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  • Photo by Sicnag - 1981 Delorean DMC-12 Time Machine, CC BY 2.0 (https://commons.wikimedia.org/w/index.php?curid=72839224)

    Zero-Flux Current Sensors: Like in "Back to the Future"?

    cookmesomekai
    cookmesomekai
    Do you remember the "flux capacitor" that Doc Brown invented in "Back to the Future"? It was the core component in that iconic DeLorean which - after supplying it with 1.21 GW of energy - would allow Marty McFly to travel through time. The "flux capa...
    • 30 Apr 2024
  • HIOKI: Sensing Current since 1971

    HIOKI: Sensing Current since 1971

    cookmesomekai
    cookmesomekai
    The history of current sensors developed by HIOKI represents a journey of innovation and technical advancement in the field of electrical measurement. HIOKI, established in Japan in 1935, has been a pioneer in the electrical measurement industry, foc...
    • 29 Mar 2024
  • DC Current Measurement and Bandwidth

    DC Current Measurement and Bandwidth

    cookmesomekai
    cookmesomekai
    All you needed was a precise sensor to measure DC current, and after talking to HIOKI you ended up ordering a 10MHz AC/DC current sensor... Does HIOKI employ sales magicians who can sell ice to eskimos? Or does bandwidth simply also matter when measu...
    • 6 Mar 2024
  • Analysing Batteries using EIS

    Analysing Batteries using EIS

    cookmesomekai
    cookmesomekai
    The evolution of battery technology in the last decades has allowed the development of many applications which simply wouldn't exist otherwise. Of course, one of the first things that comes to mind are electric cars. But what about battery powered va...
    • 6 Mar 2024
  • Current sensors: How much is the drift?

    Current sensors: How much is the drift?

    cookmesomekai
    cookmesomekai
    Some time ago HIOKI created a short video in which we briefly compared hall-sensor based current sensors with fluxgate based sensors: https://youtu.be/OrmbFCCWrhI In the video I said that "every hall sensor in the world has a DC drift" and ...
    • 13 Nov 2023
  • Low resistances: Key to high performance batteries

    Low resistances: Key to high performance batteries

    cookmesomekai
    cookmesomekai
    To be firmly pushed back into your seat when kicking down the “accelerator pedal” in an electric sports car, the high-voltage battery pack needs to feed a high current to the electric drive motor. This in turn requires batteries that have...
    • 2 Oct 2023
  • Measuring contact resistance between 18650 battery and busbar

    A dedicated resistance meter? Here is when it makes sense...

    cookmesomekai
    cookmesomekai
    Measuring DC resistances is one of the functions pretty much every bench multimeter provides. Then why would you need a separate resistance meter? One of the best digital multimeters available on the market offers a lowest resistance range of 1 Ohm. ...
    • 21 Sep 2023
  • HIOKI's SW9001 multiplexer

    Choosing the right cables for HIOKI's multiplexers

    cookmesomekai
    cookmesomekai
    This posts looks at HIOKI's multiplexers SW1001 / SW1002, measurement prinnciples and typical instruments as well as which cables to choose to connect the multiplexers to the DUTs
    • 10 Sep 2023
  • Get HIOKI’s most popular DMM free of charge when you buy HIOKI’s most popular battery tester

    Get HIOKI’s most popular DMM free of charge when you buy HIOKI’s most popular battery tester

    cookmesomekai
    cookmesomekai
    For a limited time only:Get HIOKI’s most popular DMM free of charge when you buy HIOKI’s most popular battery tester Nobody notices them when they work, but many people feel the effect when they fail: Batteries used as backup source or...
    • 20 Apr 2023
  • What's special about HIOKI's AC Leakage Current Clamps?

    What's special about HIOKI's AC Leakage Current Clamps?

    cookmesomekai
    cookmesomekai
    No matter if they are based on hall-sensor or zero-fluxgate technology: HIOKI is famous for their high-end AC/DC current sensors - and they have been for many years. Given that history and experience, it is not surprising that HIOKI also offers a lar...
    • 9 Apr 2023
  • HIOKI DT4282 vs FLUKE 189

    cookmesomekai
    cookmesomekai
    HIOKI products usually get a lot of praise in tear-downs regarding the build quality. It's not really that surprising, considering that HIOKI is ran by engineers and the products are made in HIOKI's own factory near Nagano, Japan - in the sam...
    • 19 Jul 2021
  • Why a milli-ohm meter is a great tool when working on hybrid or electric cars

    cookmesomekai
    cookmesomekai
    Here is a fantastic summary why a milli-ohm meter is a great tool when working on hybrid or electric cars. The video was created by Professor John D. Kelly from Weber State University and we couldn't have explained this any better...   www.youtu...
    • 7 Jul 2021
  • Multimeters don't have to be yellow

    cookmesomekai
    cookmesomekai
    Any idea for a hashtag? #MultimetersDontHaveToBeYellow is probably a bit long. Our favourites so far are #bluenotyellow and #blueisthenewyellow. But what do you think? If you have an idea then please let us know
    • 21 Jun 2021
  • AC/DC clamp meters versus AC-only models (when measuring AC current)

    cookmesomekai
    cookmesomekai
    If you want to measure the current consumption of a device that runs on a half-rectified alternating current lile a hair-dryer on the "half-power setting" then an AC/DC clamp meter will give you a much more precise reading than an AC-only clamp meter...
    • 13 Jan 2020
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