Measurement Accuracy - Keysight E4981A User Manual

Specifications and Supplemental Information
Basic Specifications
Table 10-4 Measurable capacitance ranges when measurement frequency is 1 MHz,
1 MHz ± 1%, 1 MHz ± 2%

Measurement accuracy

The measurement accuracy is defined when all of the following conditions are
met.
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Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
Measurement value
1 pF
2.2 pF
4.7 pF
10 pF
22 pF
47 pF
100 pF
220 pF
470 pF
1 nF
Warm-up time: 30 minutes or longer
Ambient temperature: 18°C - 28°C
Execution of OPEN correction
Execution of Cable correction for 1 MHz measurement
Measurement cable length: 0 m, 1 m, or 2 m (16048A/B/D)
D (dissipation factor) ~ 0.5
1. The outer conductor resistance of cable requires the following conditions:
16048A/B: 62 mΩ or below
16048D: 90 mΩ or below
Recommended
measurement range
0 F - 1.5 pF
1.5 pF - 3.3 pF
3.3 pF - 6.8 pF
6.8 pF - 15 pF
15 pF - 33 pF
33 pF - 68 pF
68 pF - 150 pF
150 pF - 330 pF
330 pF - 680 pF
680 pF - 1.5 nF
Significant
measurement range
0 F - 1.5 pF
0 F - 3.3 pF
0 F - 6.8 pF
0 F - 15 pF
0 F - 33 pF
0 F - 68 pF
0 F - 150 pF
0 F - 330 pF
0 F - 680 pF
0 F - 1.5 nF
1
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