Keysight E4981B Capacitance Meter

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Benefits of the E4981B Ceramic Capacitor Production Tester

Precise high-speed measurement of capacitances.
Wide measurement range from small to large capacitance from 0 F to 2.0 mF.
Test of ceramic capacitors and high-value multi-layer ceramic capacitors.

Keysight E4981B Capacitance Meter

From October 1-, 2024, the Keysight E4981B will replace the previous E4981A models - fully compatible and with almost identical technical specifications. The Keysight E4981B capacitance meter allows reliable, high-speedmeasurement and test of ceramic capacitors in the production lines. The E4981B offers measurement capabilities of capacitance from small to large values with accurate measurements. The capacitance meter contributes improvements of the test throughput, while attaining excellent component quality for ceramic capacitor testing.

Measurement parameters Cp-D, Cp-Q, Cp-Rp, Cp-G Cs-D, Cs-Q, Cs-Rs
(Cp: Capacitance value measured using the parallel equivalent circuit model;
Cs: Capacitance value measured using the series equivalent circuit model;
D: Dissipation factor;
Q: Quality factor (inverse of D);
G: Equivalent parallel conductance measured using the parallel equivalent circuit model;
Rp: Equivalent parallel resistance measured using the parallel equivalent circuit model;
Rs: Equivalent series resistance measured using the series equivalent circuit model).
High speed measurement with 2.3 ms (1 MHz), 3.0 ms (1 kHz), 11.0 ms (120 Hz).
Accurate C-D testing 0.05%, 0.0005 (specification), 0.042%, 0.0003 (typical).
9 bin sorting.
256 multi-channel correction.
Compatible SCPI command and handler/scanner interfaces with the obsolete models 4268A and 4288A.
Test signal level compensation for high value ceramic capacitor tests.
Versatile PC connectivity (LAN/Ethernet, USB and GPIB).
Accurate and repeatable measurements, even small capacitance can be measured.
Enhanced functions for production test: Enhanced contact failure detections, synchronous source, frequency shift (±1%, ±2%) at 1 MHz, faster data transfer.

Model Overview

Model/option	E4981B-001	E4981B-002
Frequency	120 Hz, 1 kHz, 1 MHz, 1 MHz ±1%, 1 MHz ±2%	120 Hz, 1 kHz (can be upgraded)
	Allowable frequencies: 120 Hz, 1 kHz, 1 MHz, 0.98 MHz (1 MHz –2%), 0.99 MHz (1 MHz –1%), 1.01 MHz (1 MHz +1%), 1.02 MHz (1 MHz +2%); accuracy: ±0.02%
Level	Range 0.1...1 V, resolution 0.01 V, accuracy ±5%
Output mode	Continuous or synchronous
Measurement cable lengths	0 m, 1 m, 2 m
Measurement range selection	Range selection: Auto, hold
	Measurement signal frequency 120 Hz - measurement range: 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 - measurement range: 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 MHz ±1%/1 MHz ±2% - measurement range: 1 pF, 2.2 pF, 4.7 pF, 10 pF, 22 pF, 47 pF, 100 pF, 220 pF, 470 pF, 1 nF
Measurement display ranges	Cs, Cp: ±1.000000 aF...999.9999 EF; D: ±0.000001...9.999999; Q: ±0.01...99999.99; Rs, Rp: ±1.000000 aΩ...999.9999 EΩ; G: ±1.000000 aS...999.9999 ES; Δ%: ±0.0001...999.9999% (note: a -> 1x 10^-18, E -> 1x 10¹⁸)
Display	LCD, 320x240 (pixel), RGB color
Interfaces	LAN/Ethernet, USB, GPIB
Dimensions (mm)	370 x 105 x 405; approx. 4.3 kg

Available Measurement Ranges

Frequency	Measurement range setting	Recommended measurement range	Significant measurement range
120 Hz	10 nF	0 F...15 nF	0 F...15 nF
	22 nF	15 nF...33 nF	0 F...33 nF
	47 nF	33 nF...68 nF	0 F...68 nF
	100 nF	68 nF...150 nF	0 F...150 nF
	220 nF	150 nF...330 nF	0 F...330 nF
	470 nF	330 nF...680 nF	0 F...680 nF
	1 µF	680 nF...1.5 µF	0 F...1.5 µF
	2.2 µF	1.5 µF...3.3 µF	0 F...3.3 µF
	4.7 µF	3.3 µF...6.8 µF	0 F...6.8 µF
	10 µF	6.8 µF...15 µF	0 F...15 µF
	22 µF	15 µF...33 µF	0 F...33 µF
	47 µF	33 µF...68 µF	0 F...68 µF
	100 µF	68 µF...150 µF	0 F...150 µF
	220 µF	150 µF...330 µF	0 F...330 µF
	470 µF	330 µF...680 µF	0 F...680 µF
	1 mF	680 µF...2 mF	0 F...2 mF
1 kHz	100 pF	0 pF...150 pF	0 F...150 pF
	220 pF	150 pF...330 pF	0 F...330 pF
	470 pF	330 pF...680 pF	0 F...680 pF
	1 nF	680 pF...1.5 nF	0 F...1.5 nF
	2.2 nF	1.5 nF...3.3 nF	0 F...3.3 nF
	4.7 nF	3.3 nF...6.8 nF	0 F...6.8 nF
	10 nF	6.8 nF...15 nF	0 F...15 nF
	22 nF	15 nF...33 nF	0 F...33 nF
	47 nF	33 nF...68 nF	0 F...68 nF
	100 nF	68 nF...150 nF	0 F...150 nF
	220 nF	150 nF...330 nF	0 F...330 nF
	470 nF	330 nF...680 nF	0 F...680 nF
	1 µF	680 nF...1.5 µF	0 F...1.5 µF
	2.2 µF	1.5 µF...3.3 µF	0 F...3.3 µF
	4.7 µF	3.3 µF...6.8 µF	0 F...6.8 µF
	10 µF	6.8 µF...15 µF	0 F...15 µF
	22 µF	15 µF...33 µF	0 F...33 µF
	47 µF	33 µF...68 µF	0 F...68 µF
	100 µF	68 µF...200 µF	0 F...200 µF
1 MHz	1 pF	0 F...1.5 pF	0 F...1.5 pF
	2.2 pF	1.5 pF...3.3 pF	0 F...3.3 pF
	4.7 pF	3.3 pF...6.8 pF	0 F...6.8 pF
	10 pF	6.8 pF...15 pF	0 F...15 pF
	22 pF	15 pF...33 pF	0 F...33 pF
	47 pF	33 pF...68 pF	0 F...68 pF
	100 pF	68 pF...150 pF	0 F...150 pF
	220 pF	150 pF...330 pF	0 F...330 pF
	470 pF	330 pF...680 pF	0 F...680 pF
	1 nF	680 pF...1.5 nF	0 F...1.5 nF

3Y Warranty & Keysight CARE

Agilent’s Electronic Measurement Group is now Keysight Technologies.