Keysight E4980A 精密 LCR 表：元器件阻抗测量的行业基准
在无源元器件 characterization、材料科学研究及质量检验领域，对电感、电容和电阻等参数进行高精度及高重复性测量至关重要。是德科技（Keysight Technologies）E4980A 精密 LCR 表以其卓越的测量精度、宽测试范围及高效的测试速度，已成为研发与生产线中阻抗测量的标准仪器之一。
为确保此类精密测量仪器长期保持其计量准确性及稳定性，专业的校准、维护与技术支持必不可少。深圳市宝安区沙井方丰瑞仪器设备经营部在精密阻抗与元件测试设备领域具备专业服务能力，可为 E4980A 用户提供全面的技术支持与服务保障。
E4980A：高精度与高效率并重的阻抗测量平台
核心性能与技术特点：
宽广的频率与参数范围
频率覆盖 20 Hz 至 2 MHz（E4980A）/1 MHz（E4980AL），支持基本阻抗（|Z|、|Y|）、电感、电容、电阻、损耗因子等全面参数测量。
宽阻抗测量范围（0.1 mΩ 至 130 MΩ），满足从功率电感至射频电容等多种元器件测试需求。
卓越的测量精度与稳定性
基本精度达 0.05%，配合优异的温度稳定性（±0.5°C 温控基座），确保测量结果长期可靠。
低直流偏置（< 2 mV）及可选内置 40 V DC 偏置，适用于电容偏压特性及电感饱和电流测试。
快速的测试吞吐能力
高速测量模式下可达 18 ms/次（包括触发、测量与数据传输），适用于产线高节拍测试。
支持列表扫描模式，可对多个频率点及电平条件进行自动化连续测试。
灵活的配置与连接能力
提供 4 端子对（4TP）与 5 端子（5T）测试夹具接口，有效降低引线误差。
标配 LAN、USB 与 GPIB 接口，支持 SCPI 指令集，便于集成至自动化测试系统。
典型应用场景
无源元器件研发与检验：电感、电容、电阻、变压器等器件的阻抗参数与频率特性分析。
材料介电特性测试：薄膜、陶瓷等材料的介电常数与损耗角正切测量。
半导体封装与 PCB 评估：封装寄生参数、传输线特性阻抗等高频特性测试。
教育科研与产线质量监控：高校电子实验室、元器件生产企业中的来料检验与产品分选。
专业服务保障测量可追溯性与稳定性
LCR 表的测量精度直接影响元器件参数判定的准确性。其内部基准、信号源与检测电路的长期稳定性需通过定期校准与维护予以保证。
深圳市宝安区沙井方丰瑞仪器设备经营部可为 E4980A 提供以下专业服务：
系统校准与计量溯源：依据国家标准，对仪器的阻抗幅度、相位、频率精度等关键指标进行全面校准，确保测量结果可追溯。
性能验证与优化：对测量速度、稳定性、温度漂移等性能进行检测与优化。
测试夹具校准与适配：提供各类 LCR 测试夹具的校准与适配服务，保障端接一致性。
故障诊断与维修：对因老化或意外导致的测量异常、接口故障等问题进行专业诊断与修复。
结语
是德科技 E4980A 精密 LCR 表以其高精度、高速度与高可靠性，成为无源元器件与材料阻抗特性分析的行业标杆。通过与深圳市宝安区沙井方丰瑞仪器设备经营部建立技术合作，用户可获得从设备校准、性能维护到系统集成支持的全方位服务，确保测量系统长期保持卓越性能，为研发验证与质量管控提供精准可信的数据支撑。
Keysight E4980A Precision LCR Meter: Industry Benchmark for Component Impedance Measurement
Overview
In the fields of passive component characterization, materials science research, and quality inspection, high-precision and highly repeatable measurements of parameters such as inductance, capacitance, and resistance are crucial. The Keysight E4980A Precision LCR Meter, with its exceptional measurement accuracy, wide test range, and high test efficiency, has become a standard instrument for impedance measurement in both R&D and production lines.
