05 | 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
Signal level
Table 6. Test signal voltage
Range
0 Vrms - 2.0 Vrms
Resolution
100 µVrms (0 Vrms - 0.2 Vrms)
200 µVrms (0.2 Vrms - 0.5 Vrms)
500 µVrms (0.5 Vrms - 1 Vrms)
1 mVrms (1 Vrms - 2 Vrms)
Accuracy
Normal
±(10% + 1 mVrms)
Test frequency ≤ 1 MHz: spec.
Test frequency > 1 MHz: typ.
Constant1
±(6% + 1 mVrms)
Test frequency ≤ 1 MHz: spec.
Test frequency > 1 MHz: typ.
Table 7. Test signal current
Range
0 Arms - 20 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)
Accuracy
Normal
±(10% + 10 µArms)
Test frequency ≤ 1 MHz: spec.
Test frequency > 1 MHz: typ.
Constant1
±(6% + 10 µArms)
Test frequency < = 1 MHz: spec.
Test frequency > 1 MHz: typ.
Output impedance: 100 Ω (nominal)
Test signal level monitor function
– Test signal voltage and test signal current can be monitored.
– Level monitor accuracy:
Table 8. Test signal voltage monitor accuracy (Vac)
Test signal voltage2
Test frequency
≤ 1 MHz
Specification
5 mVrms - 2 Vrms
± (3% of reading value + 0.5 mVrms)
± (6% of reading value + 1 mVrms)
> 1 MHz
Table 9. Test signal current monitor accuracy (lac)
Test signal current2
Test frequency
Specification
50 µArms - 20 mArms
≤ 1 MHz
> 1 MHz
± (3% of reading value + 5 µArms)
± (6% of reading value + 10 µArms)
1. When auto level control function is on.
2. This is not an output value but rather a
displayed test signal level.
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