Agilent / Keysight 85052C Precision Mechanical Calibration Kit, DC to 26.5 GHz, 3.5 mm

The Keysight 85052C is a precision mechanical calibration kit engineered for accurate characterization of network analyzers and RF equipment with 3.5 mm connectors. Operating across DC to 26.5 GHz, this kit delivers the systematic error correction required for demanding high-frequency measurements. It supports multiple calibration methodologies including Thru-Reflect-Line (TRL) and Short/Short/Open/Load/Thru (SSOLT) techniques, enabling full two-port calibration across its entire frequency range.

The kit contains precision 50 Ohm mechanical standards: dual airline segments optimized for 2–7 GHz and 7–32 GHz operation, male and female open and short circuits, load standards, gender-changing adapters, and torque wrenches for repeatable connection integrity. Return loss exceeds 42 dB across DC to 26.5 GHz while insertion loss remains at or below 0.05 dB. Residual voltage is held to 1 mV maximum, ensuring minimal measurement error.

Power handling capability reaches 1 Watt.

Technical Specifications

• Model: Agilent/Keysight 85052C


• Frequency Range: DC to 26.5 GHz


• Connector Type: 3.5 mm (male and female)


• Impedance: 50 Ohms


• Return Loss: ≥ 42 dB (DC to 26.5 GHz)


• Insertion Loss: ≤ 0.05 dB (DC to 26.5 GHz)


• Residual Voltage: ≤ 1 mV (DC to 26.5 GHz)


• Maximum Power Handling: 1 Watt


• Operating Temperature Range: –40°C to +85°C


• Dimensions: 80.01 mm × 80.01 mm × 34.29 mm


• Weight: 0.34 kg

Key Features

• Dual-range precision airline (2–7 GHz and 7–32 GHz segments)


• Complete open, short, and load standards for male and female ports


• Included torque wrenches for controlled mating force


• Gender-changing adapters for versatile port configuration


• Commercial calibration certificate provided


• Standard definitions supplied on disk for analyzer software integration

Typical Applications

• Network analyzer calibration and verification


• RF/microwave component characterization


• High-frequency measurement system error correction

Compatibility & Integration Designed for Keysight network analyzers and third-party RF equipment featuring 3.5 mm connectors. The 3.5 mm interface is standard for applications extending to 32 GHz.