Resistive Load Banks
Check power source's ability to deliver a given current and voltage at unity power factors.
See Also: Load Banks, AC Load Banks, DC Load Banks, Inductive Load Banks, Reactive Load Banks
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S-Beam Static Load Cells
2519 Series
The 2519-xxxN Series load cells are specifically designed for use with 3300 single column testing systems. Automatic transducer recognition and electrical calibration makes them easy to use. The load cells incorporate overload protection and can withstand loads up to 150% of their force capacity without damage and 300% without mechanical failure. The load cells allow the user to zero out the tare weight of a grip or fixture that weighs up to 40% of the force capacity, while still maintaining the full specified accuracy.
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Capacitive Bank Load
Supreme Instrument Laboratories
Capacitive Bank Load Three phase suitable for operation on 415/440 volts three phase AC 50Hz housed in well ventilated sheet steel cabinet with bakelite front panel, complete with indicating lamps, voltmeter to indicate the input voltage and Ammeters to indicate, the load. ON/OFF switch, discharge switch etc. available in continuously variable type.
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CPCI Load Boards 6Ux160mm
1940000135-0000
The 6U cPCI Load Board functions to test a system's cooling capabilities by first applying the load to the power supply for verification and finally creating the necessary heat to confirm chassis cooling.
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AC Load Banks
X100L-600 Series
Mosebach Manufacturing Company
Mosebach’s X100L-600 is the smallest load bank of 100 kW with 5 kW resolution. Offers a continuous load at 600/480/240/208 volts. Great for most generator testing. And lightweight – only 64 lbs!
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Insulation Resistance Testers
Are designed to help prevent hazards such as electric shock and short-circuits caused when the insulation in electrical devices, parts, and equipment used in industrial plants, buildings, and other settings degrades over long periods of use.
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Power Bank Tester
TOB-V-125
Xiamen Tob New Energy Technology Co., Ltd
Power bank tester test voltage current capacity (External battery pack tester machine).
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Ground/Insulation Resistance Test Series
Wuhan Huatian Electric Power Automation Co., Ltd.
Ground/Insulation Resistance Test Series by HVTEST
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Regenerative AC load function
61800 Series Optional Function
The regenerative AC load function consists of various modes such as CC Rectified mode, CP Rectified mode, CR mode, CC Phase lead/lag mode and CP Phase lead/ lag mode. The Rectified Mode is capable of simulating non-linear rectified loads with characteristics similar to Chroma 63800 series AC load where the voltage and current operate at the 1st and 3rd quadrant. The Rectified Mode supports both CC and CP functions with current, power and CF as parameter settings.
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Load & Fatigue Testing
DATASYST Engineering & Testing Services, Inc.
Due to variations in types and levels of load and fatigue exposure, DATASYST works with each client to determine the best possible test plan to capture the information and issues that may be present in application.
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Three-Phase Transformer Winding Resistance Meters
TWA Standard Series
When it comes to winding resistance measurement on three-phase power transformers and autotransformers, TWA Standard series offers some of the most technically advanced instruments with LCD display in the market. Both models are capable of testing six transformer windings with a one-time cable connection, as well as three-phase automatic transformer demagnetization. The stored magnetic energy is safely automatically discharged at the end of the test. The built-in tap changer control unit enables automated test mode, where the instrument operates the tap changer without operator input and records winding resistance results based on pre-selected stabilization criteria. This option makes the operator’s job significantly easier.Both models can output test currents from 5 mA to 25 A DC for the purpose of winding resistance measurement. TWA40D has a special test mode for checking the synchronization of on-load tap changers with three phases simultaneously tested in parallel, in which the total test current can rise to up to 40 A DC.TWA40D has additional advantages when it comes to non-intrusive tap changer analysis. The unique DVtest method enables checking the moving contacts of on-load tap changers during the transition, measuring the transition time, detecting open circuits, and many other types of faults. It is performed with 0.1 ms sampling rate, simultaneously with the measurement of tap changer motor current which helps with the detection of motor and mechanical issues. A special proprietary algorithm is used for testing tap changers connected through a built-in series (booster) transformer. The DVtest can be performed either on one phase or on three phases simultaneously. It can also be performed as an additional test simultaneously with the winding resistance test in all tap positions.An additional unique advantage of TWA40D is the capability of simultaneously testing the winding resistance of all three phases of a three-phase transformer (connected in a YN configuration). This can significantly shorten the total testing time – for example, it enables the operator to perform 33 measurements instead of 99 on a tap changer with 33 tap positions.The test leads for TWA three-phase transformer winding ohmmeters are interchangeable with the TRT turns ratio testers, which means that both sets of tests can be performed with a single test lead connection to the power transformer terminals.
