Line Replaceable Unit
unit of a complex engineered system, designed for quick replacement.
See Also: LRU
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Product
PXIe-4139 , ±60 V, ±3 A DC, ±10 A Pulsed, 40 W DC, 100 fA Precision System PXI Source Measure Unit
782856-03
Source Measure Unit
PXIe, ±60 V, ±3 A DC, ±10 A Pulsed, 40 W DC, 100 fA Precision System PXI Source Measure Unit - The PXIe-4139 is a high-precision, system source measure unit (SMU) that features 4-quadrant operation and sources up to 40 W of DC power. This module features analog-to-digital converters that help you perform high-precision measurements with a current resolution of 100 fA or high-speed acquisitions up to 1.8 MS/s. The module can maximize stability and measurement accuracy with SourceAdapt technology, which you can use to tune the transient response to match the characteristics of any load. You can use the PXIe-4139 for applications including manufacturing test, board-level test, and lab characterization with devices such as ICs, power management ICs (PMICs), and RFICs and discrete devices including LEDs and optical transceivers.
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Product
PXI Source And Measurement Unit Family
PXS840x
Source Measure Unit
The PXS(e)840x is a high precision, high speed source and measurement unit, which is designed for automated high throughput testing.
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Product
PXI 16-Channel 4-Bus 2A Fault Insertion Switch
40-197A-002
Fault Insertion Unit
This 16-channel fault insertion switch is primarily intended for routing simulated fault conditions in automotive and aerospace applications involving the reliability testing of safety critical controllers.
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Product
PXI-4132, 100 V, 2 W Precision PXI Source Measure Unit
780558-01
Source Measure Unit
±100 V, 10 pA Precision PXI Source Measure Unit—The PXI-4132 is a programmable, high-precision source measure unit (SMU). It has a single isolated SMU channel that offers a four-quadrant output that incorporates remote (4-wire) sense as well as external guarding. With its high measurement resolution integrated guarding, the PXI-4132 is ideal for high-accuracy leakage measurements on integrated circuits, discrete components, PCBs, and cables. You can also perform high-speed I-V measurements on a variety of components including diodes and organic LEDs using the onboard hardware sequencing engine. In addition, you can synchronize multiple PXI-4132 modules using the PXI backplane to provide high-speed I-V measurements on transistors and more complex devices.
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Product
PXI 5A Fault Insertion Switch 20-Chan 1-Bus
40-198-001
Fault Insertion Unit
The 40-198 is a 20 Channel Fault Insertion switch, primarily designed for the simulation of fault conditions in automotive/avionics applications involving the reliability testing of safety critical controllers.
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Product
4x 3U OpenVPX MOSA Remote Interface Unit
SIU34-RIUVARM-01
Remote Interface Unit
SIU34-RIUVARM-01 is a Modular Open Systems Approach (MOSA) Remote Interface Unit (RUI) to manage, monitor and control connected I/O, communications, measurement and simulation interfaces through Ethernet commands from a main mission processors. Extremely low power with 2 x 10/100/1000Base-T Ethernet.
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Product
Ethernet/AFDX/BroadR-Reach PXI Fault Insertion Switch - 4 Channel
40-201-004
Fault Insertion Unit
This high bandwidth differential fault insertion module is designed to simulate common faults on high speed two wire communication interfaces such as Ethernet. This module supports 4 or 8-channels of two wire serial connections and can be used for simulating faults on Ethernet, AFDX, BroadR-Reach, 100BaseT and 1000BaseT interfaces. Any wire can be set to an open circuit, shorts can be applied across the wire pair, or to the adjacent pair. Fault connections can be made to one of four external signals via two fault buses, typically simulating connections to a supply voltage or ground. Each fault bus is capable of carrying 2A allowing multiple channels to be connected to the same fault condition. Additionally, each fault bus features a changeover relay to allow the user to connect alternative fault conditions to the fault buses.
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Product
USB Source Measure Units
Source Measure Unit
The U272xA is a 3-channel USB SMU that can operate in a 4-quadrant operation. It can function as a standalone module or used as a modular device, allowing expansion and compact solution when used with the other modules in the USB Modular Instruments and DAQ family.
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Product
64-Ch 1-Bus Fault Insertion
YAV91082
Fault Insertion Unit
64 channels 1 thread 2A 250V 1 Fault Insertion Buses Switching up 60W CAN Control (or Ethernet with Ethernet to CAN Gateway) Drivers dll & VIs available
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Product
PXIe-4138, 60 V, 3 A System PXI Source Measure Unit
782856-01
Source Measure Unit
±60 V, 3 A System PXI Source Measure Unit—The PXIe‑4138 system source measure unit (SMU) delivers high power, precision, and speed. It is ideal for a broad range of applications including manufacturing test; board-level test; lab characterization with devices such as integrated circuits (ICs), power management integrated circuits (PMICs), and radio frequency integrated circuits (RFICs); and discrete devices including LEDs and optical transceivers. The PXIe‑4138 features 4-quadrant operation. The PXIe‑4138 is a hardware-timed instrument with a high-speed sequencing engine for synchronizing acquisitions between multiple SMUs. The module supports direct DMA streaming between the host PC and SMU, so you can stream large waveforms and measurement data at the full update rate and sample rate of the instrument.
