The Rohde & Schwarz ZNH26 is a two-port handheld vector network analyzer delivering S-parameter measurements across 30 kHz to 26.5 GHz with 1 Hz frequency resolution. Built for field deployment, it performs one-port cable and antenna analysis, two-port vector network characterization, and supports multiple calibration methods including one-port (OSM) and two-port (TOSM, UOSM) techniques. A 7-inch capacitive touchscreen with gesture control and remote operation via PC, Android, and iOS applications enables intuitive measurement workflows. The instrument achieves up to 100 dB dynamic range, 0.0015 dB to 0.0040 dB trace noise magnitude, and 761 µs measurement speed.
Technical Specifications
• Frequency Range: 30 kHz to 26.5 GHz
• Frequency Resolution: 1 Hz
• Port Connectors: 3.5 mm male, 50 Ohms impedance
• Measurement Range: −120 dB to +30 dB
• Dynamic Range: Up to 100 dB (typical)
• Trace Noise Magnitude: 0.0015 dB to 0.0040 dB RMS (typical)
• Trace Noise Phase: 0.02° to 0.04° RMS (typical)
• Directivity: 41 dB to 48 dB
• Noise Floor: −125 dBm/Hz
• Output Power: −10 dBm to −5 dBm
• Maximum Input Level: +23 dBm
• Measurement Speed: 761 µs
• Analysis Bandwidth: 10 Hz to 100 kHz (1/3/10 steps)
• Display: 7-inch WVGA touchscreen (800 × 480 pixels)
• Dimensions: 202 × 294 × 76 mm
• Weight: 3.1 kg (with battery)
• Operating Temperature: 0 °C to 50 °C
• Housing Rating: IP51
• Battery Life: Up to 4 hours
– Key Features
• Two-port S-parameter measurement (S11, S12, S21, S22)
• One-port cable loss and distance-to-fault analysis
• Multiple calibration types: OSM, TOSM, UOSM, transmission (P1, P2, bidirectional)
• Built-in receiver attenuator (0 dB to 15 dB in 5 dB steps)
• DC bias voltage supply for active component testing
• Optional power measurement, pulse measurement, and vector voltmeter via software keycode
• SCPI, LAN, and USB interfaces with 10/100BASE-T connectivity
– Typical Applications
Field installation and maintenance of RF networks, component characterization during development and production, in-service troubleshooting of transmission lines and antennas.
– Compatibility & Integration
Data export to USB stick or micro SD card. Remote operation from PC, Android, or iOS devices. External power supply: 100–240 V AC, 50/60 Hz.
