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- CAMI Research Inc.
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4-Wire Resistance Measurement | Continuity & HiPot Cable & Wire Harness Testers
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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Kelvin Test Contactor
ecoAmp
ecoAmp™ Kelvin test contactor has a durable monolithic pin design with low and stable contact resistance. It is a high-power cantilever kelvin contactor with a patented spring and tip design for optimum heat dissipation. This ensures best reliability, long spring life and high yield even under highest current and temperature requirements. Featuring extended Automotive temperature range -60 ̊C to +175 ̊C, capable to stand thermal stress during high-power test. The contact motion is decoupled from the test board.
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Contact Probes
Rika Denshi Group Contact Probes - specialty probes including fine pitch testing, high frequency testing, high temperature testing, kelvin test, and high current test, as well as standard probes for 0.4mm-, 0.5mm-, 0.65mm-, 0.8mm-, and 1.0mm pitch.
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Kelvin Probe Systems
Kelvin probe measures the work function difference between the tip and the sample when in thermoequilibrium state (a), and measures the electrical potential when the sample is illuminated (b), which is the sum of the difference in workfunction and internal/external-applied voltages.
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Wide Jaw Kelvin Lead Set
6730
Wide Jaw Kelvin Lead Set. True wire four wire lead set with gold plated alligator clips that open to a wide .800? (20.3mm).
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Kelvin Test Leads
Kelvin Test Probes, Kelvin Test Leads, based on the Parrot™ Clip Invention provide reliable contacts and connections for the Sense and for the Current leads .
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Diode Scanner
SC924
Frothingham Electronics Corporation
The SC924 is an electromechanical device for testing diodes loaded on burn-in boards.A set of Kelvin contacts is indexed from diode to diode. The contacts move over a range of 24 inches in the X direction and the table holding the boards moves over a range of 9 inches. This allows scanning of multiple burn-in boards or boards with multiple rows of diodes.
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Bond Meter Kit
R1L-BR1
The TEGAM Model R1L-BR1 bond meter is a purpose built, rechargeable battery powered portable instrument for ground bond measurements. The R1L-BR1 comes with BCP-10 push-pin probes and KAK-1M Kelvin alligator clips, it is all housed with in a ruggedized case. It can accurately make measurements with a resolution of 1 microohm. It has been selected and deployed in Afghanistan for use on the Kiowa Warrior Armed Reconnaissance Helicopter.
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Short Circuit Locator for Power Cables
A910
The A910 is a short circuit locator designed for fault location in power cables. The instrument measures the ratio of the resistances of the two sections of failed conductor using a four-wire "Kelvin" connection, thus eliminating errors associated with contact resistances of the test leads. With the A910 you can determine if the cable has more than a short and locate the first and the last fault. The instrument locates fault with an insulation resistance up to 5 Mohms in cables that have a total resistance greater than 5mohm (approximately 90 m of 300 sqmm cable) and less than 30 kohms. The distance to fault is measured as a percentage of the total length of cable and is displayed on a large LCD display.
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Single-Point Kelvin Probe
Our Single-Point Kelvin Probe system (KP020) is the introductory system in the KP Technology product family. The off-null signal detection method allows high-quality measurements of the Work Function/Fermi Level of materials.
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Scanning Kelvin Probe Microscope
VS-SKP
The Kelvin Probe experiment uses a nondestructive method to determine the relative work function difference between the probe and the sample. Work function describes the energy required to liberate an electron from the surface of a conductor; electrochemists often interpret this as the difference from an electrode’s Fermi Level, average energy of electrons, and that of vacuum.
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Resistance Meter
RR2204CZZ
Aarohi Embedded Systems Pvt. Ltd
AAROHI resistance meters measure a vide range of resistance values at a high level of accuracy. RR2204CZZ is a high-precision, portable resistance meter capable of measuring resistance with extremely high accuracy with low ambient temp. effect. This is ideal for the testing and maintenance of Electric motors, Pump sets & other equipment with windings. This Instrument is based on Kelvin 4- wire connection method for measurement of low resistance.
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Cable Length Meters
CLM-1000E
*Measures these metric wiresizes: 0.75, 1, 1.5, 2.5, 4, 6, 10, 16, 25, 35, 50, 70, 95,120, 150, 185, 240, 300, 400,500 mm2*Eight user-programmable settings for other sizes*Powered by (6) 1.5V AA batteries*Replacement calibration rods (pair) available as CLM-ROD, UPC 02721*Replacement Kelvin clips (pair) available as CLM-CLIPS, UPC 02722*Meters
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Conversion Kit for Kelvin Holders
KC-4
Integrating Spheres are essential tools for photometric research laboratories & lamp / luminaire manufacturers. To derive the best results from Integrating Sphere Photometry, precision lamp holders are necessary
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Kelvin Test Contactor/Probe HEad
cPython
cPython™ Kelvin contactors and probe heads provide superior electrical and thermal performance with significant cost savings. This makes cPython Kelvin ideal for lab and high-volume production test of analog and mixed signal integrated circuits – for applications such as power control, A-D and D-A converters, audio, video, power amplifiers, photonics, optical MEMS and sensors.cPython Kelvin probes are electrically isolated and mechanically independent force and sense paths for true Kelvin contact for taking accurate measurements, even under high current conditions. These robust probes provide hundreds of thousands of insertions or touchdowns, and a bandwidth up to 26 GHz.
