Modules - Power Supplies - Multimeters - Source Measure

National Instruments PXI Products

The National Instruments PXI Products encompass a variety of different types of products, including: PXI Chassis, PXI Multifunction I/O Modules, PXI Multiplexer Switch Modules, PXI Digital Multimeters, PXI Digital I/O, PXI Controllers, PXI Interface Modules, PXI Analyzers, PXI Relay Modules, and more. Several PXI Chassis, such as the PXI-1031, have been declared mature by NI. PXI Chassis have the capacity to hold anywhere from 4 to 18 modules and have either an AC or DC power supply. PXI Multifunction I/O Modules, such as the PXI-6025E and PXI-6052E, are considered obsolete. These modules have 12 or 16-bit resolution and as many as 64 analog inputs. PXI Multiplexer Switch Modules are 1-wire, 2-wire, or 4-wire.These modules have FET, reed, or electromechanical relays. PXI Digital Multimeters, also referred to as DMMs, have sample rates as quick as 1.8 MS/s and varying digits of resolution. The PXI-4070, PXI-4071, and PXI-4072 are currently in the maintenance stage of the product life cycle as determined by NI. In addition, there are many PXI Controllers now considered obsolete, such as the PXI-8108 and PXI-8176. read more...

PXI Controllers come equipped with a hard drive, CPU, RAM, and peripheral I/O and are a high- performance solution for many types of systems. There are also PXI Interface Modules, such as the PXI-8331. PXI Interface Modules are designed for standard serial protocols, including RS232, RS422, and RS485. Several of the PXI Serial Interface Modules are in the mature stage of the product life cycle; these include the PXI-8430/2, PXI-8431/2, and others. Any PXI products considered mature, discontinued, or obsolete by NI are still available for purchase at Apex Waves.

NI-407x Series

The National Instruments NI-407x Digital Multimeters each have 6.5 digits or 7.5 digits of resolution. The NI-407x Series of Digital Multimeters have 1.8 MS/s waveform acquisition, supports NI-DMM/Switch Express VI, and should be calibrated every two years. These DMMs have been moved to the maintenance stage of the product life cycle, but are still available for purchase at Apex Waves.

MXI-Express x8 Series

The National Instruments MXI-Express x8 Series of Remote Control Modules and Bus Extension Modules enables users to control PXI and CompactPCI systems from a PC with a transparent MXI-Express link. The maximum throughput of the MXI-Express x8 devices is 3.2 GB/s. The MXI-Express x8 devices each have one port and either fiber-optic or copper cable support.

PXI Data Storage Modules

The National Instruments PXI Data Storage Modules offer in-chassis data storage for PXI systems requiring high-speed read and write features. The PXI Data Storage Modules are available with varying module widths, drives, throughput, and storage capacity. These modules are well-suited for applications that require recording high-speed information, supplementing the PXI system controller’s storage capacity, or effortlessly transporting information between several test setups.

MXI-Express x4 Series

The National Instruments MXI-Express x4 Series allows users to control a PXI Express system from a x4 or higher PCI Express slot. With this series, the highest sustained throughput available is 832 MB/s with the PXIe-PCIe8372. The MXI- Express x4 models have either 1 or 2 cabled PCI Express links, an x4 lane width, and can be used with cables to 7 meters.

MXI-Express x16 Series

The National Instruments MXI-Express x16 Series modules can control PXI Express or CompactPCI Express chassis from a PC or a PXI Express or CompactPCI Express chassis. These modules can be used with a maximum cable length of 3 m. The MXI-Express x16 Series each have one or two ports.

PXI Power Supplies

The National Instruments PXI Power Supplies provide programmable DC power for applications such as manufacturing test, design confirmation, and characterization. The PXI Power Supplies have two or three channels, and either 1 A, 3 A, or 6 A maximum current. Some of these Power Supplies have auxiliary power.

MXI-3 Series

The National Instruments MXI-3 consists of Interface Boards and Modules which have compatibility for either copper or fiber-optic cabling and 200 m maximum cabling distance. MXI-3 functions as a PCI-to-PCI bridge to complete high performance, as well as hardware and software transparency. The MXI-3 Remote Controllers have a peak rate of 132 Mbytes/s.