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Product
PXI Dual Bus 64-Chan 2A Fault Insertion Switch, N/O Through Relays
40-190B-402
Fault Insertion Unit
The Dual Bus, 64 Channel PXI Fault Insertion switch is part of our family of 2 Amp fault insertion solutions, The range includes modules with 74, 64 or 32 channels and single or dual fault buses. This version has normally open through relays, so in the default state, there are no paths between inputs and outputs for any signal channel.
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Product
4x 3U OpenVPX MOSA Actuator Interface Unit
SIU34-AIUVARM-01
Actuator Interface Unit
SIU34-AIUVARM-01 is a Modular Open Systems Approach (MOSA) DO-178C & DO-254 Certifiable Actuator Interface Units (AIU) with low power high performance OpenVPX Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53, 8 GB DDR4 SDRAM, 32 GB SATA Flash, 2 x 10/100/1000Base-T Ethernet, USB 3.0, FIPS-140-3 Level 3 Cyber Security, and Single Event Upset support.
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Product
3 Function Slot MOSA Nano Data Concentrator Unit (DCU)
NIU3A-DCU-01
Data Concentrator Unit
NIU3A-RDC-01 is a Modular Open Systems Approach (MOSA) Data Concentrator with low power high performance ARM Cortex -A53 processing. 8 GB RAM, 32 GB SATA Flash, 2 x 10/100/1000Base-T Ethernet.
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Product
PXI Single Bus 74-Ch 2A Fault Insertion Switch, N/O Through Relays
40-190B-301
Fault Insertion Unit
The Single Bus, 74 Channel PXI Fault Insertion switch is part of our family of 2 Amp fault insertion solutions, The range includes modules with 74, 64 or 32 channels and single or dual fault buses. This version has normally open through relays, so in the default state, there are no paths between inputs and outputs for any signal channel. It is primarily designed for the simulation of fault conditions in automotive & avionics applications involving the reliability testing of safety critical controllers.
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Product
PXI 5A Fault Insertion Switch 10-Channel
40-196-001
Fault Insertion Unit
The 40-196 is a 10 Channel 5A Fault Insertion Switch, primarily designed for the simulation of fault conditions in automotive & avionics applications involving the reliability testing of safety critical controllers. It is designed to be able to insert different fault conditions between the test fixture and the equipment under test: Open-Circuit, Short-Circuit between signal pairs, Short-Circuit between signal pairs and user applied fault conditions e.g. Power or GND. Shorting relays on each channel enable UUT signals to be subjected to external user applied fault conditions or to be shorted to the adjacent signal in the same channel. Relays in line with the signal allow open circuit conditions to be simulated on either side or both sides of a channel signal pair. The switching topology of the 40-196 allows channels to be interconnected so that complex fault insertion systems can be constructed.
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Product
PXI/PXIe 1000Base-T1 Fault Insertion Switch, 3-Channel
40-203-001
Fault Insertion Unit
The 40-203-001 (PXI) and 42-203-001 (PXIe) are designed to simulate common faults on high-speed two wire communication interfaces such as 1000Base-T1. They support 3 channels of two wire serial interfaces. Each channel pair can simulate an open fault in either or both wires, and using the fault bus switches can simulate short between both wires or a short to one of two externally applied fault connections – such as battery supply or ground - via two fault buses.
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Product
72.5-Watt DC Power Line Conditioner w/Holdup
44KS3-02
Power Line Conditioner
NAI's 44KS3-02 is a 72.5-Watt Power Line Conditioner with holdup time that protects downstream DC/DC converters from transients, low voltage conditions, and power interruptions. This unit accepts +28 VDC input and provides a single output at 72.5 Watts either 22.5 to 30 VDC with holdup time or +16 VDC without holdup time - to all downstream DC/DC converters.
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Product
High-Speed Precision SMU (100 FA, 60 V, 15 MSa/s)
PZ2121A
Source Measure Unit
The Keysight PZ2121A is a high-speed precision source / measure unit (SMU) featuring best-in-industry narrow-pulse width, fast Digitizer Mode, and seamless current measurement ranging. It enables narrow-pulsed measurements and fast dynamic measurements with a wide dynamic range for a wide range of emerging applications such as vertical-cavity surface-emitting laser (VCSEL) optical devices, integrated circuit (IC) testing. In addition, its low measurement noise performance enables measurements with shorter aperture times, and its seamless current measurement ranging function enables a wide dynamic range and eliminates range change time, which improves test throughput.
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Product
500 Watt AC/DC Power Line Conditioner, 3U VPX, Holdup Time
VPX56-3HU
Power Line Conditioner
NAI's VPX56-3HU is a rugged, high-performance 500-Watt Output +28 VDC Input 3U VPX AC/DC Power Line Conditioner designed for aerospace, defense, and industrial markets. This off-the-shelf power supply plugs directly into a standard VPX conduction cooled chassis and protects downstream DC-DC converters from MIL-STD-704 transients, low-voltage conditions and power interruptions, providing up to 50 milliseconds of holdup time at up to 500-Watts. Continuous Background Built-In-Test (BIT) and I2C communication are included.
