2-wire
resistance measurement method.
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Product
Banana-Triax Adapter For 2‑Wire (Non-Kelvin) Connection
N1297A
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The N1297 Series is a collection of banana-triax adapters for the Keysight B2900 Series precision source measure unit (SMU). It consists of both 2-wire as well as 4-wire connection requirements.
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Product
PXI-2529, 128-Crosspoint, 2-Wire PXI Matrix Switch Module
778739-01
Matrix Switch Module
The PXI‑2529 is a high‐density PXI matrix switch module that you can configure as either a 4x32 or 8x16 2‑wire matrix by using different terminal block accessories. It uses electromechanical relays that offer excellent performance for high-power signals and low thermal offset for accurate measurements at low-voltage levels. The PXI‑2529 also features onboard relay counting for relay monitoring and deterministic operation with hardware triggers to improve test throughput.
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Product
VXI 16-Channel, 2-Wire LVDT/RVDT Simulation
65DL1
Simulator
NAI’s 65DL1 is a 16-channel, 2-wire, LVDT/RVDT Simulation Instrument on a VXI board. This single-slot, message-based board provides 16 independent, transformer-isolated, LVDT/RVDT, programmable 2-wire outputs (up to 34 V), wrap-around self-test, and an onboard programmable excitation supply.
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Product
SWB-2814, 8x9, 1 A, 2-Wire Reed Matrix Module for SwitchBlock
781421-14
Matrix Switch Module
8x9, 1 A, 2-Wire Reed Matrix Module for SwitchBlock - The SWB‑2814 is a reed relay matrix module for SwitchBlock systems. Designed for high power, it can operate as an individual relay card or expand in a single carrier or single PXI chassis. You can connect any input to any output, individually or in combination. You can use matrix switches to route signals from oscilloscopes, DMMs, arbitrary waveform generators, and power supplies to various test points on a unit under test (UUT). The primary benefit of matrix switches is simplified wiring—the overall test system can easily and dynamically change the internal connection path without any external manual intervention.
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Product
TB-2635, Screw Terminal, 8x16, 2-Wire PXI Module Matrix Terminal Block
778839-01
Terminal Block
Screw Terminal, 8x16, 2-Wire PXI Module Matrix Terminal Block - The TB-2635 provides the necessary routing to configure the PXI-2529 PXI Matrix Switch Module as a 2-wire 8×16 matrix. You can directly connect the TB-2635 to the front panel I/O connectors of the PXI-2529. The TB-2635 includes screw terminals that provide access to the rows and columns of the matrix.
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Product
PXI Matrix Switch: 4x32, 2-Wire, 100Vrms/2A, Armature Relays
M9120A
Matrix Switch Module
The M9120A high-density matrix offers higher voltage switching of multiple channels in a single instance. Any row can be connected to any column, making it ideal for routing instrument signals to the device under test. This 2-wire switch matrix provides the durable armature switches allowing multiple channels to be connected at one time, up to 60W per channel. The 4-wire wide bus can be used to route signals between test instruments and the device under test. Choose from the durable connector block or standard cable connections.
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Product
NI TB-2646B Terminal Block for NI 2532B as 1-Wire Quad 4x32 or 2-Wire Dual 4×32 Matrix Matrix Topology Without Column Protection Resistors
782385-13
Terminal Block
The TB-2646B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 2-wire dual 4x32 or 1-wire quad 4x32 matrix. You can directly connect the TB-2646B to the front panel I/O connectors of the PXI-2532B or PXIe-2532B. This terminal block includes ribbon cable headers to connect signals to the PXI Matrix Switch Module. The TB-2646B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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Product
PXI-2576, 64‐Channel, 2-Wire, Multibank PXI Multiplexer Switch Module
778572-76
Multiplexer Module
64‐Channel, 2-Wire, Multibank PXI Multiplexer Switch Module —The PXI‑2576 is a multibank PXI multiplexer switch module with 16 banks of 4x1 2‑wire multiplexers. With the flexible architecture of the PXI‐2576, you can configure it in a variety of topologies that make it suitable for parallel measurement operations requiring low‐channel counts, or you can combine all multiplexer banks to form a single high‐channel‐count multiplexer featuring 64 2‑wire channels. It also features onboard relay counting for relay monitoring and deterministic operation with hardware triggers to improve test throughput.
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Product
TB-2636, Screw Terminal, 4x32, 2-Wire PXI Module Matrix Terminal Block
196762-01
Terminal Block
The TB-2636 provides the necessary routing to configure the PXI-2529 PXI Matrix Switch Module as a 2-wire 4×32 matrix. You can directly connect the TB-2636 to the front panel I/O connectors of the PXI-2529. The TB-2636 includes screw terminals that provide access to the rows and columns of the matrix.
