How To Use Digital Multimeter?

How To Use Digital Multimeter?

how to use a digital multimeter step by step

A multimeter is also called as VOM, which is further expanded as Volt-Ohm Meter. This device is helpful in calculating the power, energy, and confrontation in electronic circuits. Some models that come under the category of multimeter will also help with testing continuity and diodes. The many uses of this device make it a must have for individuals engaged in analyzing and fixing electronic circuits.

If you are thinking how to use digital multimeter, here is guide on how to use this device for different applications:

To measure resistance:

For doing this, you will have to initially unite the device to the circuit. You will find two probes in your meter; the black one should be connected to the common terminal, while the red one should be attached to the terminal that is meant for calculating ohms and volts. The latter can also be helpful in testing diodes. The next thing you will have to do is to rotate the selector knob in such a way that the multimeter can be set to calculate the resistance. Thirdly, you will have to turn off energy to the circuit. Before measuring, it is better to get rid of the resistor that you wish to measure as its presence might not give you the right reading. Then, get in contact with the ends of the probes to each side of the resistor. Finally, read the monitor in your digital meter and take a note of the resistance value.

To measure voltage:

When it comes to measuring voltage, you will have to initially unite the device to the circuit. Similar to the previous details, connect the black and red probes. Then, you will have to set the meter to the voltage that you wish to measure. However, if your measuring unit has an auto-range function, it is not essential to choose the voltage that you intend to calculate. When you want to get the value of AC voltage, you will have to do the same by placing the probes across the component. On the other hand, if you intend to measure polarity, this step is not essential. When you are calculating millivoltage or DC voltage, you will have to monitor polarity. Here, the measurement should be done by placing the red probe on the positive side and the black probe on the other side.

Finally, see the display and take care to note down the units.

To calculate current:

If you are thinking how to use the digital multimeter for calculating current, you will have to initially select either the terminal that is marked to calculate 10 amps or the one that is marked for calculating 300 milliamps. If you are not sure of the amps, you can just start with the former terminal until you are sure that it is less than 300 milliamps. Then, you will have to place the multimeter in such a way that it can measure current. Never forget to turn off the power to the circuit in this process. Then, break the circuit and house the probes on both sides of the break to take a note of the polarity. Now, turn on the power and can read the display.

Now, you know how to use the digital multimeter for different purposes. Make the best use of the meter.

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