2-wire
resistance measurement method.
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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
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
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.
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Product
NI TB-2641B Terminal Block for NI 2532B as 1-Wire 8x64 Matrix Topology Without Column Protection Resistors
782385-03
Terminal Block
The TB-2641B provides the necessary routing to configure the PXI-2532B or PXIe-2532B PXI Matrix Switch Module as a 2-wire 4x128 matrix. You can directly connect the TB-2641B 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-2641B also provides optional isolation resistors to protect the reed relays from capacitive loads.
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Product
ANSI X3.28 to Modbus RTU Converter
Model 2399
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* Converts ANSI X3.28 commandslinto Modbus RTU packets.* New 32 Address Mode supports multi-channel Modbus Controllers like the Watlow MLS300.* Control Modbus RTU devices from any ASCII serial source.* Serial ports support RS-232 and 2-wire/4-wire RS-485 signals.* Includes serial baud rate conversion.* Internal logic is IEEE-488.2 compatible and uses SCPI commands for configurtion setup.* 2399 mounts on a DIN rail or on any flat panel.* Inexpensive way to maintain manufacturing equipment such as semiconductor fusion chambers, etc as the ANSI Controllers become obsolete.* Application Note AB23-3 describes how to use the 2399 to replace obsolete Watlow Controllers in the Axcelis/Fusion Gemini Asher.* 2399 Serial Keyboard Program lets you control and setup the 2399 and test the ANSI modes.* 239x Table Loader Program uploads ANSI Command Table entries from an Excel csv file.
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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
20 Channel Multiplexer (2/4-wire) Module for DAQ970A and DAQ973A
DAQM901A
Multiplexer Module
20 Channel Multiplexer (2/4-wire) Module. High voltage switching capability of up to 300 V and built-in thermocouple reference junction.
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Product
Analog Output Module For Remote I/O
Analog Output Module
The Analog Output Module for Remote I/O features a 2-wire spring terminal connection, selectable output ranges (0 V to 10 V, ±10 V, 0 V to 5 V, ±5 V, 0 mA to 20 mA, 4 mA to 20 mA, and ±20 mA) output ranges, and short circuit proof outputs. A remote I/O system consists of an EtherCAT bus coupler and individual modules mounted on a DIN rail. You control the Analog Output Module for Remote I/O 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.
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Product
IEC60695-11-2 Single Wire And Cable Vertical Burning Tester
CX-D12
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Shenzhen Chuangxin Instruments Co., Ltd.
It’s strictly designed according to IEC60695-11-2, IEC60332-1, GB/T18380.11-2008, GB/T18380.12-2008 etc. Stainless steel screen with a sliding burner handle support for approaching or movingback the flame from the sample under test according to the CEI standards for test on cables.
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Product
Weather Resistant Surge Protector for RS485 Control & 12VDC Power Lines
SP-RS485-12V-O
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Ideal for applications such as video surveillance cameras and access control. Protects sensors running on 22 AWG 2-wire sensor cables or 12VDC power lines against the effects of electrostatic discharge, faulty wiring and lightning. RS485 protection: Stage 1 clamping voltage: ±90V; Stage 2 resistance: 3.3 Ohms; Stage 3 clamping voltage: ±7.5V. 12VDC power lines protection: Stage 1 clamping voltage: ±90V; Stage 2 current rating: 3A; Stage 3: 12V TVS (transient voltage suppression) diode. Screw terminal pairs for RS485 and 12VDC power lines protection. Will also protect two single ended data, analog or control lines. Impact and weather resistant enclosure with locking hinged cover.
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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
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.
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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
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
PXIe-2525, 64‐Channel, 2 A, Multibank, 2‐Wire PXI Multiplexer Switch Module
780587-25
Multiplexer Module
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
Radar Level Transmitter
DR7500
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Drexelbrook DR7500 is a 2-wire 80 GHz radar (FMCW) level transmitter for demanding liquid applications involving narrow tanks with long nozzles and internal obstructions like agitators or heating coils.
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Product
Signal Conditioners
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Process transmitters isolate, filter amplify, and convert sensor signals to 4-20mA current or 0-10V voltage signals for interfacing with controllers and other instrumentation. Select from 2-wire loop-powered 4-20mA transmitters, 3-wire DC-powered transmitters, or 4-wire AC/DC-powered transmitters. 3-wire and 4-wire models are available as 4-20mA transmitters or voltage transmitters. DIN-rail and field-mount version are available. Configuration is easy with Windows software, push-buttons, switches, or pots for span/zero settings depending on the series.
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Product
Keysight Dual 4x8 Armature Matrix for 34980A
34931A
Matrix Switch Module
The Keysight 34931A 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 configurations 64 2-wire cross-points Connections to the internal DMM Expandable via four 2-wire analog buses Relay counter Latching armature relays 300 V, 1 A switch; 2 A carry current
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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
LVDT Signal Conditioner
NTC-6000
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Quick and easy setup with front panel push buttons and LED indicatorsSelectable excitation frequency, analog outputs and bandwidthAutomatic excitation synchronization for multiple unit systemsSelf-diagnostics for LVDT failure, disconnect, or short circuitDigital communications via RS-485 2-wire multi-drop busHot swapability — setup can be saved and reloaded via RS-485 portCybersecurity lockout and tamper detectWorks with nearly any AC LVDT, RVDT, or LVRT half bridge
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Product
PXIe-2527, 32‐Channel, 300 V, 2‐Wire PXI Multiplexer Switch Module
780587-27
Multiplexer Module
32‐Channel, 300 V, 2‐Wire PXI Multiplexer Switch Module—The PXIe‑2527 is a high‐voltage PXI multiplexer switch module that is ideal for medium‑ to high‑density automated test applications. Featuring high-power electromechanical relays, the PXIe‑2527 is the perfect front end for the PXI DMM modules, offering simple channel expansion for a variety of measurements. The PXIe‑2527 supports multiple channel configurations including 64x1 1‑wire, 32x1 2‑wire, and 16x1 4‑wire. It also features onboard relay counting for relay monitoring and deterministic operation with hardware triggers to improve test throughput.
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Product
LVDT/RVDT Simulation Board
75DL1
Simulator
The 75DL1 is a cPCI LVDT/RVDT Simulation Board that provides eight 2-wire or four 4-wire transformer isolated programmable outputs. It provides wrap-around self-test, PXI compatibility, optional Excitation Supply, and is available for Military or Commercial applications.
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Product
16-Channel Multiplexer (2 / 4-Wire) Module for DAQ970A and DAQ973A
DAQM902A
Multiplexer Module
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-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
PXI Serial Interface Module
Serial Interface
The PXI Serial Interface Module offers a number of options for connecting to serial hardware. You can choose from common serial protocols, such as RS232, RS422, and RS485. The PXI Serial Interface Module also offers various isolation, hyperthreading, and multiprocessor compatibility options as well as 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
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
REM-11175, 16-Channel (Output), 24 V, 2-, 3-Wire Digital Module for Remote I/O
784745-01
Digital Module
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
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
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
2Wire Temp Transmitter
TS
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● Accuracy: RTD: 0.5%, T/C: 0.75%● Wide selection of input● Low output ripple● High stability & low cost
