The Keysight E4418A is a single-channel, average power meter, part of the EPM (Evolving Power Meter) series. Key features include its high accuracy and speed, making it suitable for demanding applications in manufacturing, R&D, and service environments. Compatible with a broad range of Keysight power sensors, it accurately measures average power of CW and modulated signals. It supports various interfaces for remote control and data acquisition, enhancing its utility in automated test systems. The E4418A provides reliable and repeatable measurements, essential for maintaining quality and performance in RF and microwave systems.

Keysight / Agilent / HP E4418A (EPM-441A) EMP Series Power Meter
The Keysight E4418A (also known as Agilent or HP E4418A) is a high-performance, single-channel EPM series power meter designed for RF and microwave power measurements. It offers a frequency range of 9 kHz to 110 GHz (sensor dependent) and a power range of -70 dBm to +44 dBm (sensor dependent). Ideal for testing and calibrating communication systems, radar, and electronic warfare equipment. Features include high accuracy, fast measurement speed, and compatibility with a wide range of Keysight power sensors.
Product Condition & Availability
Keysight / Agilent / HP E4418A (EPM-441A) EMP Series Power Meter is in excellent working condition and has been thoroughly tested for performance and reliability. We offer both new and professionally refurbished options, depending on availability and customer preference.
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Integrated Solutions & Deployment Support
Beyond individual products, Aumictech provides end-to-end solutions for manufacturing line deployment and test station setup. Our team can assist with system integration, configuration, and equipment selection tailored to your production requirements.
Trusted Industry Experience
With over a decade of experience, Aumictech is a recognized leader in RF and optical test equipment sales and services. All units are supported by our in-house calibration and repair facility based in Downingtown, PA, ensuring technical reliability and long-term value.
Customer Commitment
We’re committed to exceptional customer service, offering a 15-day return or replacement (ROR) policy for peace of mind. Our team is always available to assist with pre- and post-sale support.
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We offer rapid global shipping through FedEx, UPS, and DHL, with most orders dispatched within 1–3 business days. Multiple secure payment options are available, including PayPal, ACH, wire transfers, and major credit cards.
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