Today, let's use the volts function on our multi-meter in order to portion voltage. Alternative vigor resources sometimes requires circuits you may not be well-known with. Don't take chances. vigor solutions are in your hands.
First, let's set our multi-meter to the highest range we have in case,granted for. Lots of times we will find that the voltage we have to portion is unknown. So why do we start out with the highest range possible? Because we want to be particular to not damage the machine and so set our machine to portion the highest range possible. We can all the time move down to a lower range. Electricity can be dangerous. To us as well as our machine.
Clamp Meter
The meter (not to mention us) cannot be damaged if we have set it too high. We will naturally note that we must move it down.
For example, if we set our meter to a 50 volt range and then plug into a household circuit of 120 volts, we could damage our machine (or us). So here's the point: all the time start high, and work down to the lowest range to be safe.
Next, place the black probe into the "Com" or "-" jack.
Then we will insert the red probe into the "V" or "+".
Now find your voltage scale. You may have more than one with dissimilar maximum values. You have a selector knob with which to resolve the voltage scale that you want to read. Look at this so you will understand what I am saying. With the range chosen the selector will resolve which scales of the voltage scales you will read. Unlike the Ohm scales we discussed the other day, the voltage scales are linear. It is definite in any place along its length. As you look at this you will be able to see that reading twenty volts on the 50 volt scale would be easier than the same twenty volts on the two hundred and fifty volt scale.
Let's test a base electrical outlet. If you are in the United States, you will probably find outlets with either 120 volts or even 240 volts. If not, the estimate might vary considerably.
Let's walk over to one of our typical American 120 volt outlets. Push the black probe into one of the right electrical slots. It should almost "connect" in the slot like a plug would. The relationship will grip it. Next push the red probe into the other slot. Check you meter now and you should be able to read a estimate almost exactly one hundred and twenty volts.
Now take off the probes and and rotate your selector now to the lowest range potential Greater than the voltage we just registered. Now reinsert the probes and you might find in any place between one hundred and ten to maybe one hundred and twenty five volts. See?
The range of the meter is important to accumulate any definite measurements. If your pointer did not move it is potential that you had the machine set on Dc instead of Ac. The Ac and the Dc are not compatible. It must be set correctly. Failure to do this could cause a Deadly mistake. all the time watch what you are doing. Be sure to try both modes if the pointer does not move. all the time check high.
Here's an important advice for safety: whenever possible, try to connect one of the probes so that it will not be required for you to hold both while development the test. safety first. Time is a secondary matter.
Some meters have accessories that might comprise things like alligator clips or any type of electrical clamp that allows you to minimize your contact with the electrical circuit. anything that reduces your contact with the circuit will also sacrifice the chances of sustaining burns or any other injuries.
The looming vigor transition will require you to take electronics into your own hands in ways that you might never have considered.
Your families depend on you. Do the right thing. But do it!
And do it Safe!!
Home Power Generator scheme - Measuring Voltage Using the Volt Function of the Multi-Meter
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