Rohde & Schwarz NRP-Z58 DC-110GHz Thermal Power Sensor

The Rohde & Schwarz NRP-Z58 is a thermal power sensor delivering precise measurements across DC to 110 GHz. Built for aerospace, defense, and telecommunications applications, it combines wide dynamic range with ±0.5% accuracy and measurement speeds to 1000 readings/second. The sensor accepts both N-Type connectors for lower frequencies and 1.85 mm K-Type connectors above 50 GHz, integrating directly with Rohde & Schwarz NRP Series Power Meters via USB interface.

Technical Specifications

• Frequency Range: DC to 110 GHz


• Measurement Range: −60 dBm to +20 dBm (typical)


• Accuracy: ±0.5% of reading (typical)


• Measurement Speed: Up to 1000 readings/second (typical)


• Modulation Bandwidth: Up to 100 MHz (depending on power meter) Electrical & Physical


• Input Impedance: 50 Ω


• Maximum Input Power: +20 dBm (average)


• Overload Protection: Configurable thresholds


• Operating Temperature: 0 °C to 50 °C


• Storage Temperature: −20 °C to 70 °C Connectors & Interface


• N-Type connector (DC to ~50 GHz)


• 1.85 mm K-Type connector (above 50 GHz)


• USB interface to power meter

Key Features

• Single sensor spans DC to 110 GHz without gaps in frequency coverage


• ±0.5% accuracy enables precision measurements on low-level and high-level signals


• Dynamic range accommodates diverse power levels with minimal need for external attenuation


• Fast acquisition at 1000 readings/second supports high-throughput test sequences


• Dual connector approach optimizes RF coupling across the full frequency band

Typical Applications

• Radar and satellite communication systems in aerospace and defense


• 5G infrastructure and millimeter-wave link characterization


• RF/microwave component characterization and signal integrity verification


• Production-line power measurements on RF and microwave assemblies

Compatibility & Integration The NRP-Z58 integrates with Rohde & Schwarz NRP Series Power Meters through USB, enabling centralized measurement control and data logging for laboratory and field deployments.