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Explore dual-channel and ultra-wideband signal analysis for demanding RF workflows.
Get faster, clearer insights with our new multicore, 12-bit oscilloscope up to 33 GHz. Trade in your old oscilloscope and get credit toward a new XR8.
Bridging design and physical testing to evaluate drop, impact, shock, and vibration compliance before hardware exists.
Unlock your free upgrade to the next bandwidth tier.
Strengthen 1.6T network reliability for AI-scale workloads from transceivers to interconnects.
Pair Keysight VSA software with the new XA5 signal analyzer for advanced visualization, demodulation, and analysis — start your 30-day trial today.
With extra memory and storage, these enhanced NPBs run Keysight's AI security and performance monitoring software and AI stack.
Explore end-to-end workflows spanning IC design, validation, wafer test, and photonics.
Explore curated support plans, prioritized to keep you innovating at speed.
Maximize accuracy and performance with precision accessories engineered for Keysight instruments.
Authoritative application notes, data sheets, reference designs, and test procedures to accelerate design and validation decisions.
Hands‑on bootcamps that teach system design, test methods, and production workflows engineers can apply immediately.
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Keysight 4278A 1 kHz/1 MHz电容表是一个高速可靠的精密测试仪器，主要用于对生产线和质量控制过程中的输入/输出电容器进行检验。Keysight 4278A能够对中低容量的电容器（最高200 μF，大多数陶瓷和薄膜式电容器的电容量在这个范围内）进行比较测量，从而提高测试效率。 Keysight 4278A的标准测量频率和振荡器输出电平分别为1 kHz/1 MHz，和从0.1 V到1 V ，以0.1 V步进。Keysight 4278A的内置比较器功能可将部件分为10类。它还提供了高速HP-IB接口和可选的处理器接口，可将Keysight 4278A与自动处理器和外部计算机连接起来，以建立能够自动进行测试和数据采集与分析的完整解决方案。观看： E4980A精密LCR表视频演示
