Keysight U8481A Power Sensor
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Keysight U8481A USB thermocouple power sensor, 10 MHz to 18 GHz, 0.8% power linearity, -35 to +20 dBm dynamic range.
Product details
| Model | U8481A |
| Manufacturer | Keysight |
| Category | RF Power Sensors |
| Availability | Made to order |
Description
Overview
The Keysight U8481A is a USB thermocouple power sensor designed for average power measurements from 10 MHz to 18 GHz. It delivers best-in-class power linearity of less than 0.8% and a wide dynamic range from -35 dBm to +20 dBm, making it ideal for RF and microwave applications. The sensor plugs directly into a PC via USB and draws power from the port without requiring external instrumentation.
Key Features
- Frequency range: 10 MHz to 18 GHz (or DC to 18 GHz with Option 200)
- Measurement speed: > 400 readings/s in free run/fast buffer mode
- Power linearity: < 0.8%
- Dynamic range: -35 dBm to +20 dBm
- NIST or NPL calibration traceability
- Built-in external trigger input via BNC to SMB connection
- Internal calibration function with integrated DC reference source
- BenchVue software included for data logging and analysis
Applications
- Signal source and network analyzer calibration
- Power reference measurements
- EMC testing and characterization
- RF power measurement and monitoring
Specifications
| Frequency Range | 10 MHz to 18 GHz |
| Measurement Speed | > 400 readings/s |
| Power Linearity | < 0.8% |
| Dynamic Range | -35 dBm to +20 dBm |
| Calibration | NIST or NPL traceable |
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Keysight U8481A Power Sensor
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