Agilent/Keysight 44708A

The Agilent/Keysight 44708A is a 20-channel data acquisition accessory module designed to expand the measurement capabilities of the HP 3852A system. It combines a component module with a dedicated terminal block to enable precise multichannel acquisition of voltage, resistance, thermocouple, and strain gauge signals across complex test environments.

Technical Specifications

• Physical Dimensions: 15 × 12 × 9 inches


• Weight: Approximately 2 lbs


• Channel Configuration: 20-channel terminal module


• Component Module: Shared design with HP 44705A

Key Features

• Multiplexes voltage, resistance, thermocouples, strain gages, and relay multiplexers


• Isothermal connector block is the reference junction for thermocouple measurements


• Thermistor on isothermal block measures reference temperature for automatic software compensation via the HP 3852A


• Temperature compensation integrated into system workflow to ensure thermocouple measurement accuracy


• Designed to reduce effects of real-world measurement errors in multichannel acquisition scenarios


• Optimized for both thermocouple temperature measurements and accurate strain gauge analysis

Typical Applications

• Precision multichannel data acquisition in laboratory and industrial test environments


• Thermocouple-based temperature monitoring with reference junction compensation


• Strain gauge measurement and analysis in structural testing


• Applications requiring mitigation of systematic measurement errors across multiple channels

Compatibility & Integration The 44708A is engineered for primary use with the HP 3852A data acquisition system. Its component module topology aligns with the HP 44705A, enabling consistent integration within compatible Agilent/Keysight measurement platforms.