 MHz
1 Vrms
Monitor readout value: 500 mVrms
Cable length: 1 m
Ambient temperature: 25 °C
Then, voltage level monitor accuracy Vma is
4 + 0.2 X 1 1 X 0.2
0.2
ΔVma = 0. 5 X ———————— + ————— + 0. 5 X ——— 1 X 1
100
100
100
= 0.024 [V]
0.024
Vma = ————
0.5
≈ 4.8 [%]
Display Range
Parameter
Range
|Z|, R, X
0.00001 Ω to 99.9999 MΩ
0.00001 μS to 99.9999 S
0.00001 pF to 999.999 μF
0.001 nH to 99.9999 H
0.000001 to 9.99999
0.01 to 99999.9
|Y|, G, B
C
L
D
Q
q
–180.000° to 180.000°
–999.999% to 999.999%
Δ
KEYSIGHT [ Keysight Technologies ]
