Agilent/Keysight 85058B

The Agilent/Keysight 85058B is a standard mechanical calibration kit engineered for precision network analyzer calibration up to 67 GHz. It delivers characterized calibration standards with data-based modeling for superior accuracy, supporting full two-port SOLT and TRM calibration methods. The kit includes twelve standards (Opens, Shorts, and Broadband loads in male and female configurations), torque wrenches, connector gauges, and adapters for gender conversion - everything required for traceable RF measurements at 1.85 mm connectors.

Technical Specifications

• Frequency Range: DC to 67 GHz


• Connector Type: 1.85 mm (male and female); compatible with 2.4 mm connectors


• Impedance: 50 ohms


• Calibration Standards: Twelve characterized standards for full two-port calibration


• Return Loss: Greater than 30 dB up to 67 GHz (typical)


• Phase Accuracy: ±2 degrees typical at 67 GHz


• Power Rating: Up to 1 watt average; 5 watts peak


• Operating Temperature: 0°C to +55°C


• Storage Temperature: -40°C to +75°C


• Connector Durability: Over 500 connections


• Weight: Approximately 0.5 kg


• Case Dimensions: Approximately 200 mm (W) × 150 mm (D) × 50 mm (H)

Key Features

• Data-based calibration standard model for higher accuracy than polynomial descriptions


• Compatible with SmartCal (Guided) Calibration methodology


• Supports both SOLT and TRM calibration methods


• Minimal insertion loss suitable for precision broadband calibration


• Included torque wrenches ensure proper connector interface maintenance


• Connector gauges verify and sustain 1.85 mm interface integrity


• Portable storage case with integrated accessories

Typical Applications

• Network analyzer calibration to 67 GHz


• S-parameter measurements on high-frequency components


• Two-port RF calibration workflows


• Components utilizing 1.85 mm connector interfaces

Compatibility & Integration Designed for Keysight network analyzers and compatible RF test instruments operating to 67 GHz. The 1.85 mm connector standard mates with 2.4 mm connectors, extending integration flexibility. Standards definitions are supplied on disk with comprehensive User's and Service Guide documentation.