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Resistance Test

measured in ohms is the ability of a current to conduct.

See Also: Resistance, Resistivity, Resistance Standards, Resistance Meters, Battery Internal Resistance Testers


Showing results: 1291 - 1305 of 1308 items found.

  • Motor Testing Equipment for EOL- BLDC (Brushless) Motors

    MotorLine® - MLI-B - MOTOMEA

    *Performs QA testing on 100% of production without compromising line throughput (up to 10 motors per minute), reducing costs of defective products.*Determines acceptability to user predefined PASS/FAIL limits on production lines.*Provides motor performance data, from stall up to no-load, within seconds, including: torque, speed, current, voltage, input power, output power, time, motor efficiency, driver efficiency, direction of rotation.*Provides dynamic performance tests data, including: speed and torque spectrum, speed and torque oscillations, friction torque, friction spectrum, friction output power, cogging torque level.*Supports non-contact frictionless sensors.*Supports motor’s internal speed sensors.*Support sensorless BLDC motors.*Speed range up to 250,000 rpm.*Motor power switching is done by the motor electronics; the data sampling is started while the motor starts moving.*Motors can be tested inside their applications.*Motor performance data can be recorded in the system database for comparison and statistical analysis.*Test results are provided graphically and tabulated.*Test reports in PDF and Excel format.*Capability for integration with third party devices, such as hipot & insulation resistance testers.

  • Handheld Micro-Ohmmeters

    RMO-H Series - IBEKO Power AB

    The RMO-H is battery operated and handheld micro-ohmmeter. It is designed for a variety of applications for contact resistance measurement of non-inductive test objects. Typical applications are accurate testing of:medium and high-voltage circuit breakers,disconnecting switches,high-current bus bar joints,cable splices,and different high-current links.Even more, it accurately measures in high-induction filed environments and substations, as well as in factory testing.RMO-H Series contains six models in total, divided in 2 sub-series depending on the test leads length requirement and the battery type:RMO-H1, RMO-H2 and RMO-H3 models are intended for use with short cables (e.g. 1,3 m / 3 m / 5 m). The 1-cell Li-Po battery with 8200 mAh capacity provides output voltage up to 4,1 V DC.RMO-H21, RMO-H22 and RMO-H23 models are ideal for applications where test leads with lengths > 5 m are required. The high output voltage (up to 8,3 V DC) is provided by 2-cells 4100 mAh Li-Po battery.The test current is regulated and can be selected in a range of 1 A to maximum 300 A, depending on the maximum test current rating:RMO-H1, RMO-H21 models – up to 100 A DCRMO-H2, RMO-H22 models – up to 220 A DCRMO-H3, RMO-H23 models – up to 300 A DC.Unlike many other handheld micro-ohmmeters available on the market, our instruments have regulated and user-selectable test currents. Therefore, RMO-H instruments generate an automatically regulated test ramp with stable and ripple-free current during measurement. These revolutionary characteristics in a handheld micro-ohmmeters technology are possible by using sophisticated Li-Po batteries. Consequently, modern battery technology enables you to do multiple measurements, and a full day of testing without recharging the battery.With all RMO-H models, it is possible to make tests on Both Sides Grounded testing objects, in an increased safety environment. Finally, these features in combination with a user-friendly interface (1-click to measure) significantly speed-up testing procedure and make it safer.These instruments store up to 1000 measurements on the internal micro SD card.Our free DV Win software communicates with the RMO-H micro-ohmmeters via a wireless Bluetooth interface. Furthermore, it allows you to download test results, analysis and generate fully configurable test reports.

  • Handheld LCR Meter (100Hz to 100kHz)

    ST2822 - Saluki Technology Inc.

    ST2822 series handheld LCR meter is a portable handheld measuring instrument used to measure the parameters of inductance, capacitance, resistance and other components. Small in size, powered by 8.4V rechargeable battery (ST2822A is 9V non-rechargeable battery) or external power adapter, it can be used not only in desktop applications, but also in mobile measurement and handheld measurement.ST2822 series apply the ultra-low power consumption design and high density SMD assembly techniques and can simultaneously display primary and secondary parameters on a LCD display with backlight. The dual-color shell is gorgeously once shaped; and functions are easy to operate. The test frequency is up to 100 kHz, the readings of primary parameter 40,000 counts and the resolution of dissipation factor 0.0001. Accurate and convenient measurements of passive-components can be achieved in different occasions for a long time.

