2-wire
resistance measurement method.
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Product
Keysight Dual/Quad 4x8 Reed Matrix for 34980A
34933A
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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
Isolated RS-485
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Analog Devices offers a wide range of standard RS-485/RS-422 transceivers and iCoupler® isolated RS-485/RS-422 transceivers to suit many applications. The RS-485 specification meets the requirements for a truly multipoint communications network, and the standard specifies up to 32 drivers and 32 receivers on a single (2-wire) bus. Some RS-485 transceivers modify the input impedance to allow up to 8× more nodes to be connected to the same bus.
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Product
PXIe-2525, 64‐Channel, 2 A, Multibank, 2‐Wire PXI Multiplexer Switch Module
780587-25
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64‐Channel, 2 A, Multibank, 2‐Wire PXI Multiplexer Switch Module —The PXIe‑2525 is a high‐density PXI multiplexer switch module that is ideal for routing signals within automated test systems. It uses electromechanical relays to perform immediate switch operations in one of the following 2‑wire multiplexer configurations: 16 bank 4x1, octal 8x1, quad 16x1, dual 32x1, and 64x1. The PXIe‑2525 also features onboard relay counting for relay monitoring.
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Product
Keysight Dual 4x16 Armature Matrix for 34980A
34932A
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The Keysight 34932A 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 4x16, 8x16, or 4x32 configurations 128 2-wire cross-points 300 V, 1 A switch; 2 A carry current Connections to the internal DMM Latching armature relays, with relay counter Expandable via four 2-wire analog buses
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Product
Modbus or Laurel ASCII ProtocolSerial Output DIN Rail Transmitters
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Laureate TM Series serial output transmitters can be jumpered for two signal levels: RS232 or RS485. Two serial protocols are selectable in software: Modbus or Laurel's Custom ASCII.Modbus protocol operation is fully compliant with the Modbus Over Serial Line Specification V1.0 (2002) for 2-wire, half-duplex connection.
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Product
PXIe-2738 , 256-Crosspoint, 8x32, 2-Wire PXI Matrix Switch Module
782835-38
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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
Inputs Temperature Data Logger – Pt100
HD32.7
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The instrument HD32.7 is a robust 8 inputs data logger for Pt100 sensor temperature probes. The probes can be Pt100 with SICRAM module, direct 4-wire Pt100 or direct 2-wire Pt1000.
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Product
Micro-Ohmmeter
3207
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The Ballantine 4 Digit Micro-ohm Meter 3207 measures Low Resistance in Milli and micro-ohms with precise accuracy. It employs the proven 4-wire measurement technique and eliminates the lead resistance inherent in 2-wire technique to give accurate readings.
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Product
20 Channel Multiplexer (2/4-wire) Module for 34970A/34972A
34901A
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The Keysight 34901A module for the 34970A/34972A Data Acquisition/Switch Unit is the most versatile multiplexer for general purpose scanning. It combines dense, multi-function switching with 60 channel/second scan rates to address a broad spectrum of data acquisition applications.
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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
Multi Function Coil Tester
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This device tests all ECU control, electronic control, or conventional distributor type ignition coils. The Tester comes with a range of connection cables with terminals to suit the majority of 2-wires, 3-wires, or 4-wires Ignition Coil of various car makes. The Ignition Coil Test is designed to detect the faults in the ignition system and whether there is any occurrence of misfire in a sluggish engine.
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Product
Industrial Grade PCI DIO 96 Board
MS 1817
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*96 digital input/output lines*Support s all PPI Modes (Mode0, Mode 1 and Mode 2)*5 V TTL/CMOS*Compatible with NI DIO Card*2-wire handshaking capability*Known power-up
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Product
Digital And Analog Call Simulation
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GL’s T1 E1/Analog Test Suite supports analysis and emulation of legacy protocols (MFCR2, E&M, SS1/SS4, SS5, Voice Call Signaling, 2-wire Call, SF Signaling (DTMF)) applicable to Federal Aviation Administration "FAA" within their National Airspace System "NAS" Ground-to-Ground Air Traffic Control Network and Voice System (NVS) to Analog Interphone.
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Product
NI TB-2644B Terminal Block for NI 2532B as 1-Wire Dual 8x32 Matrix or 2-Wire 8×32 Matrix Topology Without Column Protection Resistors
782385-09
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The TB-2644B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 2-wire 8x32 or 1-wire dual 8x32 matrix. You can directly connect the TB-2644B 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-2644B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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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
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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
REM-11175, 16-Channel (Output), 24 V, 2-, 3-Wire Digital Module for Remote I/O
784745-01
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The REM-11175 is a digital 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-11175 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. The REM-11175 features 2- and 3-wire spring terminal connection methods and circuit and overload protection.
