The Rohde & Schwarz NRP-Z221 is a two-path diode power sensor that delivers high-precision RF and microwave power measurement from 10 MHz to 18 GHz. Built for production environments, laboratories, and system integrators, it combines an 80 dB dynamic range with measurement speeds up to 50,000 readings per second—all while requiring zero pre-measurement calibration. Calibration data is stored on the sensor itself, enabling immediate operation via direct USB connection to a PC or laptop.
The dual-path diode architecture mirrors multipath designs in premium sensors, ensuring stable inter-range performance across continuous wave and modulated signals. Measurement modes include continuous average, trace, timeslot/time gate, burst average, and automatic burst detection. The sensor exhibits low harmonic sensitivity and determines average power independent of modulation type, making it equally effective for fixed and dynamic RF environments.
– Technical Specifications
• Frequency Range: 10 MHz to 18 GHz
• Measurement Range: −60 dBm to +20 dBm (1 nW to 100 mW)
• Dynamic Range: 80 dB
• Measurement Speed: Up to 50,000 readings/second; 1,500 measurements/s
• Connector: N Type Plug
• Power Source: USB connection or R&S®NRP2 base unit
• Calibration: Fully characterized over frequency, level, and temperature; on-sensor data storage
– Key Features
• Two-path diode technology for enhanced accuracy across measurement ranges
• Low harmonic sensitivity and modulation-independent power determination
• Measurement modes: continuous average, trace, timeslot/time gate, burst average, automatic burst detection
• Compact form factor optimized for production integration
– Typical Applications
• RF and microwave power verification in manufacturing
• Signal characterization in laboratory environments
• Power measurement of modulated and pulsed signals
• Integration with automated test systems
– Compatibility & Integration
Operates standalone via USB or with the R&S®NRP2 base unit and R&S®NRPV virtual power meter software. Optional connectivity accessories include the R&S®NRP-Z4 passive USB adapter, R&S®NRP-Z3 active USB adapter (with trigger input), and R&S®NRP-Z5 sensor hub (supports up to four sensors and external triggers). Compatible with other R&S® instruments including signal generators, spectrum analyzers, and network analyzers.
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