4-wire
resistance measurement using an ohmmeter's two each, force and sense leads.
See Also: Resistance
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Product
Transceiver
TCVR Series
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*4-wire SPI (3.3 V Logic) digital interface *-45 C° to +85 C° *4 W linear power T*ransceiver pair support dual polarization *Low EVM% *Outdoor unit IP68 compliant *Compliant to RTCA-DO-160G *Concept/Eval Unit Tested to 1024-QAM
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Product
Contact Resistance Meter
PCRM200S
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The Motwane Manufacturing Company
The Motwane make Contact Resistance Meter (Model:PCRM200S) is a digital micro-ohmmeter, specially designed to measure extremely low resistance in micro ohm. The Instrument is based on Kelvin 4-wire connection method for measurement of low resistance.The Current injection is fixed at 100A & 200A. Test information like current injected with measured resistance & voltage drop is displayed with real time data on large LCD with backlit.This User friendly Instrument and it's accessories are housed in easy transportation case. Advanced Windows based software isprovided for data downloading, analysis and report generation. Internal memory of 199 records is provided for onsite data storage withDate & Time stamping & Recalling facility. Thermal printer is the additional feature provided to print the test results.
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Product
4-Wire Resistance Measurement | Continuity & HiPot Cable & Wire Harness Testers
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An add-on option for the CableEye HVX high voltage cable tester series that permits expanded testing for contact and wire resistance as low as 1 mΩ. After checking for opens, shorts, miswires, and resistance limits, the 4-wire Kelvin measurement applies a user-selectable test current from 10 mA to 1 A to determine connection resistance within 1 mΩ. The resistance profile of a model cable may be stored and used as a basis of comparison during later testing to reveal cold solder joints, faulty crimps, recessed pins, pin contact contamination, improper wire gauge, and stress-extruded wire.This option may be purchased with any new HVX tester, or added as an upgrade to any of your existing HVX testers.
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Product
Temperature Probe for Outdoor
TP32MT…
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Series of Pt100 1/3 DIN 4-wire or T-type thermocouple temperature probes for outdoor/environmental measurements.
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Product
PXI/PXIe LVDT/RVDT Simulator Module, 2-Banks
43-670-103-AABBCC
Simulator
The 41/43-670-103 is ideal for the simulation of variable differential transformers (VDT), both linear (LVDT) and rotary (RVDT) types. It has two banks, each capable of simulating the output of a single 5 or 6-wire VDT or resolver, or dual 4-wire utilizing a shared excitation signal.
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Product
Ground Resistance Tester
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Weshine Electric Manufacturing Co., Ltd
1.Soil resistivity tester supports 2, 3 and 4wire grounding resistance measurement. 2. 4digit large LCD display with white screen backlight, suitable for use in dimly lit places. 3. IP65 protection grade, good waterproof, compact and portable, supports multiple functional tests.
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Product
PXI/PXIe LVDT/RVDT/Resolver Simulator Module, 4-Banks
41-670-001-AABBCC
Simulator
The 41/43-670-001 is ideal for the simulation of variable differential transformers (VDT), both linear (LVDT) and rotary (RVDT) types, as well as resolvers. It has four banks, each capable of simulating the output of a single 5 or 6-wire VDT or resolver, or dual 4-wire utilizing a shared excitation signal. This allows the module to simulate up to 4 channels of 5 or 6-wire or 8 channels of 4-wire.
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Product
REM-11152, 16-Channel (Input), 24 V, 2-, 3-, 4-Wire Digital Module for Remote I/O
784743-01
Digital Module
The REM‑11152 is a digital input 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‑11152 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‑11152 features 2‑, 3‑, and 4‑wire spring terminal connection methods, a built-in power supply for sensors, and an adjustable filter time to improve measurement quality. You can use inputs as counters or standard digital inputs.
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Product
RTD Measurement for PCI
PCI390
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The PCI390 features six 2-, 3-, or 4-wire high-accuracy RTD measurement channels. Each channel has programmable alarm limits on which an interrupt can be issued. The local DSP (TMS320C203) performs linearization, auto-calibration and alarm-limit checking. Sensor-data is available in °C, °F, K and Ohms. All inputs are optically isolated from the system.