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Insulation Resistance Tester
UDH-50-1-T
UDEYRAJ ELECTRICALS PRIVATE LIMITED
utomatic-microcontroller operated• Standard test voltages-0.5kV, 1kV, 2.5kV, 5kV • Resistance range to 1TΩ • Continuous digital display on LCM• Test modes: Insulation resistance,PI (Polarization Index)AR (Dielectric Absorption Ratio)(PI and AR automatically calculated)
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AC Load Banks
XL300-400 Series
Mosebach Manufacturing Company
The XL300-400 Series of Load Banks offer 300 kW or 400 kW in various voltages in a compact, lightweight enclosure.
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Insulation Resistance Tester For PV
MSEI-200C
MULTI MEASURING INSTRUMENTS Co., Ltd.
This model can measure insulation resistance of DC current circuit in PV systems (between PV module and power conditioner) on the live line and can distinguish the deteriorated part between Power Phase, Neutral Phase, P/N Phase and or PV modules.
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High Resistance Meters
Measurements International Ltd.
Direct or Substitution Measurements, Automatic and Manual Operation, No Temperature Coefficient, Multiple Modes of Operation.
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Programmable DC Electronic Load
Four parameters, highlight VFD display.Resolution of voltage and current: 0.1mV/0.1mA.Four working modes: CV/CC/CR/CP.Three dynamic test function (up to 10KHz): continuous load switching mode, pulse load mode, toggle load switching mode.Ten groups automatic testing data files with each file 10 steps.Intelligent fan cooling, coding switch, built-in buzzer, non-slip feet .Complex current sequence list test mode .Remote sensing function.Battery discharging test mode.All modes turn on default
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PXI 16 Bank 5 Channel 1 Pole Multiplexer
40-616-021-16/5/1
The 40-616 16-Bank, 5-Channel, 1-Pole Multiplexer Module forms part of the System 40 PXI Programmable Switching system. The Module consists of 16 electrically isolated banks of multiplexers controlled by a PXI/ PCI interface. Each bank is a 1 to 5 multiplexer and operates with break-before-make action when a new channel is selected. Any Individual multiplexer bank can have a channel set by itself, alternatively, multiple banks can have channels selected simultaneously. The module is suitable for cascading in applications that require large multiplexer systems, it is also suitable for test systems that require the switching of a large number of signals in parallel.
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Unclamped Inductive Load Tester
ITC55100STD
Model ITC55100STD performs ruggedness testing of power MOSFETs and IGBTs. It also tests single and dual diodes, and forward and reverse bias of IGBTs when used with an optional ITC55-RSF Output Selector Box.
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PXI 2 Banks of 40 Channel 1 Pole MUX
40-615-021-2/40/1
High density multiplexer modules featuring a wide range of switching configurations, especially useful where a large number of small multiplexers are required. Typical applications include signal routing in ATE and data acquisition systems. Each module is factory configured into one of the configuration modes. Connections are made via a front panel 200-pin connector.
