Kelvin
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Slip Ring Test System
This is a high specification tester that will measure many cable parameters. It measures cable resistance very accurately using the Kelvin 4-wire method. It also tests for shorts between pins at a low voltage. The next test is to measure insulation between connections at a higher voltage. This is carried out at up to 1500 Volts DC with resistances of 10 to 500 Meg ohms.
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Test Fixture, Axial And Radial
16047A
The 16047A is designed for impedance evaluation of axial/radial lead type devices of up to 13MHz. The 16047A employs Kelvin contacts which realize a wide impedance measurement range. The contact tip can be changed according to the device shape.
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Cryocooler
CryoTel® DS30
The CryoTel® DS 30 Stirling cryocooler offers efficient, reliable, compact and high power cooling to the market in the temperature range of 35 to 250 Kelvin. The DS30 was optimized for applications in which SWAP (size, weight and power) and reliability are concerns. The DS30 consumes considerably less power than other cooling alternatives and requires no maintenance, making it ideal for strategic as well as industrial applications. Both the cold head and the pressure wave generator can be mounted in any orientation. Application examples include semiconductor manufacturing, large infrared detectors, RF receivers or antennas, astronomical telescopes, laser cooling, high-temperature superconductivity, cold traps, and others.
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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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Ultra-High Vacuum Kelvin Probe
Our Ultra-high Vacuum Kelvin Probes give the user full access to work function and contact potential difference (CPD) measurements under vacuum. Each system comes with a high-quality, manual, or motorized translator that enables reliable and accurate tip-to-sample positioning, and the unrivalled tracking system always holds the tip separation constant during the measurement. Even under vacuum, the work function resolution is 1 - 3 meV.
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Large Kelvin Clip Lead
16089A
Measure odd-shaped components that you cannot measure using conventional fixtures
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Thermometers
At PCE you will find both a contact and non-contact thermometer for measuring and recording temperature. There is a thermometer to measure different temperature ranges between -200 and 1767ºC / -328 ... 3212ºF. Measurement of temperature is done in many different sectors. We also offer a thermometer that can indicate temperature in ºC, K (Kelvin) and ºF, as well as another that is water resistant.A wide range of thermal elements and type-K sensors are available for the thermometer. ISO calibration certificates, which include a laboratory calibration, can be ordered for most models in our thermometer range. Thermometers are instruments we use to measure the temperature of people or things.The most used and known thermometers are mercury thermometers used to measure peoples temperature and consisting of a graduated glass capillary and a pool of mercury in one end, but there are many types of thermometers such as digital thermometers that we have introduced which take temperature measurements on contact with an object these are suitable for any sector of industry. We even have infrared or laser thermometer to take measurements at distance, without contact.
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Ultra-High Vacuum
KP Technology offer a range of Kelvin Probes that work under ultra-high vacuum conditions, choose from single-point or scanning probes to add to your existing vacuum chamber, customize the UHV corner cube or consider the newest addition to the range, the Ф4 ultra-high vacuum scanning Kelvin Probe system.
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Medium Kelvin Clip Lead
16089B
Measure odd-shaped components that you cannot measure using conventional fixtures
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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-1000
*Measures these AWG wire gages: 18, 16, 14, 12, 10, 8, 6,4, 2 , 1/0, 2/0, 3/0, 4/0*Measures these kcmil wire sizes: 250, 350, 400, 500, 600, 750, 1000*Eight user-programmable settings for other gages*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*Feet
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Short Circuit Locator
A694
The A694 is a short circuit locator designed for fault location in metallic 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 A694 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 0.1 ohm and less than 40 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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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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Temperature Monitor
SIM922A
Stanford Research Systems, Inc.
The SIM922A has a programmable, precision 10 µA current source to provide sensor excitation. Results can be displayed in either kelvins or volts.
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Controlled Atmosphere
KP Technology offer a range of Kelvin Probes that work in a controlled environment including automatic control of relative humidity within the Kelvin Probe housing and integrated nitrogen atmosphere control.
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Four Terminal Precision Resistors
AH
A-H resistors are constructed with four terminal, isolated voltage and current connections(.i.e. Kelvin Connection) making them suitable for very precise current measurements, current limitations and current regulation in power units, current sources and electronic loads.
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Kelvin Clip Test Lead Set
5940
Kelvin Clip Test Lead Set. Ideal for resistant measurementsbelow 1 ohm.
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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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Specialist Test Probes
High Current Test Probes, Ultra-high Current Test Probes,Kelvin Test Probes, High Frequency Test Probes, Switching Test Probes
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Current Sensing
voltage-output, current-sensing amplifier family that integrates an internal shunt resistor to enable high-accuracy current measurements at common-mode voltages that can vary from 0 V to 36 V, independent of the supply voltage. The device is a bidirectional, low- or high-side current-shunt monitor that allows an external reference to be used to measure current flowing in both directions through the internal current-sensing resistor sensor. The integration of the precision current-sensing resistor provides calibration equivalent measurement accuracy with ultra-low temperature drift performance and ensures an optimized Kelvin layout for the sensing resistor is always obtained.
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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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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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Test Fixtures
Pneumatically actuated Kelvin connection to custom manufactured device inserts either to complement ART's wide range of precision parametric test equipment or for use with third party measurement hardware.
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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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Test Contactor/Probe Head
Hydra
Engineered for excellence and efficiency, Hydra™ spring probe series offers precision, reliability, and standardized semiconductor test interface.Designed to be best-in-class at a competitive price point, Hydra is optimized to maximize your operational efficiency. Hydra is built to withstand demanding high-volume manufacturing test environments with its robust and durable design.With a common test-height, Hydra offers the ability to mix and match power, RF, and Kelvin probes within the same test socket. In addition, Hydra streamlines inventory management with fewer probe part numbers to manage and shorter lead times.
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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
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Off-Set Kelvin Test Sockets
This is an innovative and robust contact technology for making Kelvin contact to 0.5mm pitch QFNs. The contact uses a tip that is angled to one side, matched to an orientation that's flat on the tip. Two such contacts placed in opposition will touch the pad within 0.125mm. And because the tip is offset, the probe diameter is a robust 0.39mm and the load board pad pitch remains 0.5mm.
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Semicon Test Probes
Fine pitch, 0.20 mm [8 Mil] - single & double ended - non-rotating - kelvin - RF - high performance.
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Banana-Triax Adapter For 2‑Wire (Non-Kelvin) Connection
N1297A
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.
