21 | 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
Table 32. Test signal current
Range
0 Arms - 100 mArms
Resolution
1 µArms (0 Arms - 2 mArms)
2 µArms (2 mArms - 5 mArms)
5 µArms (5 mArms - 10 mArms)
10 µArms (10 mArms - 20 mArms)
20 µArms (20 mArms - 50 mArms)
50 µArms (50 mArms - 100 mArms)
Setup accuracy
normal
±(10% + 10 µArms) (test signal voltage ≤ 20 mArms)
(test frequency ≤ 1 MHz : spec., test frequency > 1 MHz : typ.)
±(10% + 100 µArms) (test frequency ≤ 300 kHz,
test signal current > 20 mArms) (spec.)
±(15% + 200 µArms) (test frequency > 300 kHz,
test signal voltage > 20 mArms) (test frequency ≤ 1 MHz : spec.,
test frequency > 1 MHz : typ.)
Constant1
±(6% + 10 µArms) (test signal voltage ≤ 20 mArms)
(test frequency ≤ 1 MHz : spec., test frequency > 1 MHz : typ.)
±(6% + 100 µArms) (test frequency ≤ 300 kHz,
test signal voltage > 20 mArms) (spec.)
±(12% + 200 µArms) (test frequency > 300 kHz,
test signal voltage > 20 mArms) (test frequency ≤ 1 MHz : spec.,
test frequency > 1 MHz : typ.)
Test signal level monitor function
– Test signal voltage and test signal current can be monitored.
– Level monitor accuracy:
Table 33. Test signal voltage monitor accuracy (Vac)
Test signal voltage2
Test frequency
≤ 1 MHz
Specification
5 mVrms to 2 Vrms
±(3% of reading value + 0.5 mVrms)
±(6% of reading value + 1 mVrms)
±(3% of reading value + 5 mVrms)
±(6% of reading value + 10 mVrms)3
> 1MHz
> 2 Vrms
≤ 300 kHz
> 300 kHz
Table 34. Test signal current monitor accuracy (Iac)
Test signal current2
Test frequency
≤ 1 MHz
Specification
50 µArms to 20 mArms
±(3% of reading value + 5 µArms)
±(6% of reading value + 10 µArms)
±(3% of reading value + 50 µArms)
±(6% of reading value + 100 µArms)
> 1MHz
> 20 mArms
≤ 300 kHz
> 300 kHz
1. When auto level control function is on.
2. This is not an output value but a displayed test
signal level
3. Typ. when test frequency is > 1 MHz with test
signal voltage > 10 Vrms.
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