  • Micro-ohmmeters

    MMR-650 - Sonel S.A.

    Designed to measure very low resistances of both resistive and inductive types of objects, including amorphous core transformers. This product is made to be used in power plants, railways and maintenance companies, to measure welded and soldered connections, equipotential bondings, earthing conductors, contacts, bolted connections, windings of motors and power transformers and other resistive and inductive objects. MMR-650 can be also utilized on a production lines (eg. at the final production control stage). An innovative combination of a high-performance measuring device with a modern user interface and advanced data management system. Wireless data transmission, enhanced system of 2D codes and ability to print labels to identify test items, all contribute to bringing new quality of work and allow the user to perform a wide range of measurements.

  • 11 Function True RMS Multimeter

    Extech EX363 - Extech Instruments Corporation

    The EX363 is a Compact HVAC True RMS MultiMeter with a Built in Non Contact Voltage Detector. Featuring highly accurate True RMS measurements, LoZ for the prevention of false readings caused by ghost voltages, .5% basic accuracy, a 1000V AC/DC volt range, resistance up to 40MΩ, continuity beeper with visual alert, smart data hold, peak hold, auto power off with disable, relative mode for capacitance zero and offset adjustment. Additionally, the EX363 excels in HVAC flame rod measurements with a µA function, as well as Type K Temperature measurements from -40 to 742°F (-40 to 394°C) and Frequency and Capacitance measurements. Complete with test leads, 9V battery, holster with tilt stand, general purpose bead wire temperature probe and built-in magnet.

  • Battery Capacity Tester

    BLU-C Series - IBEKO Power AB

    BLU-C is the latest solution from DV Power for conducting a comprehensive battery capacity test. This universal instrument is applicable to any battery string, such as lead-acid, Li-Ion, Ni-Cd, and others, with voltages up to 800 V DC.BLU-C tester simplifies battery testing in multiple ways. The instrument provides monitoring of discharge parameters (graphically and numerically) in real-time on a 7-inch touch screen display. The instrument also enables measurement and monitoring of cell parameters (voltage/intercell voltage/temperature), which makes it a complete stand-alone discharge test system.The capacity tester is compatible with DV-B Win software. Because of that, the user can view detailed numerical and graphical presentations of key parameters, and create reports in various formats.The capacity test is performed in a user-friendly way according to battery testing standards: IEEE 450-2010, IEEE 1188-2005, IEEE 1106-2015, IEC 60896-11/22 and other.The battery tester enables setting the discharge current up to 300 A, with 0,1 A resolution. If higher currents are required, BLU-C units can be connected in parallel, or BXL additional load units can be used.The user can select one of three discharge modes: Constant current, Constant power, Constant resistance. Additionally, different battery duty cycles can be simulated using user-selectable discharge profiles.Testing can be carried out without disconnecting the battery from the equipment it supplies.

  • 10KV High Voltage Digital Insulation Resistance Tester

    KM 6213AIN - Kusam Electrical Industries Limited

    • The KM 6213A IN is the KUSAM-MECO premium model of High Voltage Digital Insulation Resistance Testers.• The KM 6213A IN has new added features with a low consumption High Performance processor.• It displays results much faster and has more advanced features.• The KM 6213A IN has Automatic Polarization Index and Dielectric Absorption Ratio Calculations.• Results are displayed on the new High Contrast LCD. It’s mounting angle makes it more readable for all users, in different working conditions.• The user’s manual reflects the new features and added benefits of this instrument.• It has Auto-Off, Auto-Stop, EnerSave™ and is a non destructive tester.• Once you start the tester, it waits for your selection. You can go up and down in voltage to select the voltage at which you want to test the insulation. Once you have selected that voltage, you need to connect the test leads to the Insulation Tester to measure. Then it measures voltage to ensure there is no voltage present on the equipment under test. If there is a voltage present, it will warn you to disconnect the circuit before proceeding. If it’s free of any voltage, then you can proceed with the testing. This ensures that no damage is done to the Insulation Tester KM 6213AIN.• One of the new innovation on this tester is also the way the new unique calibration process works. It’s fully digital, has no moving parts and does not require expensive and complicated jigs or computers systems to be calibrated. It’s cheaper to maintain than any other Digital HV Insulation tester on the market today. The KM 6213AIN is supplied standard with our Premium test Leads Kit, the AL-50.

