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Test Equipment Multimeters

Digital and analog multimeters let you test a variety of electrical tools, appliances, and circuits. These devices allow you to check voltage, resistance, and many other values. Whether you need a model for small tasks or models for big commercial jobs, digital and analog multimeters give you the tools you need.

What are the basic types of multimeters?

Multimeters are electronic tools that you use to test various electrical values, such as voltage, resistance, capacitance, and current. The two basic kinds of meters are analog and digital. Analog meters use graphic readouts called ammeters to give you information. The ammeter uses a needle and a dial to represent various functions and values. Digital multimeters use LCD digital readouts to give you data. They present the values as whole numbers on the screen, a factor that makes reading them simple.

What are the benefits of digital multimeters?

Digital multimeters give you a few important perks that include:

  • Oscilloscope: These screens show frequency, amplitude, and other electromagnetic values.
  • Automatic range finding: This feature picks the range and test category for you.
  • Automatic polarity checking: This feature tells you if the voltages are positive or negative.
What should you look for in a digital multimeter?

Different multimeter models bring different benefits to the table, and you should look for the following features in models that interest you.

  • High resolution and accuracy: The resolution and accuracy levels let you know how finely they can measure electrical values. Much like video screens, the higher the resolution of your multimeter, the more detailed the data it gives you. With that in mind, you should choose models with the highest possible resolution and accuracy.
  • Sensitivity: When you connect your meter to a source of current for testing, the meter itself affects the readings due to natural resistance. Sensitivity features give you feedback about the small fluctuations caused by your meter, making your overall calculations precise.
What types of probes are there?

Multimeter test probes come in a few basic varieties, including:

  • Tweezer probes.
  • Banana jacks.
  • BNC connectors.
  • Crocodile clips.
  • Binding posts.
Which electrical measurements can you make with digital multimeters?

You can make many types of measurements with multimeters. Some possible uses include:

  • Testing direct current voltages: Most batteries use DC for power.
  • Testing alternating current voltages: Most of your appliances use AC current.
  • Testing resistance: You measure resistance in units of ohms. Lower test values mean lower resistance.
  • Testing continuity: Electricity cannot pass through circuits with broken or damaged wires. Your multimeter indicates this with the open circuit feature, or with the infinity symbol. In contrast to this, your multimeter gives you a closed circuit signal when all is well with your tests.
What are some things you can test with multimeters?

You can test most electric circuits and devices with your digital multimeter. For example, you can use your meter to test your toaster, blender, microwave, and other appliances. You can also use your meter to test larger objects like the wiring in your house, your car, or boat.

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