The Rohde & Schwarz URV55 Millivoltmeter delivers precise AC voltage, level, and power measurements across DC to 40 GHz using intelligent measuring heads from the URV5-Z series. Each head stores calibration data and temperature information, enabling automatic configuration and eliminating manual calibration steps. The instrument operates on a plug-and-play principle—simply connect a measuring head and begin measuring. Calibration offsets and frequency-response corrections apply instantly, ensuring high accuracy without user intervention.
The URV55 measures AC voltages from 200 µV to 1000 V with sensors spanning DC to 3 GHz, and RF power from 100 pW to 30 W across DC to 40 GHz. The modular URV5-Z series includes high-impedance voltage probes (URV5-Z7 for PCB measurements, URV5-Z1 DC probe for high-frequency circuits) and insertion units (URV5-Z2, URV5-Z4) for coaxial-line voltage measurements with minimal insertion loss. Compatible NRV-Z thermal power and diode sensors expand measurement capability. Optional plug-on dividers extend range and increase input impedance to minimize loading on the device under test.
Technical Specifications
Voltage Measurement
• Range: 200 µV to 1000 V
• Frequency Range (with voltage sensors): DC to 3 GHz
Power Measurement
• Range: 100 pW to 30 W
• Frequency Range (with power sensors): DC to 40 GHz
Waveform Weighting
• RMS value indication for sinewave voltages at AC sensors URV5-Z
• True RMS measured for modulated sinewave voltages up to 30 mV peak envelope (10 µW PEP in 50 Ω systems)
• Peak value measured above 1 V; peak-to-peak value converted to equivalent sinewave RMS (Vpp/(2√2))
– Key Features
• Intelligent measuring heads with embedded calibration memory and temperature sensors
• Automatic frequency-response correction
• High-impedance probes and insertion units for diverse measurement scenarios
• Plug-on dividers to extend voltage range and minimize DUT loading
• Compatible with URV5-Z voltage sensors and NRV-Z power sensors
– Typical Applications
• RF and microwave circuit characterization
• PCB voltage measurements in development and production
• Broadband power measurements in test systems
• Level measurements across laboratory and manufacturing environments
– Compatibility & Integration
The URV55 accepts URV5-Z series measuring heads and NRV-Z thermal power sensors, each providing independent calibration tracking and temperature compensation for field-deployable accuracy.