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VBR Load Analyzer
The Powerohm Variable Braking Resistor Analyzer will determine what braking resistor ratings are required for your specific application. The Powerohm VBR is a portable test unit that provides selectable steps of resistance for analyzing your braking requirements for a wide range of drive horsepowers. Simply connect the VBR to your drive or braking module and let the application decide what braking resistor it needs. Once you determine the optimal resistance value for your drives peak performance, the VBR's digital readout will accurately display the true duty cycle as the application runs.
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Earth Resistance Testers
Shanghai Beha Electronics Co., Ltd.
A handy test and measurement instrument for testing Earth resistance and Soil resistivity.
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Electronic Resistance Stores
Is designed to reproduce the values of resistance to direct current through channels independent and galvanically isolated from each other and from the case.
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Transformer Winding Resistance Meters
TWA Advanced Series
The TWA advanced series instruments are designed for six-winding resistance measurement and simultaneous three phase on-load tap changer analysis of both the primary and the secondary transformer windings. This is performed with a one singlestep cable setup, with test currents of up to 40A. Each transformer configuration has a special measurement algorithm which is optimized for the fast stabilization of test results. The TWA instruments generate a true DC ripple-free current. Both the injection of the current and the discharge of energy from the magnetic circuit are automatically regulated.
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Force Load Cells
TE Connectivity (TE) offers load cell assemblies for test and measurement applications that require high performance or unique packaging. Our broad range of packaged load cells feature foil strain gages enabling OEM's to measure force with low cost and high reliability. The gages produce a high level of output signal for a low operating stain using inorganic materials to offer long term stability. Load cells are gaged in a variety of materials from high strength stainless steel to special alloys.
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Earth Resistance Clamp Meter
T2100
Clamp meters for measuring earth resistance directly on earth rods (STAKELESS METHOD) and compatible with MacrotestG series meters
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DC Electronic Loads
An adjustable electronic load gives the test engineer the ability to qualify designs, check production batches or service and repair electrical products. Many applications demand an adjustable electronic load. These include the burn-in of new devices along with general power supply, battery, fuel cell and generator testing.Both static and fully dynamic DC loads are offered. With dynamic functionality 2 levels of load current can be set. The rise and fall time can then be adjusted together with the time period spent at each level. The load can also be made to follow complex waveforms by tracking an external arbitrary oscillator input.
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PXI MUX 1 Bank of 64 Channel 2 Pole
40-610-022-1/64/2
This series of high density multiplexer modules feature a wide range of switching configurations, especially useful where a large number of small multiplexers are required. Typical applications include signal routing in ATE and data acquisition systems. Connections are made via a front panel 200-pin connector. Inter-bank linking relays allow multiplexer size to be increased in multiples of in multiples of three by joining the common terminals of adjacent banks. Closing one linking switch produces a 6-channel multiplexer, closing all linking switches produces an 54-channel multiplexer
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Load Cell Power Supply Module
MODEL PSM-F10
The PSM-F10 is a chassis mountable power supply package. They are ideal for use with dedicated microprocessor systems, instrument design and test equipment. The PSM-F10 can also be used as a supplemental bench or laboratory power supply. The special "Cclamp" type barrier strip secures the wire without twisting. Note the protected recessed barrier strip facing the top of the case. This allows connections to be made in tight areas while protecting the barrier strip from physical damage. Nothing else offers this combination of ruggedness, flexibility and convenience.
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TRANSFORMER WINDING RESISTANCE METER
International Biological Laboratories
This Test set is suitable to measure winding resistance of transformers, single or 3-phase, star or delta connected upto several MVA.Two independent displays read the resistance of both primary & secondary windings simultaneously. However, primary or secondary winding can also be measured separately.
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Resistance Meter
RM3542A
High-speed resistance meter ideal for automated lines; compatible with super-small electronic components • Testing source: DC • Fastest measurement time: 0.9 ms • Minimum integration time: 0.1 ms • Finest resolution: 0.1 μΩ
