Basic Electronics (Chapter 2)
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.