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Product
PXIe Precision Source/Measure Unit, 15 MSa/s, 100 FA, 60 V, 3.5 A DC/10.5 A Pulse
M9603A
Source Measure Unit
The Keysight M9603A is a PXIe precision SMU featuring best-in-their-class narrow pulse width as narrow as 10 μs. It enables dynamic/pulsed measurements with up to 15 MSa/s for broad emerging applications such as VCSEL optical devices.
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Product
PXIe-4144, 4-Channel, ±6 V, 500 mA PXI Source Measure Unit
782432-01
Source Measure Unit
PXIe, 4-Channel, ±6 V, 500 mA PXI Source Measure Unit - The PXIe-4144 is a 4-channel source measure unit (SMU) ideal for high-pin-count applications. It features 4-quadrant operation, and each channel has integrated remote (4-wire) sensing for accurate measurements. The fast sample rate of the PXIe-4144 can reduce measurement times, capture transient device characteristics, and allow quick I V characterization of devices under test (DUTs). With a high-speed sequencing engine, you can synchronize all these SMUs with each other or with other instruments such as switches or high-speed digital test modules.
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Product
USB Modular Source Measure Unit
U2722A
Source Measure Unit
The U2722A USB Modular Source Measure Unit is a 3-channel 20V/120mA that can operate in a 4-quadrant operation. The channels could be connected in series or in parallel to achieve up to 60 V/360 mA. It uses the common non-proprietary standard high-speed USB 2.0 interface that provides ease of connectivity allowing users to set up and configure their tests swiftly with its plug and play feature.
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Product
Source Measurement Unit
SMU4
Source Measure Unit
The SMU4 offers high voltage DPS in a compact, 3U PXI form factor. The SMU4 supports -20V to +20V 100mA with FVMI, FVMV, FIMV, FIMI modes.
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Product
CAN/FlexRay/Differential Bus PCI Fault Insertion Switch - 4 Channel
50-200-004
Fault Insertion Unit
This PCI Fault Insertion card is designed to simulate common faults on two wire communication interfaces such as CAN Bus. This card supports 4 or 8-channels of two wire serial interfaces. Each channel can simulate an open fault in either or both wires, a short between both wires or a short to one of eight externally applied fault connections, such as a battery connection or ground, via four fault buses.
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Product
4x 3U OpenVPX MOSA Data Concentrator Unit
SIU34-DCUVARM-01
Data Concentrator Unit
SIU34-DCUVARM-01 is a Modular Open Systems Approach (MOSA) DO-178C & DO-254 Certifiable Data Concentrator Unit (DCU) with low power high performance OpenVPX Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53, 8 GB DDR4 SDRAM, 32 GB SATA Flash, 2 x 10/100/1000Base-T Ethernet, USB 3.0, FIPS-140-3 Level 3 Cyber Security, and Single Event Upset support.
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Product
Dual Bus 36-Channel 2A PCI Fault Insertion Switch
50-190-202
Fault Insertion Unit
This PCI fault insertion switch range is available with 75, 64 or 36 channels. It is primarily designed for the simulation of fault conditions in automotive & avionics applications involving the reliability testing of safety critical controllers. The Stimulus/Measurement to UUT path is suitable for supporting CAN and FlexRay bus systems.
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Product
Line Protection
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Schweitzer Engineering Laboratories, Inc.
SEL transmission line protection relays provide subcycle line differential and multizone distance protection for a secure, reliable, and high-speed solution. Their fault-locating capabilities allow you to efficiently dispatch line crews to quickly isolate line problems and restore service faster.
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Product
PXI Based Multifunction Measurement and ICT Instrument
PXI-501
Multifunction Switch/Measure Unit
The PXI-501 is a multifunction measurement instrument for functional and in-circuit measurements.It combines two parametric measurement units with a digital voltmeter, a high voltage current source and a discharge unit. This powerful combination makes it the ideal instrument for classical analog in-circuit test and manufacturing defect analysis with additional functional test capabilities.With it’s fast sampling rate of up to 4MSps it speeds up measurements and is capable of measuring and generating AC signals up to 100kHz.To enhance the PXI-501 capabilities it can be combined with an ABex TM-501 or an ABex TM-404. The ABex TM-501 enhances the in and output range of the PXI-501. Furthermore, it provides a shunt current measurement upgrade. In combination with the ABex TM-404 it’s a complete in-circuit test solution with 86 channels in one ABex slot. For sure it can be upgraded to 2838 test points in one rack by simply adding additional matrix modules.With the above-mentioned terminal modules, the PXI-501 is able to act as a ABex system controller, so that no additional controller is required in the cassis.
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Product
Line Splitters
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Precision Mastech Enterprises Co.
Allow for safe, accurate current measurements using a clamp-on ammeter without damaging or stripping the appliance's power cord.





























