Digital

Como Usar Multimetro Digital Multimeter, 5 Ways To Use A Digital Multimeter

So… how do I use a multimeter? This tutorial will show you how to use a digital multimeter (DMM), an indispensable tool that you can use to diagnose circuits, lisbdnet.com about other people”s electronic designs, and even test a battery. Hence the “multi”-“meter” (multiple measurement) name.

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The most basic things we measure are voltage and current. A multimeter is also great for some basic sanity checks and troubleshooting. Is your circuit not working? Does the switch work? Put a meter on it! The multimeter is your first defense when troubleshooting a system. In this tutorial we will cover measuring voltage, current, resistance and continuity.

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These concepts may be helpful with this tutorial:

We will be using the lisbdnet.com VC830L throughout the tutorial, but these methods should apply to most multimeters.

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Digital Multimeter – Basic

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The digital multimeter (DMM) is an essential tool in every electronic enthusiasts arsenal. The lisbdnet.com Digital Multimeter, h…

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Digital Multimeter – Basic

In stock TOL-12966

The digital multimeter (DMM) is an essential tool in every electronic enthusiasts arsenal. The lisbdnet.com Digital Multimeter, h…

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USB Power Meter (Color TFT LCD)

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This USB Power Meter is a versatile tool that can provide voltage, current, capacity, and impedance displayed on the built-in…

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Smart SMD Tester

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This smart SMD tester is essentially a pair of multimeter tweezers. This allows you to troubleshoot circuits with small SMD p…

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USB Digital Multimeter – Auto-Ranging (RS232 Output)

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It seems like everything plugs in to your computer these days, and this digital multimeter is no exception. This auto-ranging…

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Parts of a Multimeter

A multimeter is has three parts:

DisplaySelection KnobPorts

The display usually has four digits and the ability to display a negative sign. A few multimeters have illuminated displays for better viewing in low light situations.

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The selection knob allows the user to set the multimeter to read different things such as milliamps (mA) of current, voltage (V) and resistance (Ω).

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Two probes are plugged into two of the ports on the front of the unit. COM stands for common and is almost always connected to Ground or ‘-’ of a circuit. The COM probe is conventionally black but there is no difference between the red probe and black probe other than color. 10A is the special port used when measuring large currents (greater than 200mA). mAVΩ is the port that the red probe is conventionally plugged in to. This port allows the measurement of current (up to 200mA), voltage (V), and resistance (Ω). The probes have a banana type connector on the end that plugs into the multimeter. Any probe with a banana plug will work with this meter. This allows for different types of probes to be used.

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