The Rohde & Schwarz ZN-Z52 is an automatic calibration unit engineered for vector network analyzers operating from 100 kHz to 26.5 GHz. This four-port calibration standard delivers precise, traceable reference measurements across the full frequency span, enabling accurate VNA characterization in development, manufacturing, and field applications. The ZN-Z52 connects via USB for automatic detection and configuration, eliminating manual setup complexity. Port assignment is accomplished with a single keystroke. Multiport calibration is supported, accommodating simultaneous measurement of multiple device ports. The unit requires virtually no warm-up time and is immediately ready for measurement after connection.
– Technical Specifications
• Frequency Range: 100 kHz to 26.5 GHz
• Number of Ports: 4
• Impedance: 50 Ohms
• Connector Type: 3.5 mm (f)
• Nominal Input Level Range: –45 dBm to +20 dBm
• Damage Level: +23 dBm
• DC Supply Voltage: 12 V
• Order Number: 1335.6991.30
– Key Features
• Auto-detection via USB eliminates manual configuration
• Automatic data transfer to compatible VNAs
• Keystroke port assignment minimizes operator interaction
• Multiport calibration capability
• No warm-up time required
• 50 Ohm reference impedance for standard RF measurements
– Typical Applications
The ZN-Z52 provides reference calibration for component characterization, amplifier testing, filter validation, transmission-line analysis, and antenna measurements across microwave frequencies.
– Compatibility & Integration
Fully compatible with R&S ZVA/T, R&S ZNB/T, R&S ZNC, R&S ZND, and R&S ZNL vector network analyzers. USB control interface enables plug-and-play operation with supported instruments.

