  • Temperature And Humidity Chambers

    Dongguan Amade Instruments Technology Co., Ltd

    Temperature and humidity chamber is also referred to as climatic chamber, programmable temperature humidity chamber, constant environmental test chamber, constant humidity chamber, temperature and humidity controlled cabinet etc. It Is capable of simulating the range of temperature & humidity fluctuating from an extremely low value of -70℃ & 20% R.H to an exceeding high value 150℃ & 98% R.H which products may be exposed to in the natural environment. Constant temperature&humidity testing machine can be used to measure the resistance of specimens to withstanding extremely high temperature, low temperature, constant temperature, high humidity, low humidity or various programmed combinations. Applied to all materials and product which are sensitive to temperature and humidity, such as electronics, appliances, cell phones, communications, instruments, vehicles, plastics, metals, foods, chemical products, construction materials, medical products, aerospace components etc.

  • Mobile Testing Power Supply(Microamp)

    M8831 - Maynuo Electronic Co.,Ltd

    M8831 Power supply,  a new generation of programmable linear power supply, are designed with high speed dynamic programming output(Voltage 0-30V, 1ms rising time), high current accuracy (0.001mA resolution) and low internal resistance, which can satisfy all the test requirements. The combination of bench-top and system features in these power supplies not only make it possible to option into other equipments, but also make it possible for users to edit program by panel keyboard, which will bring much convenience to users. Meanwhile, the voltage level switch works without relay, which will cause the fast switch between high voltage and low voltage. Moreover, M8831 powr supply provides the best solutions for cellphone research, micro-electronics lab,research institue and special users requiring power supply with low current buthigh accuracy .

  • Multifunction Calibrator 15 ppm Basic Accuracy

    MC142 - Powertek LLC

    Multifunction calibrator MC142 is a precision voltage, current and power calibration source serving as a measurement standard in calibration laboratories and production lines; where verification of electrical measurement equipment & sensors is required. It can be used for calibration and adjustment of meters measuring voltage, current, power, resistance, capacitance and frequency. Internal harmonic and non-harmonic signals make it possible to test electrical performance of meters using signals with various crest factors. Frequency modes enable selection of frequency, amplitude and duty cycle of the output signal. These are suitable for basic calibration of digital and analog oscilloscopes along with transient recorders. The calibrator is equipped to measure temperature with TC and RTD temperature sensors. Its built-in multimeter can be used independently or simultaneously with the calibrator output. Testing of transducers of various types, regulators and sensors can be performed, without the necessity to use any other measuring instrument.

  • PXI Device Power Supply - 4 Isolated Channels, 20-bit Measurement Resolution

    52310e series - Chroma ATE Inc.

    Chroma 52310e Series i s a programmabl e PXI-Express DPS (Device Power Supply) Card designed for high-accuracy and reliable output power for device test applications. Its compact size, easy level of integration, and high flexibility make the 52310e Series ideal for multi-channel power supplies. Chroma 52310e Series features 8 selectable control bandwidths to ensure high speed output and stable operation; multiple current measurement ranges with a 20-bit DAC/ADC provide the highest resolution and accuracy with a sampling rate up to 600K S/sec; programmable internal series resistance for battery simulation. Chroma 52310e DPS series has a patented hardware sequence engine that has deterministic t iming to cont rol each DPS channel. The sequencer's on-board memory can store up to 1024 sequencer commands and 32k measurement samples per channel.

