The multimeter is a commonly used tool for the electricians. It is a combined form of ohmmeter, voltmeter and milliamp meter. Among the two types of multimeter, digital multimeter is the latest addition. It has taken the place of analogue ones. The readings are more precise and accurate than the older ones. You can find a lot of multimeter reviews over the internet that will help you in gathering more information about the tool.
The digital multimeter has become an inseparable part of the automobile industry. It is used for checking the longevity and life of the battery used in the vehicle or other transports. A properly guided use of multimeter can serve you a lot with accurate readings and required value of ohm, voltage or amps.
Before you attempt to use the multimeter for the first time, carefully read and memorize the instructions written on the package. Because of the variation in features and functions, the uses may be different too. Though the instructions are almost the same, reading them will ensure the maximum safety. In this article, we are trying to reveal more secrets and uses of this amazing tool. You will get a lot information mostly on how to use the digital multimeter in our day to day life.
What are the Functions?
The primary use of a multimeter is to get the parameter or value of the electric appliances. It is connected to the tool and helps in having the amount of current, resistance and voltage of the object. For example, the digital multimeter is a common tool for the motor mechanics and the industrial sectors.
The parts of a digital multimeter:
Basically, a multimeter is made by:
- A display: It is mostly an LED which is the best for long term uses. The reading is also clearer than the needle of an analogue multimeter.
- Knob: The knob or dial allows to change the function and fix the measurement accurately.
- Port: To connect the circuit or electrical tools with this device, there are several ports.
The digital multimeter’s dial has two parts. The first part is able to measure the DC or direct current. Another part or side is used for AC or alternating current. The knob or dial is turned clockwise or counter-clockwise to set the preference.
The ports are equipped with probes. One of them is red and other is black. The red probe is the major one for measuring milliamp, volt or ohm.
A good quality multimeter has the feature of auto-ranging. It can detect the expected value or measure of the user. There will be less need of using the approximate value if your multimeter has this setting.
Measuring the Voltage by Using the Multimeter
- At first, you have to set the range on the multimeter. The manual setting will help you in setting up the required voltage of the tool.
- Now put the black and red probes in the attached ports.
- Connect the probes as it is instructed on the guideline of the multimeter.
- Observe the changes on the screen. It will reflect the reading of voltage which you need to know to check the object.
Measuring the Resistance by Using the Multimeter
- The first thing is same for any measurement. You must turn the dial to set the preference and get your expected range. The second thing is to locate the resistor of the electrical object.
- Then, keep the resistor steady to get the reading. The update will be seen eventually on the screen.
- The value will have to be converted into ohm. A digital multimeter has the function to convert the parameter simply by moving the point to the right side.
Measuring the Current by Using the Multimeter
The flow of electricity has the chance to be interrupted by connecting the measuring device. This is why, the difficulty level is more challenging than the previous two tasks. But we have organized the process simply for you.
- Break the circuit by taking away the wire that connects the circuit and power supply.
- The earth connector or the black probe needs to be attached with the wire and the red probe should be connected to the supply of power.
- Before any fluctuation, take the readings on the screen as soon as possible. Average the values and find the most appropriate value of the current.
Measuring the Continuity Check by Using the Multimeter
The continuity test allows the user to know the unnecessary connection in the circuit or electrical object.
- Like the first three measuring methods, set the knob to the mode of continuity.
- Shut down the targeted electrical tool.
- When you touch the earth probe or the black one, a beep tone will come out from the multimeter. It assures the continuity of the object.
Find the most suitable digital multimeter and start measuring the parameters by yourself. Have a nice day!
Jason L.Trevino is a mechanical expert, founder of zoniv.com. He’s interested in sharing tips, tricks and product reviews. By reading his top reviews, customers can easily choose the best and most suitable products for them.