The HP/Agilent 8482H is a precision thermocouple power sensor for average power measurement from 100 kHz to 4.2 GHz. It delivers accurate measurements across -10 dBm to +35 dBm with excellent VSWR performance and calibration traceability to NIST. The sensor’s thermocouple sensing element provides stability and low measurement uncertainty, making it essential for RF and microwave power characterization in production test, field service, and design validation environments.
– Technical Specifications
• Frequency Range: 100 kHz to 4.2 GHz
• Power Measurement Range: -10 dBm to +35 dBm (100 µW to 3 W)
• Sensing Element: Thermocouple
• Connector: Type-N male, 50 ohm impedance
• Maximum Input Power: 200 mW (23 dBm)
• VSWR: < 1.15:1
• Calibration: NIST-traceable with unique calibration factor per unit; reflection coefficient data provided at 1 GHz increments
• Operating Temperature: 0°C to 55°C
• Storage Temperature: -40°C to +75°C
• Relative Humidity: < 95%
• Altitude: < 4,572 meters
• Weight: 0.2 kg
– Key Features
• Thermocouple-based design minimizes measurement drift and noise
• Low VSWR reduces mismatch uncertainty in power calculations
• Wide dynamic range spans 45 dB from -10 dBm to +35 dBm
• Individual calibration certificates include frequency-dependent correction factors
• Compact form factor optimized for inline or bench-top configurations
– Typical Applications
• RF transmitter power verification and monitoring
• Microwave component and amplifier characterization
• Production acceptance testing for power levels to 3 W
• Field service power measurements across 100 kHz to 4.2 GHz band
– Compatibility & Integration
The 8482H sensor integrates with EPM, EPM-P, 43x, 435, 436, 437, 438 series power meters; 70100A; E1416A VXI; N1911A/N1912A/N1913A/N1914A; and E4418A/B and E4419A/B instruments.
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