Agilent/Keysight 746A – Step Attenuator

The Agilent/Keysight 746A is a precision AC calibrator engineered to verify the accuracy of AC voltmeters and other AC measurement devices. It generates stable and accurate AC voltage outputs across multiple frequencies, establishing the performance baseline for connected test equipment. The instrument is the primary standard for validating AC measurement integrity in laboratory and production calibration workflows.

Technical Specifications

• Device Type: Precision AC Calibrator


• Primary Function: AC voltmeter accuracy verification and performance validation


• Output Characteristic: Stable and accurate AC voltage outputs


• Frequency Support: Multiple frequency points


• Output Interface: Standard connectors for AC voltage output

Key Features

• Generates calibrated AC voltage signals across a defined frequency range


• Delivers stable output suitable for metrological applications


• Benchtop form factor for laboratory integration


• Direct output connectivity via standard AC voltage connectors

Typical Applications

• AC voltmeter calibration and verification


• AC measurement device performance validation


• Production line acceptance testing of AC instruments


• Laboratory standards and reference measurements

Compatibility & Integration The 746A pairs with any AC voltmeter or general-purpose AC measurement instrument requiring external calibration. Standard output connectors enable direct signal coupling to test equipment under calibration. The benchtop design accommodates typical laboratory rack and bench mounting configurations.