The Agilent/Keysight 85141B is a precision 2.4 mm coaxial open circuit that establishes known reflection planes in 50-ohm systems. This adapter provides accurate characterization of reflection phase and magnitude, making it essential for high-frequency calibration and microwave component testing. Its slotless design minimizes reflections and signal distortions to preserve measurement integrity.
Technical Specifications
• Product Type: Coaxial Open Circuit
• Connector: 2.4 mm female coaxial
• Impedance: 50 Ohms (nominal)
• Design: Slotless adapter geometry
– Key Features
• Establishes measurement planes with known reflection phase and magnitude characteristics
• Precision 2.4 mm female connector supports high-frequency connections
• Slotless construction reduces parasitic reflections and signal distortion
• Designed for 50-ohm coaxial systems
– Typical Applications
• Network analyzer calibration and verification
• Microwave component characterization
• Reflection-based measurements requiring stable, known reference planes
• High-frequency test procedures in coaxial systems
– Compatibility & Integration
The 85141B integrates into 50-ohm coaxial test systems equipped with 2.4 mm connectors. It is compatible with network analyzers and precision RF test equipment utilizing this connector standard. The adapter serves as a calibration standard for measurement procedures requiring accurate phase and magnitude reference data.


















