#How do you use cen tech 7 function digital multimeter how to#
How to Use a Multimeter in Measuring CurrentĬurrent, on the other hand, refers to the amount of electricity that flows in a circuit. Power the equipment and read the display that you can find in the multimeter.On the other hand, if you are measuring DC, be sure to observe polarity. If you are measuring AC voltage, you can now place it in the component without the need to pay attention to polarity.Turn on the dial on the voltage that you intend to measure. Determine whether you are measuring AC or DC voltage.Before doing this, make sure as well to turn off the power to the wire or circuitry. Insert the black probe into the COM port, which is the common terminal, and the red probe in the VΩmA port, which is specifically the port for the measurement of voltage and ohms. Start with connecting the multimeter to the circuit.Here is how you can use your multimeter for the measurement of voltage: Voltage is indicated in “V” and measured as volts. The harder the push of the electricity is, the higher will be the voltage. Voltage refers to how hard electricity will be pushed in a circuit. How to Use a Multimeter in Measuring Voltage Clueless on how to use this equipment? Keep on reading and learn from the insights that we will be sharing. To be specific, it will be useful for the measurement of voltage, current, and resistance. It is a multi-functional tool as it can provide you with more than just measurements. In a nutshell, a multimeter is simply a device that will provide you with several measurements of electricity. While it can be beneficial, however, this will only be the case if you know how to use a multimeter properly, which will allow you to make the most out of its functions. It can be useful in more ways than one, which makes it a great investment. If the fuses are all still working, there is likely a more serious problem and it may be time to call on an expert.A multimeter is one device that you should have if you like to work with electrical systems. If a device is not working, you should test the fuses. However, some fuses will create that blackened stain after only slightly overheating, and that may have even been the result of an unnoticed incident weeks or months earlier. If the translucent area is blackened, it is usually because the fuse has burned out. They are made clear so that you can see if the wire remains intact. Many types of fuses allow for visual confirmation that the fuse is still functional.Testing fuses with a multimeter is comparatively simple to do, and the equipment involved is cheap and easy to operate. In addition, most car parts can only be tested at repair shops, and to do so will usually cost quite a lot of money. Other components in your car or home involve complex wiring systems that run on for some length. It is easier to test fuses than it is to test other electrical equipment.Testing fuses is the simplest way to examine what is going on in the electrical systems of your car or home, and for that reason, it is a vital skill to possess. Blade fuses plug conveniently into banks, and relatively little space is required to house a large number of them together.
Previously, most vehicles also contained small glass cartridge fuses. They vaguely resemble the plug of a power cord, with two metal prongs emanating from a plastic housing that contains the wire.
If too much power runs through the fuse, it will "burn out," quite literally, and open the circuit, preventing the current from flowing through the circuit. Fuses are really just wires that are designed not to last, but their purpose is to prevent damage to more valuable electrical equipment or prevent fires (especially in homes) caused by power surges.