To ensure that such precision measurement instruments maintain their metrological accuracy and stability over the long term, professional calibration, maintenance, and technical support are essential. The Shenzhen Bao'an Shajing Fangfengrui Instrument Equipment Business Department possesses professional expertise in precision impedance and component testing equipment, providing comprehensive technical support and service guarantees for E4980A users.
E4980A: An Impedance Measurement Platform Combining High Precision and Efficiency
Core Performance and Technical Features:
Wide Frequency and Parameter Range
Frequency coverage: 20 Hz to 2 MHz (E4980A) / 1 MHz (E4980AL)
Supports comprehensive parameter measurements: basic impedance (|Z|, |Y|), inductance, capacitance, resistance, loss factor, etc.
Wide impedance measurement range (0.1 mΩ to 130 MΩ), meeting testing needs for various components from power inductors to RF capacitors.
Exceptional Measurement Accuracy and Stability
Basic accuracy: 0.05%, combined with excellent temperature stability (±0.5°C temperature-controlled base), ensuring long-term reliability of measurement results.
Low DC bias (< 2 mV) and optional built-in 40 V DC bias, suitable for capacitor bias characteristics and inductor saturation current testing.
Rapid Test Throughput Capability
High-speed measurement mode: up to 18 ms per measurement (including triggering, measurement, and data transfer), ideal for high-cycle production line testing.
Supports list sweep mode for automated continuous testing at multiple frequency points and level conditions.
Flexible Configuration and Connectivity
Provides 4-terminal pair (4TP) and 5-terminal (5T) test fixture interfaces, effectively reducing lead errors.
Standard LAN, USB, and GPIB interfaces, supporting SCPI command sets for easy integration into automated test systems.
Typical Application Scenarios
Passive Component R&D and Inspection: Impedance parameters and frequency characteristic analysis of inductors, capacitors, resistors, transformers, etc.
Material Dielectric Property Testing: Dielectric constant and loss tangent measurements of films, ceramics, and other materials.
Semiconductor Packaging and PCB Evaluation: High-frequency characteristic testing, such as package parasitic parameters and transmission line characteristic impedance.
Education, Research, and Production Line Quality Monitoring: Incoming inspection and product sorting in university electronics laboratories and component manufacturing plants.
Professional Services Ensure Measurement Traceability and Stability
The measurement accuracy of an LCR meter directly affects the accuracy of component parameter determination. The long-term stability of its internal references, signal sources, and detection circuits must be ensured through regular calibration and maintenance.
The Shenzhen Bao'an Shajing Fangfengrui Instrument Equipment Business Department offers the following professional services for the E4980A:
System Calibration and Metrological Traceability: Comprehensive calibration of key indicators such as impedance magnitude, phase, and frequency accuracy in accordance with national standards, ensuring traceable measurement results.
Performance Verification and Optimization: Testing and optimization of measurement speed, stability, temperature drift, and other performance aspects.
Test Fixture Calibration and Adaptation: Calibration and adaptation services for various LCR test fixtures, ensuring termination consistency.
Fault Diagnosis and Repair: Professional diagnosis and repair of measurement abnormalities, interface failures, and other issues caused by aging or accidents.
Conclusion
The Keysight E4980A Precision LCR Meter, with its high precision, high speed, and high reliability, has become an industry benchmark for impedance characteristic analysis of passive components and materials. By establishing a technical partnership with the Shenzhen Bao'an Shajing Fangfengrui Instrument Equipment Business Department, users gain access to comprehensive services—from equipment calibration and performance maintenance to system integration support—ensuring the measurement system maintains卓越 performance long-term and providing accurate, trustworthy data support for R&D verification and quality control.
Shenzhen Bao'an Shajing Fangfengrui Instrument Equipment Business Department
A company integrating electronic instrument sales, test solutions, pre-sales services, instrument repair, equipment rental, recycling, and calibration services.
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