4-wire
resistance measurement using an ohmmeter's two each, force and sense leads.
See Also: Resistance
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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
Cable and Harness Tester
CHT
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The Cable and Harness Tester (CHT) provides multiple testing capabilities for up to 300 connector/harness test points. Test capabilities include DC Insulation Resistance (IR), DC and AC Dielectric Withstanding Voltage (DWV), and 2-Wire and 4-Wire Continuity.
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Product
MAX31856 Thermocouple Sensor Arduino Shield
SEN-30007-J
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Quad channel thermocouple Arduino shield based on the MAX31856 universal digital thermocouple interface IC. This is an exciting update of the MAX31855, with improvements in resolution (19 vs 14 bits), on-board temperature reference (6 vs 4 bits), and compensation (fully compensated vs nonlinear correction required). The MAX31856 is interfaced via 4-wire SPI with options for interrupt triggering. An LDO and a high-speed level shifter are included on ALL device pins to allow interfacing with to any Arduino - both 3.3V and 5.0V variants - without sacrificing device performance in any operating condition.
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Product
PXI Digital Multimeter
Digital Multimeter
PXI Digital Multimeters, or DMMs, feature AC/DC voltage, AC/DC current, 2- or 4-wire resistance, and frequency/period measurements, as well as diode tests. You can also choose a PXI DMM with an isolated, high-voltage digitizer that can acquire waveforms at sample rates up to 1.8 MS/s at full input range, up to 3 A or 1,000 V. Additionally, you can choose a PXI DMM that can perform basic inductance and capacitance measurements.
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Product
PXI Temperature Input Module
Module
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
MAX31856 Thermocouple Sensor Arduino Shield
SEN-30007-T
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Quad channel thermocouple Arduino shield based on the MAX31856 universal digital thermocouple interface IC. This is an exciting update of the MAX31855, with improvements in resolution (19 vs 14 bits), on-board temperature reference (6 vs 4 bits), and compensation (fully compensated vs nonlinear correction required). The MAX31856 is interfaced via 4-wire SPI with options for interrupt triggering. An LDO and a high-speed level shifter are included on ALL device pins to allow interfacing with to any Arduino - both 3.3V and 5.0V variants - without sacrificing device performance in any operating condition.
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Product
Wound Component EST Analyzer
19036
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Chroma Systems Solutions, Inc.
The industry’s first Wound Component Electrical Safety Test (EST) Analyzer that combines impulse winding, AC/DC hipot, insulation resistance and DC resistance test measurement functions. Chroma’s 19036 Wound Component EST Analyzer has 5kVac/ 6kVdc high voltage output, 5kV insulation resistance, 6kV layer short impulse voltage and 4-wire DC resistance measurement with a maximum output of up to 40 channels. Capable of outputting and measuring AC100mA/DC 20mA, Chroma’s 19036 is suitable for testing to high power motor standards such as UL 1004-1.
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Product
Soil and Air Temperature Probe
TP32MTT.03.B
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Temperature probe with two 4-wire Pt100 1/3 DIN sensors for measuring the soil and air temperature (± 50 mm).
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Product
PXI/PXIe LVDT/RVDT Simulator Module, 4-Banks
41-670-101-AABBCC
Simulator
The 41/43-670-101 is ideal for the simulation of variable differential transformers (VDT), both linear (LVDT) and rotary (RVDT) types. 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
Water Conductivity Transmitters
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ABB conductivity analyzers are designed to meet the most exacting requirements of our valued customers. The extensive range covers 2 and 4-wire analyzers and single or dual-input devices.
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Product
Kelvin Clip Set
11062A
Accessory Kit
Create custom Kelvin probes for 4-wire resistance measurements; set contains only the two gold-plated clips
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Product
6.5 Digit PXI Digital Multimeters
M918xA Series
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ompact digital multimeters (DMM) provide popular measurement functions such as DCV, ACV, DCI, ACI, 2- and 4-wire resistance, and more, with the accuracy and stability you would expect from a 6.5-digit PXI DMM. High performance in a small, rugged package gives you an ideal deployment platform for many automated test systems.
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Product
Power Quality Analyzers
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3-Phase 4-Wire Power Quality Analyzer Compliant to IEC61000-4-30 Class A Standards with Dynamic 1300V Range, Harmonic and Inter-harmonics Analysis Capabilities
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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
Pico-ITX
RSB-3810
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*MediaTek Genio 1200 4 cores A78 & 4 cores A55*Onboard LPDDR4 8GB, 4000MT/s memory*HDMI 4k60fps, 1 x Dual Channel 24 bit LVDS*1 x 4-wire RS-232/422/485, 2 x USB3.2 Gen1 By 1, 2 x USB2.0, 1 x Micro SD, 1 x Mic. in / Line out*1 x M.2 3052 Key B for 5G, 1 x M.2 2230 Key E Slot for WiFi/BT*Support I/O Expansions by UIO40-Express I/O boards*Support Ubuntu, Ycoto Linux and Android
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Product
Transformer Winding Resistance Meter
XWRM-10
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The Motwane Manufacturing Company
The Motwane make XWRM-10 is a dual channel 10A rated, Transformer Winding Resistance Meter designed and developed aftere xtensive research on challenges and requirements of testing of various Transformer winding resistance. The instrument has One Current channel and two Resistance Channels. The instrument provides a large open circuit voltage of 42Volts, for fast charging of the highly inductive windings of transformers, to provide stable resistance values in minimum time. The XWRM-10 is intended to replace complex bridge set up with a single compact instrumentThe XWRM-10 is based on 4-wire measurement methodto measure low resistance accurately. The instrument iswell protected against inductive kickbacks offered by theinductive windings and gives stable reading on varioustypes of transformers.
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Product
Digital Micro Ohm Meters
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Is used to measure DC low resistance through 4-wire method. Its features are: Comparison function to determine if the device is in good condition, unkown wire length calculation (FT/M); two-way data transmission by USB interface.
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Product
PXI Dual 12x8 Matrix, 1 Pole Switching
40-522-021
Matrix Switch Module
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
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.
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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
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
Value-added Module With 4 Terminal Block 4-wire Isolated RS-232/422/485
VAM100
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*4 4-wire Isolated RS-232/422/485*Swappable modular design*Maximize I/O flexibility*2kV isolated protection*Designed for tBOX300/500 series*LVD, FCC, EN 50155 and IEC 60945 certified; CE compliant
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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
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
RTD Measurement for CompactPCI
CPCI390
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The CPCI390 has a 3U form factor and 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. Sensordata is available in °C, °F, K and Ohm. All inputs are optically isolated from the system.
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Product
Voltage Input Module For Remote I/O
Module
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
Ground Testing
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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
Contact Probe for Solar Panels
TP878.1SS.O
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Contact temperature probe for solar panel. 1/3 DIN 4-wire Pt100 sensor.
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Product
RS232 / RS485 / RS422 / Ethernet Surge Protectors
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Our passive, rugged, industrial-grade RS232 / RS485 / RS422 / Ethernet surge protectors are designed for direct industrial DIN-rail mounting and they come with two (2) or three (3) stages of surge protection — Gas Discharge Tube (GDT), protection resistors, and Transient Voltage Suppressor (TVS) - for maximum protection. From 2-wire RS485, 4-wire RS422 / RS485, to 10 / 100 / 1000M Ethernet, CommFront's surge protectors safeguard your data lines and provide you with a peace of mind.