SC Express Series

The National Instruments SC Express Series of PXI Express data acquisition modules have integrated signal conditioning for measuring high-voltage analog input signals, strain gages, thermocouples, and more. The SC Express Series modules have 8 to 32 channels and varying sample rates and accuracy values. These NI modules additionally have advanced timing and synchronization capabilities.

PXI Digital Instruments

The PXI Digital Instruments by National Instruments can perform characterization and production tests for semiconductor devices with timing sets, as well as per channel pin parametric measurement unit. NI PXI Digital Instruments can create and obtain high-speed digital waveforms for sending information, assessing digital interfaces, or communicating with devices under test. The PXI Digital Instruments can be used with Digital Pattern Editor software.

Serial Interface Devices

The Serial Interface Devices by National Instruments allow users to communicate with and control external serial hardware by utilizing asynchronous serial interfaces with numerous protocols. These devices can add as many as 16 serial ports to a system. Standard serial protocols are supported by these devices, including RS232, RS485, or RS422.


The National Instruments FlexRIO products are a combination of massive, user- programmable FPGAs and high-performance RF, analog, and digital I/O. These instruments were created for scientists and engineers requiring the versatility of customized hardware without the usual cost. FlexRIO instruments can be programmed graphically with VHDL/Verilog or LabVIEW.

MXI-2 Series

The National Instruments MXI-2 Series is the second generation of the NI MXIbus models, with more signals than the first generation. The MXI-2 Series modules also have a higher data throughput with a maximum of 33 MB/s between two MXI-2 products. The MXI-2 interface kits connect a PCI-based computer or a PXI/CompactPCI Chassis to the VXIbus or VMEbus with the MXI-2 bus.

PXI Transfer Switch Modules

The National Instruments PXI Transfer Switch Modules have the capability to switch loads between two sources at frequencies to 40 GHz maximum. The NI PXI Transfer Switch Modules provide quick insertion times and minimal insertion loss to switch loads at RF frequencies. These modules have electromechanical relays, a PXI Hybrid bus connector, and varying scan rates and bandwidths.

PXI Resistor Modules

The PXI Resistor Modules by NI are ideal for simulating environmental settings in hardware-in-the-loop confirmation. These modules copy the behavior of resistance-based instruments by controlling a series of relays that alters resistance across every I/O connector channel. The PXI Resistor Modules have 5-18 channels and a 37-pin D-SUB connector on the front panel.

PXI Carrier Modules

The National Instruments PXI Carrier Modules can be utilized to result in enormous matrices with over 8,000 crosspoints in one PXI Chassis. These modules have the capacity to hold as many as six matrix modules for SwitchBlock. The SwitchBlock systems usually have a single A-type module and several B-type modules.

PXI Analog Input Modules

The National Instruments PXI Analog Input Modules deliver analog input signals for PXI systems and come with several ADCS. These modules also have built-in signal conditioning, sample rates from 5 kS/s per channel to 2 MS/s per channel, and 28 bits of resolution maximum. The NI PXI Analog Input Modules are well- suited for scalable measurement systems with a low or high number of channels.

PXI Digital Multimeters

The PXI Digital Multimeters or DMMs by National Instruments can complete temperature, frequency/period, capacitance, current, inductance, voltage, resistance, and diode tests, in PXI systems. There are certain DMMs with an isolated, high-voltage digitizer that can obtain waveforms at sample rates of 1.8 MS/s maximum. The NI PXI Digital Multimeters have 6.5 or 7.5 digits of resolution and -300 V to 300 V or -1000 V to 1000 V DC voltage range.

PXI Source Measure Units

The National Instruments PXI Source Measure Units or SMUs offer accurate current or voltage sourcing and measurement features for PXI systems. The NI SMUs are created to decrease test time and improve versatility. The SMUs have 1-24 channels and most do not include auxiliary power. Some of the SMUs have the SourceAdapt feature, which can alter the transient behavior of the SMU, decrease settling time, and reduce overshoot.

