19 | Keysight | 4285A Precision LCR Meter – Data Sheet

Temperature coefficient

When the following conditions are satisfied,

Integration time:

LONG

Test signal voltage:

≥ 20 mVrms

Operating temperature:

23 °C ± 5 °C

Parameter

≤ 1 MHz

30 MHz

|Z|, |Y|, L, C, R

< 0.004%/°C

< 0.05%/°C

D

< 0.00004/°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:

—

1

C

where:

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

Measurement time

SHORT

30 ms

MEDIUM

65 ms

LONG

200 ms

In the following condition an additional measurement time, approx. 300 ms, is added to

the measurement time.

Test signal voltage:

0.51 V – 2 Vrms

Measurement range:

0 Ω Range

Test signal current:

≥ 22 mA