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Product
NI TB-2645B Terminal Block for NI 2532B as 1-Wire Dual 16x16 Matrix or 2-Wire 16×16 Matrix Topology Without Column Protection Resistors
782385-11
Terminal Block
The TB-2645B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 2-wire 16x16 or 1-wire dual 16x16 matrix. You can directly connect the TB-2645B to the front panel I/O connectors of the PXI-2532B or PXIe-2532B. This terminal block includes ribbon cable headers to connect signals to the PXI Matrix Switch Module. The TB-2645B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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Product
PXIe-2738 , 256-Crosspoint, 8x32, 2-Wire PXI Matrix Switch Module
782835-38
Matrix Switch Module
256-Crosspoint, 8x32, 2-Wire PXI Matrix Switch Module—The PXIe‑2738 is a high‐density 8x32 PXI matrix switch module designed for routing signals within automated test systems and using electromechanical relays to perform immediate switch operations. It also offers features to monitor the health of deployed systems and plan for predictive maintenance, including onboard relay count tracking, a temperature sensor, and functional and resistive relay self-tests available through the NI Switch Health Center.
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Product
PXIe-2529, 128-Crosspoint, 4x32 OR 8x16, 2-Wire PXI Matrix Switch Module
780587-29
Matrix Switch Module
128-Crosspoint, 2-Wire PXI Matrix Switch Module—The PXIe‑2529 is a high‐density PXI matrix switch module that you can configure as either a 4x32 or an 8x16 2‑wire matrix by using different terminal block accessories. It uses electromechanical relays that offer excellent performance for high-power signals and low thermal offset for accurate measurements at low-voltage levels. The PXIe‑2529 also features onboard relay counting for relay monitoring and deterministic operation with hardware triggers to improve test throughput.
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Product
NI TB-2643B Terminal Block for NI 2532B as 1-Wire Dual 4x64 Matrix or 2-Wire 4×64 Matrix topology With Column Protection Resistors
782385-08
Terminal Block
The TB-2643B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 2-wire 4x64 or 1-wire dual 4x64 matrix. You can directly connect the TB-2643B to the front panel I/O connectors of the PXI-2532B or PXIe-2532B. This terminal block includes ribbon cable headers to connect signals to the PXI Matrix Switch Module. The TB-2643B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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Product
PXIe-2737, 256-Crosspoint, 4x64, 2-Wire PXI Matrix Switch Module
782835-37
Matrix Switch Module
256-Crosspoint, 4x64, 2-Wire PXI Matrix Switch Module—The PXIe‑2737 is a high‐density 4x64 PXI matrix switch module designed for routing signals within automated test systems and using electromechanical relays to perform immediate switch operations. It also offers features to monitor the health of deployed systems and plan for predictive maintenance, including onboard relay count tracking, a temperature sensor, and functional and resistive relay self-tests available through the NI Switch Health Center.
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Product
Keysight Dual/Quad 4x8 Reed Matrix for 34980A
34933A
Matrix Switch Module
The Keysight 34933A module for the 34980A Multifunction Switch/Measure Unit gives you the most flexible connection path between your device under test and your test equipment, allowing different instruments to be connected to multiple points on your device under test at the same time. Dual 4x8, 8x8, or 4x16 2-wire configurations 64 2-wire or 128 1-wire cross-points High-speed reed relays Connections to the internal DMM Expandable via four 2-wire analog buses Relay counter ±150 V peak, .5 A switch, 1.5 A carry current
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Product
Gas Detectors
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International Gas Detectors Ltd
We offer a vast and versatile product range with detector heads for every possible environment. Pioneering the use of addressable gas detection systems IGD today offer the latest networked systems. Our latest addressable gas detection systems network using IGD’s Sentinel+ 2-Wire protocol for enhanced operation and security. IGD is the home of addressable gas detection but we still offer legacy analogue detectors used to interface to older systems.
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Product
NI TB-2643B Terminal Block for NI 2532B as 1-Wire Dual 4x64 Matrix or 2-Wire 4×64 Matrix Topology Without Column Protection Resistors
782385-07
Terminal Block
The TB-2643B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 2-wire 4x64 or 1-wire dual 4x64 matrix. You can directly connect the TB-2643B to the front panel I/O connectors of the PXI-2532B or PXIe-2532B. This terminal block includes ribbon cable headers to connect signals to the PXI Matrix Switch Module. The TB-2643B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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Product
Party Line Intercom Conversion
COMMS Series
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The stand-alone COMMS 300 and the OG-COMMS openGear® units provide a means to interface between two channels of 2-wire party-line intercom audio and two channels of 4-Wire analog line-level signals. The unit is capable of performing auto nulling for each channel with the push of a button. In addition, each of the 4-Wire input and output channel levels are monitored and displayed on easy to understand front panel VU meters.
