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Keysight Technologies 44708A FOR RENT

20-Channel Relax Multiplexer with Thermocouple Compensation

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Order #: 44708A-RENT2

Mfg Part #: 44708A

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Overview :

Keysight 44708A Highlights

The Keysight 44708A is an analog signal multiplexer used to switch (multiplex) signals from up to 20 inputs for measurement by Keysight 3852A voltmeter accessories or by external voltmeters. This accessory provides switching capability for up to 20 inputs at scanning speeds up to 450 channels/second using Keysight 3852A voltmeters. The accessory can switch signals up to 120 V dc or 120 V ac rms (170 V peak).

The Keysight 44708A consists of a component module and a 20-channel terminal module. The Keysight 44708A uses the same component module as the Keysight 44705A. A special isothermal connector block on the terminal module provides the reference junction for thermocouple measurements. A thermistor mounted on the isothermal connector block is used to measure the isothermal block reference temperature. The Keysight 3852A uses software compensation to automatically compensate for the reference temperature when making thermocouple measurements.

Field wiring from user sources (such as voltage sources) is connected to the terminal module and signals are sent to the switches on the component module. Each channel on the Keysight 44708A can be independently configured to allow multiple functions to be measured using the same accessory.

  • For the 3852A Mainframe. Directly multiplexes voltage, resistance, thermocouples, and strain gages, Thermocouples can be mixed types