4-wire
resistance measurement using an ohmmeter's two each, force and sense leads.
See Also: Resistance
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Product
PXI Dual 12x8 Matrix, 2 Pole Switching
40-522-022
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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
Hipot Testers
95X Series
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Vitrek built the 95X Series from the ground up with DSP technology – to bring you the safest, fastest, most capable, feature rich hipot testers available. The 95X Series combines high output power, with a wide range of AC & DC voltage outputs and extremely low leakage current measurement. Then we added a 4-wire milli-ohmmeter with dynamic range up to 100K ohms and an overlapping Tera-ohm class Insulation Resistance function. Top that off with an available 40 Amp Ground Bond capability and you’re just beginning to get a feel for what the Vitrek 95X Series Hipot Testers can do for you.
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Product
Fastest Flying Probe Test System for Semiconductor Substrate Interconnect Test
GATS-3200
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* Test individual packages or * Test Multi-image panels with Step&Repeat Function * single flying probe top using very high speed voice coil motor (VCM) technology * 50 - 100 tests per second ... high throughput * Dual Flying Probe Top for testing bump-to-bump nets * flying probe head allows testing of all nets including each power and ground point * 4-wire test capability
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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
PXI Temperature Input Module
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PXI Temperature Input Modules offer up to 32 channels of analog temperature measurements. Some models include autozero channels for offset compensation as well as open thermocouple detection to identify disconnected thermocouples, while others support 2-, 3-, or 4-wire resistance temperature detector (RTD) measurements. PXI Temperature Input Modules support both high-speed and high-resolution modes. You can program channel configurations and scale measured data into engineering units.
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Product
PXI/PXIe LVDT/RVDT/Resolver Simulator Module
41-670-XYZ-AABBCC
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The 41/43-670 range is ideal for the simulation of variable differential transformers (VDT), both linear (LVDT) and rotary (RVDT) types, as well as resolvers. Available with up to four banks, each bank is 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
D.C Milli-Ohm Meter with Advanced Features, 4-Wire, Handler/RS-232C/USB Device/GPIB
T3MIL50X
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D.C Milli-Ohm Meter with Advanced Features, 4-Wire, Handler/RS-232C/USB Device/GPIB.
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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
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
Digital Power Recorder
MPR-601W-01
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*Applicable for single phase 2wires and single phase 3wires and *3phase 3wires and 3phase 4wires system*Wide measuring range up to 0～500V/500A*Easy data logging by USB flash memory
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Product
Digital Milliohm Meter and Resistance Tester
4338 mO
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Standard Electric Works Co., Ltd
● Protection class: IP65 (Lid closed)● 4-Wire method for mΩ.● It's about 100mA at 1100.0mΩ range.● It's about 10mA at 11000mΩ range.● Measures down to 100µΩ (0.1mΩ).● Maximum resolution of 100µΩ.● Large LCD (68×34mm).● Relative mode. ● Data hold function.● MAX/MIN function.● Power source: 1.5V "C" battery × 8● Long battery life and stable power. ● Low battery indication.
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Product
PXIe-4144, 4-Channel, ±6 V, 500 mA PXI Source Measure Unit
782432-01
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PXIe, 4-Channel, ±6 V, 500 mA PXI Source Measure Unit - The PXIe-4144 is a 4-channel source measure unit (SMU) ideal for high-pin-count applications. It features 4-quadrant operation, and each channel has integrated remote (4-wire) sensing for accurate measurements. The fast sample rate of the PXIe-4144 can reduce measurement times, capture transient device characteristics, and allow quick I V characterization of devices under test (DUTs). With a high-speed sequencing engine, you can synchronize all these SMUs with each other or with other instruments such as switches or high-speed digital test modules.
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Product
REM-11152, 16-Channel (Input), 24 V, 2-, 3-, 4-Wire Digital Module for Remote I/O
784743-01
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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
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
Resistance Measuring Equipment
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measure coil winding resistance of motors, transformers, etc, under energizing AC voltage. The direct reading is possible with 4-wire measurement method, and temperature of specimens is immediately calculated from measured resistance values and displayed. Ambient temperature is automatically taken in by connecting an option sensor Model DAC-PT-100.
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Product
PXI Dual 12x8 Matrix, 1 Pole Switching
40-522-021
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Medium density PXI dual 12x8, 1-pole matrix - it is also available inreed relayformats of 2-pole and 1-pole screened (see "also in this range" on right). The screened version is suitable forswitching 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 commonsignals from multiple PXI Modules.
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Product
Voltage Input Module For Remote I/O
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The Voltage Input Module for Remote I/O features 2-, 3-, and 4-wire spring terminal connection methods, a built-in power supply for sensors, four selectable input ranges, and simultaneous sampling. A remote I/O system consists of an EtherCAT bus coupler and individual modules mounted on a DIN rail. You control the Voltage Input 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
Rugged Igniter Tester
4314 KV
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Model 4314 KV is a 4-wire ohmmeter designed to use low test currents for its measurement. Additional circuitry proprietary to Valhalla Scientific is used to ensure that test current levels do not exceed the specified “fail-safe current” even in a worst-case component failure situation.
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Product
Load Cell Amplifier Signal Conditioner with Removeable Terminals
MODEL LCA-RTC
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The LCA-RTC Module provide low-cost, dedicated signal conditioning for a single bridge type load cell or torque sensor. Model LCA-RTC comes with removable screw-clamp terminal connectors, which accept wires without soldering.On- board jumper selections include sensitivities from 0.5 mV/V to 10 mV/V, bandwidths from 100 Hz to 30 kHz, and amplified outputs of 0 to ±5V, 0 to ±10V, 0-16 mA, 0-20 mA or 4-20 mA. Zero and span adjustments are via precision 25-turn low-tempco metal film potentiometers.The units can be operated next to the sensor with 4-wire hookup or at distances up to 1 km (3300 feet) with 6-wire hookup. An onboard 87.325 kΩ resistor allows easy shunt calibration at the push of a button. Provision is also made for a user-furnished calibration resistor. Power requirements are 11.8 to 26V DC with load currents from 10 to 60 mA, the latter applying when the unit provides 10V DC excitation to a 350 ohm load cell and delivers a 20 mA analog output.