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Product
PXI Digital Multimeter, 6 digit, High Performance
M9182A
Digital Multimeter
The Keysight M9182A is a 6digit PXI digital multimeter that measures common parameters such as DCV, DCI, ACV, ACI, 2- and 4-wire resistance, frequency, capacitance, and temperature. It offers 40 ppm basic DCV measurement accuracy, excellent noise rejection, and handles inputs of up to 300 V. The M9182A offers advanced triggering capabilities, including pre and post triggering.
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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
PXI Dual 12x8 Matrix, 2 Pole Switching
40-522-022
Matrix Switch Module
Medium density PXI dual 12x8, 2-pole matrix - it is also available in reed relay formats of 2-pole and 1-pole screened (see "also in this range" on right). The screened version is suitable for switching signals up to 50MHz. Typical applications include signal routing in ATE and data acquisition systems. The two banks may be used for operating a 4-wire measurement system (bank-1 for source, bank-2 for measure). Larger matrices may be constructed by daisy chaining the common signals from multiple PXI Modules.
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Product
4 Wire Earth Resistance Testers
2734 ER
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Standard Electric Works Co., Ltd
● Microprocessor-controlled with advanced safety features.● 4-wire testing only.● Automatic C spike check.● Auto power-off.● Auto data hold.● Large LCD (2000 counts).● Protective terminal cover.
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Product
I-V Measurement Systems
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The I-V Curve Data Acquisition includes a fixture for holding cells for testing (see Figure 1 below). This fixture can accommodate cells from small to up to 100 mm x 100 mm. Adjustable cell stops, in the X & Y-axis, are provided to consistently locate the cells for testing. Two micro-manipulators are provided as shown in Figure 1. Each micro-manipulator has two spring loaded contacts to allow 4-wire measurement even for cells that have top contacts only. Two back-side voltage contacts are embedded in the Plate (galvanically isolated from the Plate) and make good electrical contact when the cell is held down by vacuum to the plate. All voltage and current probes are gold-plated. The cell is held down with vacuum during testing (built-in vacuum pump).
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Product
Universal Transmitter
Model LXT-380
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Teledyne Analytical Instruments
The Model LXT380 transmitter is a single or dual channel, intelligent, multi-parameter designed for the online continuous measurement of pH, ORP, Specific Ion (pION), dissolved oxygen, free chlorine, total chlorine, conductivity and resistivity. The Model LXT380 Tramsitter digitally communicates with the SP3X digital sensor, automatically configuring the trasmitter's menues and display screens to the measured parameter. The LXT380 tramsitter can be Loop powered or 4-wired DC powered. The standard configuration has a 4-20 mA and a serial communication port with MODBUS RTU output. Alarm relays option is only available on 4-wired DC powered transmitters. LXT380 Transmitter loop is available in FM, ATEX and IECEx certifications.
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Product
Screw Terminal, PXI Module Multiplexer Terminal Block
TB-2627
Terminal Block
The TB-2627 provides the necessary routing to configure the PXI-2527 or PXIe-2527 PXI Multiplexer Switch Modules as a single or dual 1-, 2, or 4-wire multiplexer. You can directly connect the TB-2627 to the front panel I/O connectors of the PXI-2527 or PXIe-2527.
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Product
Banana-Triax Adapter For 4‑Wire (Kelvin) Connection
N1297B
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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
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
SparkFun Triple Axis Accelerometer Breakout
ADXL345
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This new version adds two standoff holes as well as an extra decoupling capacitor. The ADXL345 is a small, thin, low power, 3-axis MEMS accelerometer with high resolution (13-bit) measurement at up to +-16 g. Digital output data is formatted as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface.
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Product
Power Analyzers
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National Meter Industries Inc.
is a panel mounted multimeter that records energy values. Compact and intuitive, with 4-quadrant measurement (Consumption and Generation). Is suitable for Low Voltage installations, in both 3 and 4-wire three-phase circuits,two-phase circuits with or without neutral, single-phase circuits or ARON connections.
