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Direct Current

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Showing results: 541 - 555 of 3715 items found.

  • DC Resistance or Conductance of Insulating Materials

    ASTM D257 - National Technical Systems

    These test methods cover direct-current procedures for the measurement of dc insulation resistance,volume resistance, and surface resistance. From such measurements and the geometric dimensions of specimen and electrodes, both volume and surface resistivity of electrical insulating materials can be calculated, as well as the corresponding conductances and conductivities. These test methods are not suitable for use in measuring the electrical resistance/conductance of moderately conductive materials. Use Test Method D4496 to evaluate such materials. This standard describes several general alternative methodologies for measuring resistance (or conductance). Specific materials can be tested most appropriately by using standard ASTM test methods applicable to the specific material that define both voltage stress limits and finite electrification times as well as specimen configuration and electrode geometry. These individual specific test methodologies would be better able to define the precision and bias for the determination.

  • Bidirectional Programmable DC Power Supply

    IT6000C Series - I-TECH Electronic Co., Ltd

    The bi-directional programmable DC power supply of IT6000C series combines two devices in one: a power supply (source) and an electronic load (sink) with energy recovery. Based on these two functions, IT6000C offers the functionalityof two-quadrant operation. The regenerative capability enables the energyconsumed to be put back onto the grid cleanly, saving costs from energyconsumption and cooling, while not interfering with the grid. IT6000C seriesprovide 7 voltage grades, max. output voltage up to 2250V, support master-slaveparalleling with averaging current distribution, max. output power up to1.152MW. Built-in waveform generator supports generating arbitrary waveforms,and import LIST files for waveforms via front panel USB port. IT6000C is thecombination of high reliability, high efficient setting, safe and multiplemeasurement functions. IT6000C is a family of bi-directional, regenerativepower system with excellent performance, extensively used in aspects of highpower battery, automotive electronics, green energy, high speed testing etc.

  • Wide-range High-power DC Power Supply

    IT6500 Series - I-TECH Electronic Co., Ltd

    With ITECH’s latest technology, the IT6500 series offers a full-featured high-performance power test solution. With fast response these DC power supplies provide users with a new level of power supply performance. From 800W to 30 kW, the whole series include more than 100 models. The maximum output voltage and current is up to 1000V and 1200A respectively. With its autoranging capabillity, it also has a super wide range of voltage and current applications. Users can choose the power supply that fits their testing requirements perfectly. In combination with the IT-E501 power dissipater unit, the current sinking capacity of IT6500C can be 100%, 200%, 300% and the power sinking up to 300% of the Sourcing capability. As a high-speed two-quadrant power supply, IT6500C (1800W-30kW) series has a priority function so as to realize high-speed current transition between power supply mode and electronic load mode, to achieve fast switching between sourcing and sinking current, even can achieve seamless switching under certain conditions. IT6512, IT6513 and IT6500C series power supplies provide built-in DIN40839 and ISO-16750-2 testing curves, support solar panel I-V curve simulation function.

  • Capacitors - DC Floating/RF Bypass Mounting

    Macom Technology Solutions Holdings Inc.

    MACOM’s Mounting Capacitors are designed for transient protection for MICs and FETs. Since the capacitor substrate is silicon, it provides an optimum match both thermally and mechanically with the device to be mounted. A wide range of sizes and capacitance values are available as standard products. Our design flexibility allows MACOM to offer a variety of size and capacitance options for specific customer requirements.

  • Card shaped DC power supplies

    RK-80 Series - MATSUSADA Precision Inc.

    Touch and feel the compactness of RK80 series. Quite convenient to bring from lab to lab, and even you need various different supplies RK80 supplies still save spaces on your desk. Output range selectable function (3 different output range) saves also your investment minimum. As these supplies have digital communication function by integrated microcomputer, it is also easy to built network with other equipment for automation.

  • DC Power Supplies for Precision Plating

    R4GT Series - MATSUSADA Precision Inc.

    These are applicable to tests for luminous elements, LED, organic electroluminescence (OEL), etc. which handle minute current. Superior usability is realized with equipped FINE function which can set quickly voltage and current. Moreover, as these correspond to digital communication, applicable widely from experiments to automation line.

