SPECIFICATIONS LCR METER – KEYSIGHT E4982A
Thông số kỹ thuật chung |
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Frequency Range | 1 MHz to 300 MHz / 500 MHz / 1 GHz / 3 GHz (depending on option) |
Frequency Resolution | 1 kHz |
Frequency Accuracy | ±10 ppm (23 °C ± 5 °C),
±20 ppm (5 °C to 40 °C) |
Impedance Measurement Range | 140 mΩ to 4.8 kΩ (typical at 1 MHz) |
Test Signal Level | – 40 dBm to 1 dBm, 0.0894 mA to 10 mA, 4.47 mV to 502 mV |
Measurement Speed | As fast as 0.9 ms (typical) |
Measurement Accuracy | Basic uncertainty 0.45% |
Display | 10.4-inch color TFT LCD |
List Sweep Capability | 201 points × 8 tables |
Trigger Modes | Internal, External, Manual, and Bus |
Interfaces | GPIB, USB, LAN, USB host, VGA output |
Calibration Methods | Open, Short, Load, Port extension compensation |
Power Supply | Voltage: 90 – 264 VAC
Frequency: 47 – 63 Hz VA max: 300 VA |
Operating Environment | Temperature: 5 °C to 40 °C,
Humidity: 20%–80% RH, Altitude: 0 to 2,000 m |
Dimensions | 432 mm (W) x 222 mm (H) x 297 mm (D) |
Weight | Main unit: 13 kg,
Test head: 250 g with plate |
Keysight E4982A: High-Performance LCR Meter for Electronics Testing
The Keysight E4982A is a high-frequency precision LCR meter designed for accurate impedance measurement of high-speed and RF components such as SMD capacitors, inductors, filters, and baluns. Supporting test frequencies from 1 MHz to 300 MHz / 500 MHz / 1 GHz / 3 GHz (depending on option), it delivers high-speed measurements and excellent accuracy, making it ideal for component R&D, quality control, and production environments.
With flexible oscillator level settings, a broad impedance measurement range, and advanced calibration functions, the E4982A ensures precise, repeatable results. It features a 10.4-inch color LCD, intuitive user interface, and supports USB, GPIB, and LAN for full system integration and automation.
Whether you’re characterizing components at RF frequencies or validating passive device specs in manufacturing, the Keysight E4982A provides the speed, accuracy, and frequency coverage to meet your measurement needs.

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