The Agilent/Keysight E4418B EPM Series Single-Channel Power Meter is a single-channel RF and microwave power measurement instrument engineered for benchtop use and integration into automatic test equipment (ATE) systems. It delivers high accuracy, speed, and repeatability across a wide dynamic range, accommodating diverse sensor types and measurement scenarios. The meter supports a broad compatibility ecosystem with Agilent/Keysight 8480, N8480, and E-Series power sensors, enabling flexible measurement configurations from 9 kHz to 110 GHz with power levels spanning -70 dBm to +44 dBm.
– Technical Specifications
Measurement Range and Dynamic Performance
• Power Range: -70 dBm to +44 dBm (100 pW to 25 W), sensor dependent
• Frequency Range: 9 kHz to 110 GHz, sensor dependent
• Single Sensor Dynamic Range: 90 dB maximum (E-Series), 50 dB maximum (8480 Series), 55 dB maximum (N8480 Series)
Accuracy
• Absolute Accuracy: ±0.02 dB (log mode), ±0.5% (linear mode)
• Relative Accuracy: ±0.04 dB (log mode), ±1.0% (linear mode)
• Power Reference Accuracy: ±0.5% at 23 ± 3 °C, ±0.6% at 25 ± 10 °C, ±0.9% at 0 to 55 °C (two-year specification)
Measurement Speed and Resolution
• Normal Mode: 20 readings/second
• x2 Mode: 40 readings/second
• Fast Mode: 200 readings/second (E-Series sensors only)
• Display Resolution: Selectable from 0.001 to 1.0 dB in log mode, or 1 to 4 digits in linear mode; default 0.01 dB (log) or 3 digits (linear)
• Averaging: 1 to 1024 readings available for noise reduction
Display and User Interface
• High-resolution LCD display with LED backlighting and contrast control
• Absolute units: Watts or dBm; Relative units: Percent or dB
• Hardware and softkey menu controls for streamlined operation
• Configuration memory: Save and recall up to ten setups
Power Reference Output
• Output Level: 1.00 mW (0.0 dBm) at 50 MHz nominal
• Connector: Type-N (f), 50 Ω; SWR 1.06 maximum (1.08 maximum for Option 003)
Electrical
• Input Voltage: 85 to 264 VAC, automatic selection
• Input Frequency: 50 to 440 Hz
• Optional internal rechargeable battery for field applications
– Key Features
• Multi-sensor compatibility spanning frequency and power measurement domains
• Selectable measurement speed up to 200 readings/second for dynamic characterization
• Log and linear display modes with configurable resolution
• Factory power reference calibrated to ±0.4% traceable to UK NPL
• Configuration storage for rapid setup in repetitive test sequences
– Typical Applications
• RF and microwave power measurement in development and manufacturing
• ATE integration for high-volume component and module testing
• Field power audits and maintenance verification across telecom and aerospace platforms
• Dynamic power profiling in time-variant signal environments
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