  • High Performance DC Power Supply

    IT6800 Series - I-TECH Electronic Co., Ltd

    IT6800 series programmable power supply (18V-150V / 90W-216W) is with small size, high power output, and 10mV, 10mA resolution, supports RS232 / GPIB / USB communication interface.

  • High Power DC Electronic Load

    IT8800 Series - I-TECH Electronic Co., Ltd

    IT8800 series has wide power range 150W~10KW, voltage and current measurement speed up to 50KHZ, resolution up to 0.1mV/0.01mA, adjustable measurement current rising speed 0.001A/us~2.5A/us, built-in RS232/GPIB/USB interface. IT8800 series has wide application fields because of its high performance products, it has been applied to LED lighting, aerospace, automotive electronics and other fields.

  • High Power DC Power Supply

    REK/REKJ Series - MATSUSADA Precision Inc.

    A general purpose power supply that can be used in multiple applications. With PFC circuit and worldwide input REK series fit anywhere in the world.

  • High Speed DC Electronic Load

    6330A series - Chroma ATE Inc.

    The 6330A family offers 8 types of modular loads with power ranging from 30 watts to 1200 watts, current from 0.5mA to 240A, and voltage measurement from 0.5mV to 500V. Each load is isolated and floating, programmable in dual current range and measuring voltage range, and capable of synchronizing with other modules for control operating. The load can be operated in constant current, constant voltage, and constant resistance. With Synchronic parallel control capability, 6330A series loads allow users to parallel and synchronize more than one load together from an internal loading control signal. This feature provides synchronic dynamic loading test for multi-output power and high power test solution. Real time measurement of voltage, current, is integrated into each 6330A load module using a 16-bit precision measurement circuit. The user can perform on line voltage measurement and adjustment, or simulate short circuit test using the simple keypad on the front panel.

  • Programmable DC laboratory power supplies

    Elektro-Automatik GmbH & Co.KG

    Our programmable Laboratory Power Supplies feature the Auto-Ranging Output. Owing to this special function, EA Laboratory Power Supplies are much more flexible and, in comparison to conventional power-supplies, they are able to source a much larger number of EUTs (equipment-under-test) with differing nominal voltages. Through an optimised mix of analogue- and digital technology (µ-controller/FPGA based) and combination of standardised electronic platforms out of a modular structure, we generate a large portfolio of power-supply series, perfectly adapted in power, function, performance and cost to the numerous applications in industrial environment and R&D.

  • Micsig AC & DC Current Probes

    CP2100 - Shenzhen Micsig Instruments Co., Ltd.

    *Split design, small and exquisite appearance, easy to test *Compatible with all BNC-connected oscilloscopes, adapters can also work with multimeters.

  • AC/DC Current Probe,DC~100KHz

    CP-05 - KILTER ELECTRONIC CO.,LTD

    Connected with Oscilloscope and DMMAC/DC current MeasurementAmorphous Alloy CoreTest range:4A,11us,40A,6us,200A,6us100KHz Noise:20mALow battery indicationSmall size Light weightJaw size:23mm(Max)

  • 160W DC Programable Power Supply

    MCH Instruments Co.,Ltd.

    *Source effect: CV≤0.01%+3mV(mA)*Load effect: CV≤0.01%+3mV(I≤3A) CC≤0.2%+3mA(I≤3A) CV≤0.02%+5mV(I>3A) CC≤0.2%+5mA(I>3A)*Ripple and noise: CV≤1.0mVrms(I≤3A) CC≤3mArms(I≤3A) CV≤2.0mVrms(I>3A) CC≤6mArms(I>3A) *Protection Type: Overcurrent Protection (OCP) Overvoltage Protection (OVP)* Display accuracy: Voltage indication accuracy: ± (0.5% + 2 words)

  • 19 ″ DC Laboratory Power Supplies

    ET System Electronic GmbH

    *Power from 750W to 2.4kW*Output voltage up to 1200V*Output current up to 160A

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