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Q: What is the correct way to read the result on the meter scale?
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Why the zero of the ohmmeter scale is usually at the right end of the scale and reading increase towards the left?

Because the meter is actually measuring the current through the resistor, and the two quantities ... current and resistance ... are inversely proportional. So when the meter measures more current, it has to read less resistance, whereas higher resistance will result in less current. So the numbers for resistance have to be printed "backwards" on the meter scale.


There is only 20 volts not 120 volts on outlet that was fine the day before.?

This is strange, check the scale on your meter that you are reading, to make sure that you are on the correct voltage scale. If the reading is correct the suggestion would be to get an electrician to look into why there is such a voltage drop on the outlet. Don't read the voltage across the device, read the voltage from the "hot" wire to ground. That should be 120 volts. If you get that reading then there is a problem with the neutral. It could be loose or have a high resistive condition.


How do you read a forcemeter?

To read a force meter, you simply look at the measurement displayed on the dial or digital screen. Make sure to note the units of measurement (usually Newtons) and the scale of the meter to interpret the force applied accurately.


If you reverse the flow on a water meter will it turn the meter backwards?

Yes, a water meter will run backwards. Running your meter backwards is stealing and could result in your service being diconnected and or a fine. Modern meters that are read via radio signals are sofisticated electronic instruments and will report leaks and reverse flows when read. So if your meter is a radio read type you had better not mess with it.


What are parallax errors in a scale?

When a readng is taken from an analog meter, the pinter must be viewed correctly as it is a short distance away from the scale, so if read from one side, an error of several divisions will occur. To avoid this error the meter should be read from a position directly above the pointer. To help avoid this error most meters have a mirror in the scale so that the error may be dicerned more readily.


Can the elecompten read a meter in there office when your meter is broke?

Nope, when the meter's broke there ain't no-one can read it.


How do you test 220 volts using a volt meter?

Make sure that the test meter is on the correct voltage scale. Place one lead on one of the conductors to be tested and the other lead on the other voltage source conductor. The reading you obtain will be the voltage potential between the two conductors.


How do someone read a medical mechanical scale?

How do you read a medical mechanical scale?


What is the meter reading for a forward biased diode is likely to be when using the diode test range of a digital multimeter?

A: Nobody can answer that. It depends on the diode, battery on the meter, scale of the meter. It should never read zero or close to zero ohms and reversing the lead it should just be close to open but it may read some hi k ohms. A meter test is just to find shorted diodes and extremely leaking diode.


How do you check alternator 1998 wrangler?

The charging system could be checked at the battery using a volt meter ,place the red lead on the positive terminal the black on the negative ,then set the scale to at least 20 volt scale then start the jeep and read the meter over 12.8 volts is okay 15 volts is to high.


How do I read the electrical testers that I own?

The first step in reading your electrical tester is to determine what type of circuit you are testing and set the meter accordingly. Next you determine the suspected range of the circuit you are testing and set your meter to at least ten times that amount. The red wire is then connected to the positive connection and the black wire is connected to the negative or ground connection. You then read the number from the scale you are working with. For example, the red scale is for AC (houses) and the black scale is for DC currents (car, boat, or RV) Finally, you read the resistance by determining the Ohm reading on the very top scale of black numbers. The amps are determined the same way as voltage.


What is the result on the meter reading of clamping the jaws of a clamp on ammeter around two wires?

If the two wires are on a parallel feed you would read the current through the parallel feeders. If the two wires are "hot " to the load and return back from the load the meter will read zero. The two magnetic fields that surround the wires when a current flows through them will cancel each other. As a result of this there will be no magnetic induction induced into the sensing coil of the clamp on meter.