PXI Analyzers

The National Instruments PXI Analyzers can complete vector signal analysis and/or spectrum analysis. The PXI Analyzers are suitable for many applications, including: RADAR test, wireless test, signal intelligence, microwave test, spectral monitoring, and more. Some models also have a LabVIEW-programmable FPGA that can be customized for advanced measurement applications.

PXI Amplifiers

The National Instruments PXI Amplifiers amplify tiny signals so they can be assessed and processed by other input modules in a PXI system. The PXI Amplifiers come with various types of amplification and signal conditioning. There are NI PXI Amplifiers with low-distortion and low-noise analog output, numerous input channels and integrated grounding, and other features.

PXI Attenuators

The National Instruments PXI Attenuators have the capability to attenuate RF signals to enhance the power preciseness of RF Signal Generators in low power ranges. The PXI Attenuators have two channels of programmable attenuation. The PXI-5695 PXI Attenuator has a frequency range from 50 MHz to 8 GHz.

PXI Signal Generator Modules

The National Instruments PXI Signal Generator Modules create ongoing wave signals or regular standard modulation formats, including pulse, AM, PM, and FM. The PXI Signal Generators provide the features of RF Signal Generators to the flexible, small PXI form factor. The NI PXI Signal Generators can be used to design automated test systems when combined with other PXI modular devices.

NI-656x Series

The National Instruments NI-656x Series of Digital Waveform Generators can be utilized as a pattern generator, stimulus-response tester, PC/peripheral device interface, or pattern analyzer. These Digital Waveform Generators have 16 channels and can create and obtain information at 200 Mb/s or 400 Mb/s. The NI- 656x Series also has the capability to utilize NI-TClk to synchronize several instruments.

GPIB Instrument Control Modules

The National Instruments GPIB Instrument Control Modules integrate non-PXI devices into a PXI system via the GPIB standard. The PXI GPIB Instrument Control Modules have IEEE 488 controllers for PXI systems. The user can select an option that supports Gigabit Ethernet transfer rates.

PXI-CAN Interface Series

The PXI-CAN Interface Modules by National Instruments allows a PXI Chassis to link to and communicate on a Controller Area Network (CAN) bus. The PXI CAN Interface Modules communicate with onboard transceivers for Single Wire CAN, Low-Speed/Fault Tolerant, and/or High-Speed/Flexible Data-Rate. With the NI- XNET driver for these modules, the user can create applications that necessitate high-speed, real-time manipulation of numerous CAN signals and frames.

E Series

The National Instruments E Series of Multifunction DAQ Devices are equipped with 16-64 channels, 12 or 16-bit resolution, and sample rates to 1.25 MS/s maximum. The NI E Series devices utilize the National Instruments DAQ system timing controller, otherwise referred to as DAQ-STC for functions relevant to time. This series consists of both PCI and PXI boards.

DIO Series

The National Instruments Digital I/O or DIO Devices deliver digital output and input functions for computer-based systems. The DIO Devices come with varying specifications for current, voltage, and channel count, ensuring the user will be able to find the greatest model for their requirements. The NI DIO Devices additionally have programmable input filters, programmable power-up states, digital I/O watchdogs, and other useful features.

Analog Output Devices

The National Instruments Analog Output Devices can replace many different parts in a system due to their wide range of features. The devices can replace PID controllers, function generators, and low-speed arbitrary waveform generators. These devices offer a range of channel counts, output resolutions, and features. The NI Analog Output Devices allow the user to create applications like signal or sensor simulation, power supply control, and deterministic control.

M Series

The National Instruments M Series Multifunction Data Acquisition (DAQ) Devices come with as many as 80 analog input channels, four analog output channels maximum, as many as 48 lines of DIO, and two counters. There are several types of devices in the M Series: Bus-Powered Devices for USB, Industrial Devices, High-Accuracy Devices, Low-Cost Devices, and High-Speed Devices. All NI MI Series Devices can be utilized with NI-DAQmx 15.5 and later.

PXI Vector Signal Generators

The National Instruments PXI Vector Signal Generators have the capability to create arbitrary modulated signals from typical modulation schemes and standard- specific waveforms for cellular communications and wireless connectivity. The NI PXI Vector Signal Generators can also create communications standards formats including DVB-H, WCDMA, GPS, and others. These PXI Vector Signal Generators additionally have low phase noise and exceptional dynamic range.

