22 | Keysight | E4980A Precision LCR Meter 20 Hz to 2 MHz, E4980AL Precision LCR Meter 20 Hz to 300 kHz/500 kHz/1 MHz – Data Sheet
DC bias signal
Table 35. Test signal voltage
Range
–40 V to +40 V
Resolution
Setup resolution: 100 µV, effective resolution:
330 µV ±(0 V - 5 V)
1 mV ±(5 V - 10 V)
2 mV ±(10 V - 20 V)
5 mV ±(20 V - 40 V)
Accuracy
test signal voltage ≤ 2 Vrms
0.1% + 2 mV (23 °C ± 5 °C)
(0.1% + 2 mV) x 4
(0 to 18 °C or 28 to 55 °C)
0.1 % + 4 mV (23 °C ± 5 °C)
(0.1% + 4 mV) x 4
test signal voltage > 2 Vrms
(0 to 18 °C or 28 to 55 °C)
Table 36. Test signal current
Range
–100 mA - 100 mA
Resolution
Setup resolution: 1 µA, effective resolution:
3.3 µA ±(0 A - 50 mA)
10 µA ±(50 mA - 100 mA)
DC bias voltage level monitor Vdc
(0.5% of reading value + 60 mV) × Kt
When using Vdc-Idc measurement: (spec.)
When using level monitor: (typ.)
Kt
Temperature coefficient
DC bias current level monitor Idc
(A [%] of the measurement value + B [A]) × Kt
When using Vdc-Idc measurement: (spec.)
When using level monitor: (typ.)
A [%]
When the measurement time mode is SHORT: 2%
When the measurement time mode is MED or LONG: 1%
B [A]
Kt
given below
Temperature coefficient
When the measurement mode is SHORT, double the following value.
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