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Product
RS232 / RS485 / RS422 Isolators/ Isolated Converters
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From 3-wire to 7-wire RS232 isolators, 2-wire RS485 to 4-wire RS422 / RS485 isolators, and USB isolators to USB / RS232 / RS485 / RS422 optically-isolated converters, CommFront has all the industrial-grade optical-isolation devices to protect your assets from the unexpected. If off-the-shelf product does not provide enough security for you, we can even tailor-make the devices, which are customizable right down to the nuts and bolts.
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Product
Interface Technology ProLine
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Knick Elektronische Messgeräte GmbH & Co. KG.
Isolation Amplifier for DC voltage and current measurement with galvanic isolation, active and passive standard signal isolation amplifier, supply isolation amplifier for supplying 2-wire sensors, transmitter for temperature and AC signals, isolating amplifiers for high voltages and shunt applications. T
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Product
External Temperature for 3-wire PT1000 Probe
TGP-4204
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PT1000 probes are available with this logger that will record down to -200C, making them suitable for cryogenic applications. The probes are of 3-wire construction and use class A elements, making them more accurate than their 2-wire predecessors.
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Product
REM-11115, 4-Channel, 2-Wire Analog Output Module for Remote I/O
784749-01
Analog Output Module
4-Channel, 2-Wire Analog Output Module for Remote I/O - The REM‑11115 is an analog output module for remote I/O. Remote I/O systems are low-cost, modular systems for simple machine control and measurements. A remote I/O system consists of an EtherCAT bus coupler and individual modules mounted on a DIN rail. You control the REM‑11115 from a real-time controller, such as a CompactRIO Controller or an Industrial Controller. You can use remote I/O hardware to add low-cost I/O for simple tasks while your controller handles advanced tasks such as image processing, motion control, and high-speed or specialty measurements. You can use the REM‑11115 for voltage or current output, and it features a 2‑wire spring terminal connection method. The REM‑11115 has selectable output ranges and short-circuit-proof output channels.
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Product
Toxic Gas Detector
SMC 4501-XX
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The SMC 4501-XX Detector monitors toxic gases such as Hydrogen Sulfide, Carbon Monoxide, Oxygen Deficiency, Chlorine Dioxide, and others. Utilizing 2-wire loop-powered technology, the 4501-XX requires less wiring, leading to better protection from wiring errors.
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Product
Proximity Sensors
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Cutler-Hammer® proximity sensors that deliver the results you're looking for. Choose from photoelectric sensors, 2-wire AC and 3-wire DC inductive sensors, sensors with LED indicators, and more.
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Product
Digital Power Recorder
MPR-601W-02
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*Applicable for single phase 2wires and single phase 3wires and 3phase 3wires system*Wide measuring range up to 0～500V/500A*Easy data logging by USB flash memory
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Product
TB-2676, Ribbon, 100 V, PXI Module Multiplexer Terminal Block
779535-01
Terminal Block
Ribbon, 100 V, PXI Module Multiplexer Terminal Block - The TB-2676 features ribbon cable headers that help you access all channels of the PXI-2576 Multiplexer Switch Module. You can use the TB-2676 to configure the 16 banks of 4x1 2-wire multiplexers included with the PXI-2576.
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Product
Switch Mainframe
SW1002
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Switch between voltmeter and battery tester while testing. 264 channels max. (2-wire) to 72 channels max. (4-terminal pair). Circuit design friendly for impedance measurements that minimize errors between channels (Effect: 0.01% f.s.*). For BT4560 100 mΩ range, R measurements, and a measurement frequency of 1 kHz. For OCV measurement, internal resistance measurement, and external potential measurement of battery cells. Measure battery modules up to 60 V DC.
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Product
PXI High-Density Matrix Switch: 4x64, 2-Wire, 100Vrms/0.5A, Reed Relays
M9121A
Matrix Switch Module
The M9121A is a 4x64 full crosspoint switch matrix offering high-density, high-speed signal switching in a single PXI module. The 2-wire matrix allows multiple channels to be connected in a single instance. Any row can be connected to any column, making it ideal for routing instrument signals to the device under test. This 2-wire switch matrix provides the high-speed, long-life reed relays to support signal switching up 100Vrms with 10W maximum power. The 4-wide bus is ideal to route signals between test instruments and the device under test. Choose from the durable connector block or standard cable connections.
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Product
Serial Interface Device
Serial Interface
The Serial Interface Device offers a number of options for connecting to serial hardware. You can choose from Ethernet, USB, PCI, PCIe, or ExpressCard interfaces to add up to 16 serial ports to your system. You can choose from common serial protocols, such as RS232, RS422, and RS485. The Serial Interface Device also offers various isolation, hyperthreading, and multiprocessor compatibility options. Some models also support 4- and 2-wire transceiver modes for full- and half-duplex communication. NI serial interfaces also appear as standard COM ports for compatibility with programs that use serial communications.
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Product
T100 Toxic Gas Transmitter
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The T100 is a 4-20mA 2-wire transmitter that can measure a wide range of gases. Housed in a rugged, compact metal enclosure, it is designed to be maintenance free and inherently stable.