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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
Temperature Sensors
TT420
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Features• 2-wire, loop-powered 4-20mA analog output• Attachment probe, sensor, and 2-wire 4-20 mA signal conditioner• Compatible with PLCs, meters, and data acquisition systems• No user calibration• TT420Z 1/4" stainless steel probe • TT420S 1/4-28 threaded stud – screws into any 1/4-28 tap• TT420F mounts onto any flat surface• UL listed, Intrinsically Safe (IS)• Class I, (C, D) and Class II, (E, F, G)
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Product
Switch Mainframe
SW1001
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Switch between voltmeter and battery tester while testing. 66 channels max. (2-wire) to 18 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
NI TB-2644B Terminal Block for NI 2532B as 1-Wire Dual 8x32 Matrix or 2-Wire 8×32 Matrix topology With Column Protection Resistors
782385-10
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The TB-2644B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 2-wire 8x32 or 1-wire dual 8x32 matrix. You can directly connect the TB-2644B 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-2644B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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Product
16-Channel Multiplexer (2 / 4-Wire) Module for DAQ970A and DAQ973A
DAQM902A
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DAQM902A 16 Channel Multiplexer (2/4-wire) Module. Reed relays with high voltage switching of up to 300 V and scan speed up to 250 ch/s.
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Product
PXI Switch - 24-CH 2-Wire Multiplexer Module
PXI-7921
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ADLINK PXI-7921 is a relay multiplexer which consists of 24 2-wire relays (DPDT, 2 Form C). As a multiplexer, the PXI-7921 provides 48x1 1-wire, 24x1 2-wire and 12x1 4-wire configurations. Users could choose one of the configurations by software. PXI-7921 typically connects one instrument, such as a DMM, a digitizer or a signal source, with many points which need measurement or excitation. The contact position of the relays can be changed either by direct software commands or by following the instructions previously stored in the on-board scan list. The scan list advances upon the trigger from external measurement devices, such as a DMM. The scan list could also advance when the scan-delay timer expires. In the PXI-7921, PXI trigger functions are supported and software programmable. Multiple modules can therefore be synchronized without additional field wiring.
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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
Modbus Register Converter
Model 2390
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* Converts Modbus Registers and variables for replacement Modbus devices.* Maintain existing software when upgrading Modbus systems.* Provides serial control of Modbus RTU devices from any ASCII source.* User defined Register Conversion Table supports all Modbus RTU devices.* Internal Register Conversion Tables for Watlow F4-to-EZ-ZONE and F4-to-F4T conversion.* Serial ports support RS-232 and 2-wire/4-wire RS-485 signals.* Includes baud rate conversion capability.* Uses SCPI commands to load the Conversion Table and set serial settings.* Small metal case mounts on a DIN rail or on any flat panel.* 239x Table Loader Program uploads the 2390 Register Conversion Table from an Excel csv file.* 239x Serial Keyboard Program provides instant control of the 2390 and Modbus Slave Devices without writing a program.
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Product
VXI 16-Channel, 2-Wire LVDT/RVDT Simulation
65DL1
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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
16 Channel Multiplexer (2/4-wire) Module for 34970A/34972A
34902A
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The Keysight 34902A module for the 34970A/34972A Data Acquisition/Switch Unit employs reed relays to achieve scan rates up to 250 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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Product
PXI High Density Multiplexer: 99-ch, 2-Wire, 100Vrms/1A, Armature Relays
M9103A
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The M9103A, a high-density, high-power 99-channel multiplexer routes many different channels to a single point. The switches operate in a break-before-make mode that ensures no two points are connected at the same time, or multiple channels can simultaneously connect if needed. This module is ideal for routing multiple analog signals to a measurement device in an automated test environment (ATE) or data acquisition systems. Each channel switch has a high and low for 2-wire switching. The high-quality armature relays are capable of switching up to 100Vrms, with up to 60W of power. Choose from the durable connector block or standard cable connections.
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Product
Ultra High Density Matrix Switch Card
1260-45
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The Astronics 1260-45 offers the highest-density switching matrices in a single-slot C-size VXI module, configurable as 11 different matrices from four 4x16 2-Wire to one 16x16 two-wire. Easily extend this module externally to build a larger matrix in a single VXI chassis to satisfy even the most dense applications.
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Product
Door Contact Sensor
ENVIROMUX-M-DCS
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Monitors access with a magnetic bridge sensor, which responds to any magnetic material (no special inserts necessary). Can also be used for monitoring side wall and covers. Includes mounting hardware. For normally closed circuit connection. 2-wire interface. Screw terminal. Maximum cable length: 1,000 ft. Wide actuating gap, approximately 1". Dimensions WxDxH (in): 0.5x0.5x2 (Switch), 0.5x0.5x2 (Magnet). Operating temperature: 32 to 158°F (0 to 70°C). Regulatory approvals: RoHS.