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LCR Measurement
LCR component bridge with built-in test fixture and limits comparator with binning. Micro-ohmmeter with four terminal Kelvin clip leads. High basic accuracy, rechargeable battery operation.
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Large Kelvin Clip Lead
16089A
Measure odd-shaped components that you cannot measure using conventional fixtures
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Ultra-High Vacuum Scanning Kelvin Probe
Our Ultra-high Vacuum Scanning Kelvin Probes (UHVSKP2020 and UHVSKP5050) give the user full access to work function (Φ) and contact potential difference (CPD) measurements under vacuum with the ability to scan a sample area of 20 x 20mm or 50 x 50mm respectively. Each system comes with the UHV head unit, tip amplifier (located at the mounting port), digital control unit and host PC with dedicated software. The tip can be retracted 100mm from the sample and approaches normal to the sample. The associated digital electronic unit powers the head unit and provides an interface between the head unit and the data acquisition system. The system comes with a complete user manual, which includes an introduction to work function measurements and a detailed description of the system software, including examples. The work function resolution of the Ultra-High Vacuum Scanning Kelvin Probes is 1-3 meV.
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Precision Current Sensing Resistors
PCR4T
Precision cement resistors designed with four terminals, are distinguished by excellent long term stability & TCR. The Kelvin connections of this device allow high precision measurements even with low resistance values. PCR 4T has a non-inductive copper manganin element inserted into the ceramic case and finally sealed with a ceramic molding. This resistor has low inductance and has high pulse power.
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Micro-Ohmmeter
LOM-510A
The Micro-Ohmmeter has 4 digits, 0.02% basic accuracy and 1 resolution. The 4-terminal kelvin measurement connection minimizes lead resistance errors and 80 dB of ac noise rejection provides rock-steady readings even in noisy locations. The micro-ohmmeter comes with rugged 4-terminal test clips and a large selection of optional probes, clips and fixtures allowing attachment to any low-resistance unknown.
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High Speed Microohmmeter, HI/GO/LOW Outputs
1740
Basic Accuracy: 0.02%Measurement Speed: 10 msRange : 20 m to 20 MResolution : 1 Programmable reference currentsGPIB, RS-232 (model 1740/GPIB) and PLC compatibilityKelvin Klips, Spade Lugs or Kelvin Probes availableEasy to operate and easy to integrate1-year warranty
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Kelvin Clip Set
11062A
Create custom Kelvin probes for 4-wire resistance measurements; set contains only the two gold-plated clips
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Transformer Winding Resistance Tester
KRI 9310
KRI 9310 adopt Kelvin four-wire testing method, which effectively eliminates the influence of the resistance of the test line on the test results. It can be able to increases the current to 10A by which can test extremely low resistance to 0.01 Ω(such as amorphous alloy, Copper-nickel, nickel-chromium-iron, iron-chromium-aluminum etc). For the tested objects with high resistance value (CT/PT), the instrument can extend the range to 20 kΩ，so the wide resistance test range enables KRI9310 can cover 80% of the power transformer products on the market and switchgear bus-bar cable etc. The power of the tester use the built-in rechargeable lithium battery that can test hundreds of transformers by one time charging.
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Contactors
Multitest Elektronische Systeme GmbH
Multitest is able to offer you the contacting solution that best suits your application including:*Kelvin test*RF test*tri-temp test*MEMS test
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Kelvin Test Contactor
nano
nano Kelvin™ test contactor is a well-established Cantilever Kelvin test contactor with proven performance in the automotive market and further increasing popularity due to the robustness and reliability of the product.Featuring a small imprint area, contact motion decoupled from the test board and simple and cost-efficient test boards.
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Milli-Ohmmeter and Bond Meter, Portable, 10 µΩ to 20Ω
R1L-BR
The R1L-B series Ohmmeter/Bonding Tester is a digital microohmmeter designed to measure resistances from 10 to 20 . It is used in applications such as metal bonding, switch, circuit breaker, circuit resistance and other contact and connection resistance tests as well as higher resistance measurements for circuit analysis and resistor testing up to 20 . The instruments utilize the four-terminal, Kelvin technique to eliminate errors caused by the resistance of the leads. Resistance readings are viewed on a 3 1/2 digit display,
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Kelvin Contact Test
C.C.P. Contact Probes Co., LTD.
We offer different tip types for low resistance testing.
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Precision Micro Ohmmeter
BS407
High basic accuracy of 0.1%Wide range of 1 µΩ to 20 kΩCurrent reversal switch for detecting thermal EMF effectsCurrent diversion switch for easy zeroingFour terminal measurement using Kelvin clip leads (supplied)Battery operation with built-in charger20mV clamp for "dry circuit" testing
