Basic Electronics (Chapter 2)

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Zero Resistance

Short connection

Black and -

The _____ probe to the _____ COM jack.

Red and +

The _____ probe to the _____ jack

Ohmmeter

The batteries are needed to operate your _____

Voltage, Resistance and Current

The most frequently measured electrical parameters are the _____, _____, and _____.

Needle Rests and Deflects

You should see the _____ on the left side in the infinity position and _____ to the zero position when the tips of the meter leads/probes are touching.

Electronics Test Instruments

_____ are vital instruments that are often used for troubleshooting, repairing, and analyzing the operation of a specific device.

Ohmmeter

is an instrument used for measuring resistance.

Low Powered Battery and Replaced Battery

If nothing happened, the most possible causes is, _____ inside the tester, _____

Clockwise or Counter Clockwise

If pointer is not resting properly at the infinite position adjust by turning the zero corrector or infinite corrector screw _____ or _____ direction.

Voltmeter

Is an instrument used measuring voltage or potential difference

dial Selector

It is used to adjust the proper function range for specific measurement

Infinite Resistance

Open connection or open resistance

Multimeter and VOM

Other names for multitester.

Analog and Digital

2 kinds of multitester

Ohm Adjustments and 0

Adjust the _____ in clockwise or counter clockwise every rest exactly at _____ ohm reading.

DC Voltage Range

Always set at higher range of meter

Highest

Always set the meter pointer on the _____ range of there function, if measuring an unknown voltage or current.

Leak and Cause Damage

Bad batteries can _____ and _____

0

Before taking a measurement the pointer position should be confirmed to _____ on the top ohm scale

Multitester

Best instrument that can measure voltage, resistance, and current.

Zero Position or Infinite position

Check if the pointer rests at the _____ or _____ at the ohmmeter range.

Touching

Check the accuracy of the ohmmeter by _____ the two test probes

test probe

Connect the _____ to the appropriate jack.

Jar, Manhandle, Drop or Pile

Do not _____, _____, _____ or _____ tools or anything else on your meter.

Depleted Batteries

Do not let _____ remain in your meter.

Wet and Damp

Do not let your multimeter get _____ and never store it in a _____ place

When not in use or When in storage

Do not let your ohm meter set on any of the resistance ranges _____ or _____. Turn of etc.

Accidentally Knock It Over or Pull It To the Floor

Do not place your multimeter in a place where you may _____ or _____.

Magnetized Objects

Don't let _____ near your meter.

Defective

The pointer deflects while holding the two test probe at x1 or x10 ohm selector range indicating the Multitester in ohmmeter was _____

Deflect , x1, and x10

The test probe should not _____ when holding the two test probe at _____ or _____ ohm range.

Run Down

This can cause the battery in the meter to _____.

Accuracy

This may permanently decrease your meter's _____.

Meter Movement

Touch the probes together multiple times to see the _____.

Zero corrector

Use to set the meter pointer to zero position at the left side of the meter panel

Zero Ohms Adjustments

Use to set the pointer exactly on zero position at the right side of the meter panel.


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