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デジタル・マルチメーター

最近の話題

  • Dual impedance digital multimeters

    デジタルマルチメーターの正確性と精度が重要な理由

    正しく測定を行えるマルチメーターを使用することが重要です。これらの測定値の意味を知ることは、さらに重要です。正確性と精度により、取得した測定値が有用であることが保証されます。精度が高いほど再現性が向上し、正確性が高いほど測定値が完璧に近いことを意味します。
  • How to Measure DC Voltage with a Multimeter

    How to measure dc voltage with a digital multimeter

  • How to measure current with a clamp accessory

    How to measure current with a clamp accessory

    How to measure current with a digital multimeter plus clamp accessory.

  • Multimeter glossary

    Multimeter glossary

    Common Terminology and Abbreviations for DMM Products
  • DMM対クランプメーター

    DMM対クランプメーター

    クランプメーターは、DMMで適用のミリ単位ではなく、小数第2位を四捨五入した単位で測定します。
  • Facts about true-rms measurement

    Facts about true-rms measurement

    Expert Chuck Newcombe compares digital multimeters of yesterday with today's DMMs with true-rms ac measurement capability. Get the facts about the subtle points you should know when making rms measurements.

  • 無負荷での整流器の測定

    無負荷での整流器の測定

    189は、2つの方法で交流電圧を測定できるFluke初の携帯式DMMでした。交流電圧機能では、測定機能が大部分のFluke製DMMと基本的に同じでしたが、189では、直流電圧機能で交流電圧を測定することもできます。
  • Solid ground: Increasing parallel conductor ampacity

    Solid ground: Increasing parallel conductor ampacity

    The most popular reason for paralleling conductors is to provide higher ampacity than a single conductor can provide. "In a typical building design, the largest conductors are usually 500 kcmil or 600 kcmil". "And many electrical contractors will actually object to 600 kcmil. If ampacity above 400 A is necessary, using parallel conductors is the only reasonable solution.

  • Back to basics: Pre-emptive troubleshooting and testing of class 2 and 3 alarm circuits

    Back to basics: Pre-emptive troubleshooting and testing of class 2 and 3 alarm circuits

    HSI Security Systems installs, maintains and monitors electronic life-safety systems throughout Northwest Oregon and Southwest Washington. We're an electrical contractor that specializes in low voltage systems and rudimentary electrical controls.

  • 87V MAX with totally waterproof and dust proof IP67 case

    Fluke 87V Digital Multimeter vs Fluke 87V MAX Multimeter

    Compare IP rating, battery life and other features. What is the difference between the Fluke 87V MAX and the 87V digital multimeter?
  • Fluke 279 FC Thermal Multimeter

    Five reasons you need a multimeter with a built-in thermal imager

    If you’re an electrician or technician who is responsible for keeping industrial systems and processes up and running safely, efficiently, and cost effectively you know that the quicker you can find a problem, the quicker you can fix it.
  • Dual impedance digital multimeters

    Dual impedance digital multimeters

    Find out what dual impedance and voltage detection are and why it's good to have them built into your multimeter. Find out about impedance basics, ghost voltages, non-contact voltage detection and the absence or presence of voltage testing.

  • Testing your test leads

    Testing your test leads

    Checking your test leads to make sure they are in good condition and rated for the job at hand is the best insurance for accuracy and safety

  • VFD troubleshooting at a water-quality plant

    VFD troubleshooting at a water-quality plant

    A Florida county water utilities department uses Fluke tools to measure VFD output filtering, Min/Max frequency, phase-to-phase voltage imbalances and motor insultation resistance checks.

  • Everyday troubleshooting with the Fluke 116 DMM

    Everyday troubleshooting with the Fluke 116 DMM

    Read success stories from ONSITE PC Assitance owner Robert Johns. Working on mostly low voltage equipment for home offices and small-to-medium business, Johns uses the Fluke 116 to measure for low voltage, auto-ranging and min/max temperature.

  • Fluke 289/FVF helps to develop high-voltage sources

    Fluke 289/FVF helps to develop high-voltage sources

    Founded in 1997, LIFETECH S.R.O. develops, designs and distributes equipment for water and air treatment and purification. The company also services its equipment, as well as equipment made by other manufacturers. Lifetech has about twenty employees overall, with five in the Development Department.

  • Choosing the correct fuse for your tester

    Choosing the correct fuse for your tester

    Find out what the hidden dangers of making voltage and current measurements with a tester that does not have the fuse protection that was designed into the tester - dangers than can cause serious burns, and possibly even death.

  • Under-utilized functions: How to use fast/peak min/max on your DMM

    Under-utilized functions: How to use fast/peak min/max on your DMM

    Understand how to use under-utilized functions on your DMM such as Fast/Peak and Min/Max.

  • Troubleshooting robotic equipment

    Troubleshooting robotic equipment

    Troubleshooting robotic equipment with the Fluke 175 True RMS Digital Multimeter at Briggs & Stratton plant; manufactures small engines for generators, pumps, pressure washers

  • Fixing food processing problems with onsite, onscreen DMM trending

    Fixing food processing problems with onsite, onscreen DMM trending

    Making sure that equipment delivers peak performance at all times requires ongoing troubleshooting on the part of maintenance technicians. Depending on the size and scope of the facility, operations will change over and produce many different products and packages in varying size runs.

  • Event recording (or logging) with a Fluke 287/289 digital multimeter

    Event recording (or logging) with a Fluke 287/289 digital multimeter

    The application note explains what kind of logging these meters can perform, how to use the recording feature, and the information that can be provided to you. This note also discusses how FlukeView Forms PC software is used to increase the power of the Recording feature.

  • Fluke DMMs in Antarctica

    Fluke DMMs in Antarctica

    Astronomers from the University of New South Wales (UNSW) in Australia have been working in Antarctica's interior since 1996. In collaboration with astronomers from France, Italy and the United States, they're seeking the perfect location for the next generation of deep-space telescopes.

  • Industry first combines thermal imager with digital multimeter

    Industry first combines thermal imager with digital multimeter

    The latest technology available combines a digital multimeter with a thermal imager and adds wireless capabilities so measurements can be taken from a safe distance, saved and even stored in secure data centers for later analysis.

  • Wind park engineer goes sky high to troubleshoot

    Wind park engineer goes sky high to troubleshoot

    A Canadian engineer keeps wind farm in New Brunswick up and running by using a Fluke multimeter.

  • How a few good test tools saved motor replacements at a pulp and paper company

    How a few good test tools saved motor replacements at a pulp and paper company

    Few things are as disposable as paper towels. But the next time you nonchalantly toss away (or compost) a paper towel, keep in mind that there's a lot more to it than meets the eye.
  • 60 years of Fluke innovation

    60 years of Fluke innovation

    In 1949, a bright engineer named John Fluke devised an alternative to the cumbersome and difficult analog meters he worked with and sold his invention to GE.In 1955 he and his team came up with the idea for the differential voltmeter as a means to solve a production problem - to improve production efficiency.

  • How robust is your handheld meter?

    How robust is your handheld meter?

    In the world of handheld digital multimeters, maintenance professionals are being deluged with new models, new manufacturers, new functionality, claims about ruggedness, claims about water- and dust-resistance - the list goes on and on.

  • Tough Fluke tools

    Tough Fluke tools

    Read harrowing true stories about extreme testing experiences with Fluke tools.