PXI Chassis

The National Instruments PXI Chassis can hold PXI modules and link them with a high-performance backplane that provides synchronization and timing features. The NI PXI Chassis have compatibility with PXI hybrid, PXI Express, and PXI modules. The PXI Chassis feature AC or DC power options, with a combination of PXI and PXI Express module compatibility, and can hold as many as 18 modules.

Frame Grabbers

The National Instruments Frame Grabbers enable linking to multiple camera buses, such as Camera Link, IEEE 1394, USB3 Vision, and GigE Vision. The NI Frame Grabbers are best for scientific and machine vision applications which entail high- resolution and high-speed digital imagining. The Frame Grabbers have various features, such as pixel decimation, lookup tables, image scaling, and more.

PXI Vector Signal Transceivers

The National Instruments PXI Vector Signal Transceivers (VST) are a combination of a vector signal analyzer and a vector signal generator with FPGA- based, real-time control and signal processing. These models can be utilized to assess many wireless and cellular standards. Additionally, VSTs can be effortlessly expanded to support multiple input, multiple output configurations.

S Series

The National Instruments S Series devices are Simultaneous Sampling Multifunction DAQs. They are ideal for applications, such as ultrasonic, ballistic, and radar transient recording and analysis. These devices are created with an analog-to-digital converter, which makes them superior to other devices regarding throughput and channel preciseness. There are pre/post-analog and digital trigger options. The S Series devices have analog and digital I/O, as well as counters and timers.

DSA Devices

The National Instruments Dynamic Signal Acquisition (DSA) Devices deliver dynamic signal generation and acquisition in sound and vibration applications for PXI systems. These devices have features such as antialiasing filters, IEPE conditioning, and software-configurable AC/DC coupling. The DSA Devices are created especially for applications such as noise and vibration diagnostics, automotive test, audio test and measurement, and various others.

NI-660x Series

The National Instruments NI-660x Series of Counter/Timer Modules can complete counter timer functions like period measurement, encoder position measurement, frequency measurement in PXI systems, and more. The NI-660x Series of Counter/Timer Modules has eight maximum 32-bit counters/timers. There are options for high-speed simultaneous DMA transfers, onboard high-precision oscillators, filtering, and industrial voltage ranges with isolation as well.

R Series

The National Instruments R Series of Multifunction Reconfigurable I/O Devices have user-defined, onboard processing for versatility of system timing and triggering. The NI R Series Devices utilize an FPGA that is user-programmable, which allows all analog and digital I/O channels to be configured for application- specific operation. When R Series Devices are utilized with the LabVIEW FPGA Module, users can create applications such as high-speed control, hardware-in-the- loop assessment, sensor simulation, and custom protocol communication.

RT Series

The National Instruments RT Series consists of PXI Controllers and Multifunction I/O Boards, which can be used with LabVIEW RT for a simple to utilize system for real-time applications. The RT Series DAQ Devices contain a processor board and a daughter board. The PXI systems can also be controlled by a host PC to run real-time, embedded LabVIEW RT applications.

NI-73xx Series

The National Instruments NI-73xx Series of Stepper/Servo Motion Controllers offers completely programmable motion control for as many as four individual or coordinated axes of motion. There are dedicated motion I/O for limit and home switches and other I/O for standard functions. The NI-73xx Motion Control Modules are now considered obsolete.

PXI Controllers

The National Instruments PXI Controllers are a small, high-performance, embedded computer solution for PXI, PXI Express, and CompactPCI systems. The NI PXI Controllers offer up to 8 GB/s system throughput and 2 GB/s slot throughput maximum. The PXI Controllers have features such as a hard drive, RAM, an integrated CPU, Ethernet, video, serial, and various other types of peripheral I/O.

NI-654x Series

The National Instruments NI-654x Series of Digital Waveform Generators/Analyzers have 32 channels with direction control for each channel. The Digital Waveform Generators/Analyzers can be used with the NI-HSDIO driver. Several digital instruments can be synchronized to create low-skew multichannel systems for interfacing to high-pin-count digital ICs and electronic devices.

