19 | Keysight | 4285A Precision LCR Meter – Data Sheet
Temperature coefficient
When the following conditions are satisfied,
Integration time:
LONG
Test signal voltage:
Operating temperature:
≥ 20 mVrms
23 °C ± 5 °C
Parameter
|Z|, |Y|, L, C, R
D
≤ 1 MHz
30 MHz
< 0.004%/°C
< 0.00004/°C
< 0.05%/°C
< 0.0005/°C
Settling time
Frequency (fm)
< 50 msec.
Test signal level
< 100 msec.
Measurement range
< 50 msec./range shift
Input protection
Internal circuit protection, when a charged capacitor is connected to the UNKNOWN
terminals.
The maximum capacitor voltage is:
—
C
1
Vmax
=
—— [V]
`
where:
Vmax = ≤ 200 V
C
= Capacitance value in Farads
Measurement time
Typical measurement times from the trigger to the output of EOM at the Handler
Interface. (EOM: End of Measurement)
Integration time
SHORT
Measurement time
30 ms
MEDIUM
LONG
65 ms
200 ms
In the following condition an additional measurement time, approx. 300 ms, is added to
the measurement time.
Test signal voltage:
Measurement range:
Test signal current:
0.51 V – 2 Vrms
0 Ω Range
≥ 22 mA
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