2-wire
resistance measurement method.
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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
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
Toxic Gas Sensor
Model 100
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Teledyne Gas & Flame Detection
Model DM-100 Series sensors feature intelligent electronics, non-intrusive operator interface and comprehensive fault diagnostics. The sensor is packaged in an electro-polished 316 stainless steel housing fitted with a ¾ inch NPT thread. The plug-in, field replaceable sensor cell features large surface area gold-plated pins that reduce the effects of corrosion in harsh industrial environments. Signal conditioning electronics are completely encapsulated in the sensor housing adding a high level of durability to the design. The packaging is XP-intrinsically safe. This innovative design marks a return to a simple, more affordable, and durable gas detection sensor without compromising quality.Model DM-100 sensors provide a 2-wire loop powered 4-20 mA current signal equivalent to the sensor range of detection. Upper enclosure options are aluminum and stainless steel. Additional accessories include wireless communications, a loop powered digital display. Each sensor is shipped with a splash guard with integral calibration port. Detcon’s toxic gas sensors have a long shelf life and are supported by an industry-leading warranty.
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Product
4 Wire Earth Resistance & Resistivity Tester
4235 ER
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Standard Electric Works Co., Ltd
● Microprocessor-controlled.● Earth resistivity (ρ) test.● Earth testing at 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 0-300V AC.● Automatic C spike check.● Automatic P spike check.● 2-Wire test, 3-Wire test, 4-Wire test.● LCM display.● Auto ranging.● Auto power OFF.● Data hold.● 200 measurement results can be saved in the memory and recalled on the display.● Interval between auxiliary earth spikes is 1.0~50.0m.
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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
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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
TB-2676, Ribbon, 100 V, PXI Module Multiplexer Terminal Block
779535-01
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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
Dining Isolation Amplifier
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Knick Elektronische Messgeräte GmbH & Co. KG.
To feed and Isolation of 2-wire transmitters / sensors or SMART transmitters with HART transmission. Working voltage up to 2500 V AC / DC. Available for hazardous and non-hazardous area.
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Product
PXI High-Density Matrix Switch: 4x64, 2-Wire, 100Vrms/0.5A, Reed Relays
M9121A
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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
4x8 2 Wire USB Modular Switch Matrix
U2751A
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The U2751A USB Modular Switch Matrix offers a flexible connection path between the device under test and the test equipment, thus allowing different instruments to be connected to multiple points on the device under test at the same time. This instrument is able to support measurements at a high bandwidth of up to 45MHz. It uses the common non-proprietary standard high-speed USB 2.0 interface that provides ease of connectivity
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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
Speed Sensor Intrinsically Safe
ST420
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Features• 2-wire, loop-powered 4-20 mA analog output• No user calibration – works right out of the box• Standard and custom measurement ranges available• Reverse-wiring protected• Works with Electro-Sensors magnetic pulser discs / wrapsRugged stainless steel M18x1 housing; UL listed, Intrinsically Safe (IS); Class I, Div I (C, D) Class II, Div I (E, F, G)
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Product
ARINC interface
RAR-EC
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Available in a range of configurations to match your needs, the 11 channel RAR-EC provides complete, integrated databus functionality for ARINC 429, ARINC 575 and selected 2-wire, 32-bit protocols, for an ExpressCard interface. The RAR-EC supports maximum data throughput on all channels while providing onboard message scheduling, label filtering, multiple buffering options, time-tagging, error detection and four avionics-level I/O discretes.
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Product
Serial Bus Buffers, Extenders, and Accelerators
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The Analog Devices family of I2C solutions support hot swappable, 2-wire bidirectional bus buffers to allow I/O card insertion into a live backplane without corruption of the data and clock busses. Additional supported 2-wire buses include SMBus, PMBus, the ATCA intelligent platform management bus (IPMB), and the HDMI DDC bus. I2C/SMBus Accelerators improve bus transitions to allows multiple device connections or a longer, more capacitive interconnect, without compromising slew rates or bus performance. ADI's software-programmable and pin-selectable I2C multiplexers help resolve I2C address limitations, increase fan-in or fan-out, and integrate bus buffers and rise time accelerators for an all-in-one solution. Resistor configurable I2C address translators can be configured with over 100 unique slave addresses to allow multiple slave devices with the same address to coexist on the same bus.
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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
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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
Analog Output Module For Remote I/O
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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
PXI High-Density Multiplexer: 64-ch, 2-Wire, 100Vrms/1A, Reed Relays
M9101A
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The M9101A, a high-density, 64-channel PXI 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, if needed multiple channels can connect simultaneously. Ideal for routing multiple analog signals to a measurement device in automated test environment (ATE) or data acquisition systems. Each channel switches a high and a low for 2-wire switching up to 100Vrms, with up to 10W of power. Connection options include the durable connector block or the standard cable connections.
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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
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
NI TB-2646B Terminal Block for NI 2532B as 1-Wire Quad 4x32 Matrix topology With Column Protection Resistors
782385-14
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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
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
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
Interface
RAR-cPCI
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Available in a range of configurations to match your needs, the RAR-cPCI provides complete, integrated databus functionality for ARINC 429, ARINC 575 and selected 2-wire, 32-bit protocols in a CompactPCI form factor.
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Product
- RS-232 to RS-485 2 Wire with LCD Display
Model 366
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FEATURES: DataSpy® Status Display; Implements Low Cost LAN; Supports 32 Users; Uses Single Twisted Pair; External DTE/DCE Switch; Programmable Contention; Selectable Termination. The Model 366 allows interfacing RS-232 based equipment with networks/equipment using RS-485.
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Product
LVDT/RVDT Simulation Board
75DL1
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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
Emergency/Panic Button
ENVIROMUX-EBS
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Sends activation signal when button is pressed. For normally closed or normally open circuit connections. 2-wire interface. Screw terminal. Maximum cable length: 1,000 ft (305 m). Dimensions WxDxH: 1.7x2.9x4.6 in (43x74x117 mm). Regulatory approvals: RoHS.
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Product
Serial Interface Device
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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
Temperature Sensors
TT420-LT
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Features• 2-wire, loop-powered 4-20 mA analog output• Attachment probe, sensor, and 2-wire 4-20 mA signal conditioner• Integral 1/2" flexible liquid-tight conduit fittings• TT420Z-LT 1/4” stainless steel probe with 1/8 NPT adapter• TT420S-LT 3/8-16 threaded stud probe • FM approved, Dust Ignition-proof• Class II and III, Div I (E, F, G); NEMA 4
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Product
PXIe-2529, 128-Crosspoint, 4x32 OR 8x16, 2-Wire PXI Matrix Switch Module
780587-29
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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
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
4 Wire Earth Resistance Testers
4234 ER
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Standard Electric Works Co., Ltd
● Microprocessor-controlled.● Earth testing at 2Ω, 20Ω, 200Ω, 2kΩ.● Earth voltage measuring : 0-300V AC.● Automatic C spike check.● Automatic P spike check.● 2-Wire test.● 3-Wire test.● 4-Wire test.● LCM display.● Auto ranging.● Auto power OFF.● Data hold.● Robust, compact and easy-to-carry.





























