170 Keysight E4981A 120 Hz/1 kHz/1 MHz Capacitance Meter
Specifications and Supplemental Information
Basic Specifications
10-
Measurement range
For information on measurable range in each measurement mode, refer to 
“Available measurement ranges” on page 171.
Averaging
Trigger mode
Internal trigger (Int), Manual trigger (Man), External trigger (Ext), 
GPIB/USB/LAN trigger (Bus)
Trigger delay time
Measurement signal 
frequency: 120 Hz
10 nF 22 nF 47 nF 100 nF 220 nF 470 nF
1 µF 2.2 µF 4.7 µF 10 µF 22 µF 47 µF
100 µF 220 µF 470 µF 1 mF
Measurement signal 
frequency: 1 kHz
100 pF 220 pF 470 pF 1 nF 2.2 nF 4.7 nF
10 nF 22 nF 47 nF 100 nF 220 nF 470 nF
1 µF 2.2 µF 4.7 µF 10 µF 22 µF 47 µF
100 µF
Measurement signal 
frequency: 1 MHz
1 pF 2.2 pF 4.7 pF 10 pF 22 pF 47 pF
100 pF 220 pF 470 pF 1 nF
Range 1 - 256 measurements
Resolution 1
Range 0 - 1 s
Resolution 0.1 ms