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Product
High Voltage, Continuity & Hipot, Cable & Wire Harness Test Systems
CableEye HVX, HVX-21
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Fast ● Simple ● Precise
Advanced wiring analyzer scans for continuity (opens, shorts), miswires, resistance, capacitance, components (resistors, diodes, LEDs, capacitors) dielectric breakdown, insulation resistance, intermittent connections
HVX (Item 829) 1500 Vdc, 1000 Vac
HVX-21 (Item 829A) 2100 Vdc, 1200 Vac
For diagnostic and Pass/Fail Testing — Permits expanded testing (compared to models in our low voltage product line) for insulation resistance (IRI) and dielectric breakdown (DWV).
All CableEye testers are suitable for production, fault diagnosis, QC (Quality Control), assembly, and prototyping of standard or custom cables. Each combines test, fault location, design, documentation, labeling, and database storage in one instrument. Tests can be performed on long cables (with or without connectors) or no cables (e.g. connectors, backplanes, PCBs, components).
Standard Features & Benefits:- USB certified, PC-based tester for a versatile, fast, robust system with long life-cycle.
- Multilingual, dynamic, graphic-rich display (netlist & wiring schematic) provides clarity and speeds diagnostics.
- 128 Test Points, expandable to 1024 providing flexibility as your product line changes.
- User-selectable voltage to each connection group in the cable simplifies an otherwise complex process, accelerating testing.
- Programmable Ramp Up, Ramp Down, Dwell Time (same as Test Time), Trip Current, and Trip Delay (same as Soak Time) adds versatility.
- Current leakage detected during HV test phase provides a measure of insulation resistance up to 1 GΩ (HVX) and 5 GΩ (HVX-21) - any leakage current exceeding a preset limit reveals the presence of moisture, flux, or other contamination on exposed contacts.
- Real-time screening for intermittent connections for pinpointing elusive faults and improving quality.
- Automation scripting in a simple, intuitive language allowing non-programmers to reduce operator error by automating repetitive steps.
- Pop-Up Work Instructions. choose the exact amount of detail, imagery, language and automation you need to ensure your work instructions and tests are carried out flawlessly.
- Flexible tolerancing: optionally define as percentages or absolute terms, as well as asymmetrically (e.g. +0%/-10%) for improved yields.
- Barcode-tracking & archival data-logging to achieve error-proof test process and improved traceability & productivity.
- Print PASS/FAIL labels, test reports (with or without color wiring schematics/netlists) and log reports to satisfy ISO9000 reporting requirements.
- Compatible with laptop and touchscreen PCs for fieldwork and rack/off-bench mounting.
Includes:
CB29 board set (Item 759) for bare wire connections; comprehensive PC software with Database of >200 standard cables; 2 yr Product Support Subscription comprising Warranty, free tech support, and free software upgrades.
Select Add-On Options:
Hardware: 128-point Expansion Modules (attach to base); 4-Wire Kelvin Resistance Measurement, 1 mΩ at 1 A; Advanced Measurements; External Measurement Instrument Port (e.g. 10 GΩ Isolation at 100 V); Remote Control Connector for Deadman Switch; Environmental Sensor
Software: PinMap™ fixture editor, Connector Designer™ connector editor, or Autobuild™ guided assembly modules
camiresearch.com |@CAMI_CableEye |+1.978.266.2655 -
Product
6.5" 640 X 480, VGA/DVI Interface, Ultra Slim Touch Open Frame Monitor
IDS-3106
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6.5" 640 x 480 VGA panel with LED backlight for 20% power saving and environmental protection, 0~50° C wide operating temperature support, 4-wires resistive touchscreen solution.
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Product
6.5" VGA Industrial Panel Mount Monitor
IDS-3206
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6.5" VGA LCD panel with LED backlight for 20% power saving and environmental protection. 0° C ~ +50° C range operating temperature, 4-wire resistive touchscreen solution or 3mm tempered smudge resistant protected glass. USB touch interface, Dual signal interface with VGA & DVI, Standard integrated frame.
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Product
PXI Digital Multimeter, 6 digit, Enhanced Performance
M9183A
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The Keysight M9183A is a 6 digit PXI digital multimeter that measures common parameters such as DCV, DCI, ACV, ACI, 2- and 4-wire resistance, frequency, capacitance, and temperature. It offers40 ppm basic DCV measurement accuracy, excellent noise rejection, and handles inputs of up to 300 V.
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Product
SparkFun TFT LCD Breakout
1.8" (128x160)
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The SparkFun TFT LCD Breakout is a versatile, colorful, and easy way to experiment with graphics or create a user interface for your project. With a 4-wire SPI interface and microSD card holder, you can use this breakout to easily add visual display/interface capabilities to a project as well as providing all the storage you might need for multimedia files.
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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
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
PXI/PXIe LVDT/RVDT/Resolver Simulator Module, 4-Banks
41-670-001-AABBCC
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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
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
PXI/PXIe LVDT/RVDT/High Speed Resolver Simulator Module, 4-Banks
43-670-301-AABBCC
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The 41-670-301 (PXI) and 43-670-301 (PXIe) are ideal for the simulation of variable differential transformers (VDT), both linear (LVDT) and rotary (RVDT) types, as well as resolvers with high speed simulation up to 130krpm rotation. They have 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
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.