  • DC Electronic Load

    Model - KM-mPD-501 - Kusam Electrical Industries Limited

    KM-mPD-501 DC electronic load mainly focuses on the testing of power circuit on PCB. KM-mPD-501 offers a solution for function test of Switch step up, Stepdown, Regulators and Driver IC . Engineer puts components, such as CPU, DSP, FPGA; etc on a PCB after the power circuit has been tested. It’s not complete to use a meter to measure the voltage. KM-mPD-501 offers engineer OVP, OCP and OPP functions that help engineer know the value of overload current . On the other hand, engineer can use a programmable DC power supply (mPP series) to offer external power and connect PCB’s output to KM-mPD-501. Then engineer can easily get output watt, figure out the efficiency of power circuit and check if inductances, capacitances and resistances perfectly work with the power circuit. KM-mPD-501 not only offers loading emulation of current but also provides OVP and OPP. User can use these functions to test solar power battery, rechargeable battery and motor driver. In school laboratory, KM-mPD-501 helps students do experiment on power circuit, linear circuit and driver circuit.

  • Thermitest

    THW-L2 - Thermtest Instruments

    Designed with speed and operational simplicity in mind, the Transient Hot Wire (THW-L2) Liquid Thermal Conductivity Meter is an advanced measurement system for direct determination of the thermal conductivity of liquids and pastes in accordance with ASTM D7896-19. In less than 2 seconds, a single measurement of small volumes of liquids and pastes can be accurately and precisely measured for thermal conductivity. Using a non-stationary measurement approach, the THW-L2 uses rapid test times to limit convective effects for samples with a wide range of viscosities. The THW sensor consists of a 60 mm heating wire that is fully inserted into an isothermal sample. A constant current source (q) is used to heat the sensor wire and the temperature rise is recorded by monitoring the change in electrical resistance of the wire. The slope (m) is determined from the plot of temperature rise vs. logarithm of time and is used in the calculation of thermal conductivity (λ). Liquid samples of high thermal conductivity will have a lower slope, while liquid samples with low thermal conductivity will have a higher slope.

  • Motor & Drive Troubleshooting Kit

    Extech MG302-MTK - Extech Instruments Corporation

    The Extech MG302-MTK Motor and Drive Troubleshooting Kit includes three compact tools for troubleshooting three phase motors and drives. The first tool in the kit is the MG302, a 13 Function Wireless True RMS Multimeter/Insulation Tester featuring 125 V, 250 V, 500 V, and 1000 V test voltages. It also features insulation resistance from 0.001 MOhm to 4000 MOhm, auto discharge of capacitive voltage, a lock power on function for hands free operation, data hold, min/max, relative mode, auto power off and more at a CAT IV 600 V safety rating. The second tool is the 480403 Motor Rotation and Three Phase Tester that features a double molded, durable housing and CAT III 600 V safety rating. The third tool in this kit is the MA435T 400 A True RMS AC/DC Clamp Meter with a built in non-contact voltage detector, 10 functions and a CAT III 600 V safety rating.

  • Three-Phase Transformer Demagnetizer

    DEM60C - IBEKO Power AB

    After a DC current test, such as winding resistance measurement, the magnetic core of a power or instrument transformer may be magnetized (remnant magnetism). It can cause various problems such as wrong diagnostics, inaccurate measurements on a transformer, inrush current at the start-up of a power transformer, or incorrect operation of protective relays due to magnetized CT cores. The best way to eliminate this source of potential problems is to use demagnetizer on the power or instrument transformer.The DEM60C is a fully automatic test instrument which performs three-phase transformer demagnetization. Transformer magnetic core demagnetization requires the application of AC current with magnitude decreasing to zero. DEM60C provides this AC current by internally changing the polarity of a controlled DC current. During the demagnetization process, the instrument supplies the current at decreasing magnitude for each step, following a proprietary algorithm. It can demagnetize single-phase and three-phase power transformers.The instrument can be connected to all three phases of a power transformer to be demagnetized, on either the primary or the secondary side. If a user selects specific vector diagrams for different types of transformers, DEM60C will run a specific demagnetization procedure for each transformer type (i.e., single phase, delta, wye/star, zig-zag.) without switching the test leads.DEM60C enables safe and efficient power transformer demagnetization. The instrument automatically regulates the injection of current and discharging energy from the inductance. During and after the operation, an intrinsically safe discharge circuit with an indicator rapidly dissipates the stored magnetic energy. The discharging circuit is independent of the power supply, which improves its reliability in case of loss of power.Test currents of up to 60 A DC enable efficient demagnetization of even the largest power transformers. Using a DV Win software, it is possible to control DEM60C externally.

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