About Data Acquisition Modules & Accessories

DAQ systems up to 50 GHz for electrical, physical, mechanical, acoustic, and signal routing applications. Get the best value with high-quality Keysight DAQ systems.


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Keysight 34190A 2U Rackmount Kit

Compatible with 2U high, half-rack width Keysight products.

Keysight 34190A Rackmount Kit is designed for use with only one instrument, mounted on either the left or the right side of the rack.

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Keysight 34191A 2U Dual Rack Mount Flange Kit

Can be used with the 34194A Dual Lock Link Kit to mount two Keysight instruments side-by-side.

Keysight 34191A dual rack mount flange kit secures the instrument to the front of the rack cabinet.

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Keysight 34194A Dual Lock Link Kit

Can be used with the 34191A 2U dual flange kit to mount two half-width, 2U height instruments side-by-side.

Keysight 34194A dual lock link kit is recommended for sub-module vertical combinations, as well as side-by-side combinations.

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Keysight 34330A 30 Amp Current Shunt

Current Shunt for DMMs, 30 Amp

The Keysight 34330A current shunt is a precision 0.001 ohm resistor housed in a plastic case surrounded by epoxy. Output is 1 mV per A of current passing through the shunt. The current to be measured is connected to the shunt via binding posts.

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Keysight 34901A 20-Channel Multiplexer (2/4-Wire) Module for 34970A/34972A

20 Channel, 300 V Switching

The 34901A Data Acquisition/Switch Unit is the most versatile multiplexer for general purpose scanning.

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Keysight 34902A 16-Channel Multiplexer (2/4-Wire) Module for 34970A/34972A

16 Channel High-Speed Multiplexer Module

16-Channel Multiplexer (2/4-Wire) Module for 34970A/34972A

Find out more about Keysight 34902A 16-Channel Multiplexer (2/4-Wire) Module for 34970A/34972A
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Keysight 34903A 20-Channel Actuator/GP Switch Module for 34970A/34972A

Actuator/GP Switch Module for the 34970A, 20-Ch

Keysight 34903A is a general-purpose switch module for the 34970A and 34972A Data Acquisition/Switch Unit. It has 20 independent single-pole, double-throw (SPDT) relays and is used to cycle power to products under test, control indicator and status lights, and to actuate external power relays and solenoids. Combine it with matrix and multiplexer modules to build custom switch systems. Its 300 V, 1 A contacts can handle up to 50 W, enough for many power line switching applications.

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Keysight 34904A 4 x 8 Two-Wire Matrix Module for 34970A/34972A

4 x 8 Two-Wire Matrix Module

The Keysight 34904A module for the 34970A/34972A Data Acquisition/Switch Unit gives you the most flexible connection path between your device under test and your test equipment.

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Keysight 34905A 2 GHz Dual 1:4 RF Mux, 50 Ohm Module for 34970A/34972A

Dual 1:4 RF Mux, 50 Ohm Module

The Keysight 34905A RF multiplexer module for the 34970A/34972A Data Acquisition/Switch Unit offers broadband switching capabilities for high-frequency and pulsed signals.

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Keysight 34906A 2 GHz Dual 1:4 RF Mux, 75 Ohm Module for 34970A/34972A

Dual 1:4 RF Mux, 75 Ohm Module

The Keysight 34906A RF multiplexer module for the 34970A/34972A Data Acquisition/Switch Unit offers broadband switching capabilities for high-frequency and pulsed signals.

Find out more about Keysight 34906A 2 GHz Dual 1:4 RF Mux, 75 Ohm Module for 34970A/34972A
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Keysight 34907A Multifunction Module for 34970A/34972A

Multifunction Module for the 34970A

Keysight 34907A module for the 34970A and 34972A Data Acquisition/Switch Unit allows great flexibility for a variety of sense and control applications. It combines two 8-bit ports of digital input and output, a 100 kHz gated totalizer, and two ±12V analog outputs - all on a single earth-referenced module. The digital inputs and totalizer input may be included in a scan.

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Keysight 34908A 40 Channel Single-Ended Multiplexer Module for 34970A/34972A

Single-Ended Multiplexer Module for 34970A, 40-Ch

Use the Keysight 34908A module for the 34970A or 34972A Data Acquisition/Switch Unit for the greatest density in common-low applications, such as battery test, component characterization, and benchtop testing. Each module switches 40 one-wire inputs. All two-wire internal measurements except current are supported.

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Keysight 34921A 40-Channel Armature Multiplexer for 34980A

Armature Multiplexer Module 40-Channel for 34980A

The Keysight 34921A module for the 34980A Multifunction Switch/Measure Unit is the most versatile multiplexer for general purpose scanning. It has low thermal offset characteristics and a built-in thermocouple reference on the terminal block, making it ideal for temperature measurements directly to the internal DMM.

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Keysight 34921T Terminal Block for 34921A and L4421A Multiplexer

Terminal block with temp reference for 34921A and L4421A Multiplexer

The Keysight 34921T is a terminal block for the 34921A 40-channel multiplexer and the L4421A 40-Channel LXI armature multiplexer. It offers a built-in thermocouple reference junction that helps minimize errors due to thermal offset when you measure thermocouples. This terminal block is used for discrete wiring.

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Keysight 34922A 70-Channel Armature Multiplexer for 34980A

70-Channel Armature Multiplexer for 34980A

The Keysight 34922A module for the 34980A Multifunction Switch/Measure Unit offers high density multiplexer switching in a compact size. It combines dense, multi-function switching with 100 channel/second scan rates to address a broad spectrum of data acquisition applications.

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Keysight 34923A 40/80 Channel Reed Multiplexer for 34980A

Reed Multiplexer Module 40/80 - Channel for 34980A

The Keysight 34923A module for the 34980A Multifunction Switch/Measure Unit is a high speed-multiplexer for general purpose scanning. It uses reed relays to achieve scan rates up to 500 channels-per-second. Use this module for high-throughput automated test applications as well as high-speed data logging and monitoring tasks.

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Keysight 34924A 70-Channel Reed Multiplexer for 34980A

70-Channel Reed Multiplexer

High-density, high-speed multiplexer can switch up to 15 0V peak, .5 A with 500 channel/second scan rates to an internal DMM.

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Keysight 34925A 40/80 Channel Optically-Isolated FET Multiplexer for 34980A

40/80 Channel Optically-Isolated FET Multiplexer for 34980A

The Keysight 34925A module for the 34980A Multifunction Switch/Measure Unit is a high speed multiplexer that uses long-life, solid-state relays. The high-speed FET relays scan up to 1000 channels-per-second. Use this module for high-volume automated test applications that need high-speed, long-life relays.

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Keysight 34931A Dual 4x8 Armature Matrix for 34980A

Dual 4x8 Armature Matrix

Connect 64 2-wire cross-points in dual 4x8, 8x8, or 4x16 configurations.

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Keysight 34932A Dual 4x16 Armature Matrix for 34980A

Dual 4x16 Armature Matrix

Connect 128 2-wire cross-points in dual 4x16, 8x16, or 4x32 configurations.

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