Timing and Synchronization Modules

The National Instruments Timing and Synchronization Modules allow a higher level of synchronization on the PXI platform with the use of high-precision triggering, high-stability clocks, and advanced signal routing. These modules can accomplish synchronization over a massive distance via IRIG-B, GPS, PPS, or IEEE 1588. The Timing and Synchronization Modules also have skew reduction with differential star and star lines.

PXI Waveform Generators

The National Instruments PXI Waveform Generators are able to produce exact sine, triangle, and square waveforms. The PXI Waveform Generators are ideal for many different forms of mixed signal tests, such as: Consumer Electronics, Aerospace/Defense, and Automotive Testing. These models create standard function or user-defined arbitrary waveforms as a part of the PXI system.

MXI-Express x1 Series

The National Instruments MXI-Express x1 is a cabled PCI Express x1 link, which allows for the control of devices installed in a VXI, CompactRIO, PXI, or PXI Express chassis. This is possible via laptops, workstations, desktop computers, or other types of host controllers with an ExpressCard, PCI, or PCI Express slot. The MXI-Express x1 devices have 1 or 2 ports and MXI-Express x1 copper cable support.

X Series

The X Series Devices are some of the most advanced Multifunction DAQ Devices created by National Instruments. This series has devices available with NI-STC3 timing and synchronization technology, low cost, high-speed, simultaneous sampling, and other features to meet different requirements for challenging, control, measurement, and test applications. The NI X Series Devices have as many as 48 digital I/O, 4 analog outputs maximum, and as many as 32 analog inputs.

MXI-4 Series

MXI-4 is a high-bandwidth link designed by National Instruments, which is transparent to drivers and software applications and offers the capability to utilize high-performance servers or desktop computers to control PXI systems. The MXI- 4 link comprises a PCI-8331 or PCI-8336 board in a PC, linked with a cable to a PXI-8331 or PXI-8336 module in slot 1 of a PXI Chassis. MXI-4 also has support for 5 V and 3.3 V PCI, which is an improvement upon MXI-3.

PXI Signal Insertion Modules

The PXI Signal Insertion Modules, otherwise referred to as Fault Insertion Units or FIUs by National Instruments, deliver a set of feedthrough channels which makes the switch transparent to the system when closed. The FIUs have electromechanical, reed, or FET relays and anywhere from 7 to 68 channels. The NI FIUs can be utilized for electronic reliability assessments or hardware-in-the- loop applications.

PXI Multiplexer Modules

The National Instruments PXI Multiplexer Switch Modules can link numerous inputs to one input or output, to make wiring in automated test systems easier. The NI PXI Multiplexer Switch Modules are well-suited for high-channel-count applications that require linking measurement or signal generation devices to a variety of test points on devices or units under test. These modules can be utilized with NI Switch Executive software to create, build, and deploy a switching system.

PXI Relay Modules

The National Instruments PXI Relay Modules can link or unlink independent relays to make wiring easier in automated test systems. The PXI Relay Modules have numerous individual relays, including double-pole double-throw (DPDT), single-pole single-throw (SPST), and single-pole double-throw (SPDT) relays. To program the relays, the user can utilize the NI-SWITCH driver software.

PXI Matrix Switch Modules

The PXI Matrix Switch Modules by National Instruments are arranged in rows and columns and offer the utmost versatility for switching systems by enabling the user to link any channel to any other channel. The NI PXI Matrix Switch Modules utilize several types of relays, such as solid-state, field-effect transistor (FET), reed, and electromechanical armature relays. The variety of relay types available, along with different row and column numbers, allows the user to choose a module perfect for their specific application.


The National Instruments Oscilloscopes are ideal for time- and frequency-domain applications, building spectrum analyzers, transient recorders, and phenomena detection systems with numerous channels. The NI Oscilloscopes are enhanced for different qualities: affordability, speed, resolution, density, and versatile resolution. These Oscilloscopes can be programmed with the NI-SCOPE instrument driver. The Oscilloscopes have different bandwidths, channel counts, and sample rates available, ensuring the user can find the appropriate oscilloscope for their application.