Multi Tester Parts & Uses
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Transcript of Multi Tester Parts & Uses
![Page 1: Multi Tester Parts & Uses](https://reader034.fdocuments.net/reader034/viewer/2022042518/553db8b0550346903b8b4760/html5/thumbnails/1.jpg)
MULTITESTER
SYSTEMS PLUS COMPUTER COLLEGE
“Commitment to Excellence”
![Page 2: Multi Tester Parts & Uses](https://reader034.fdocuments.net/reader034/viewer/2022042518/553db8b0550346903b8b4760/html5/thumbnails/2.jpg)
ANALOG MULTITESTER
2 KINDS OF MULTITESTER
SYSTEMS PLUS COMPUTER COLLEGE
“Commitment to Excellence”
![Page 3: Multi Tester Parts & Uses](https://reader034.fdocuments.net/reader034/viewer/2022042518/553db8b0550346903b8b4760/html5/thumbnails/3.jpg)
DIGITAL MULTITESTER
2 KINDS OF MULTIESTER
SYSTEMS PLUS COMPUTER COLLEGE
“Commitment to Excellence”
![Page 4: Multi Tester Parts & Uses](https://reader034.fdocuments.net/reader034/viewer/2022042518/553db8b0550346903b8b4760/html5/thumbnails/4.jpg)
MULTIMETERIs an indispensable for a technician as firearms for aSoldier. The interpretation of readings gives technicianClues to trouble-shooting.
SYSTEMS PLUS COMPUTER COLLEGE
“Commitment to Excellence”
![Page 5: Multi Tester Parts & Uses](https://reader034.fdocuments.net/reader034/viewer/2022042518/553db8b0550346903b8b4760/html5/thumbnails/5.jpg)
Zero ohms adjustments:
Use to set the pointer exactlyOn zero position at the right side of meter panel
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Zero corrector:
Use to set the meter pointer toZero position at the left side ofThe meter panel
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Range selector:
It is used to adjust the proper Function range for specific measurement
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Dial pointer
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Dial scale:
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DC voltagerange
Voltmeter: is an instrument is usedMeasuring voltage or potential difference
Observed polarity in measuringDC voltage and current.
Always set at higher range of meter
SYSTEMS PLUS COMPUTER COLLEGE
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AC voltage range
1. Before taking a measurement,the pointer position should beconfirmed to zero on the top ohm scale.
2. With the + and – COM terminalsshorted together, the meter isadjusted by turning the zeroohm adj. to the right or left inorder to place on zero at right.
3. Always set the meter pointer onthe highest range of therefunction, if measuring an unknownvoltage or current.
SYSTEMS PLUS COMPUTER COLLEGE
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Resistance
Ohmmeter : is an instrumentUsed for measuring resistance.
Always remember the:
1. Zero ohms adjustment2. Zero corrector
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Test probe+ & -
SYSTEMS PLUS COMPUTER COLLEGE
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Dial scale
Zero corrector
AC voltage range
Dial selector
resistanceTest prove/socket
DC voltage
Zero ohmsadjustment
Dial pointer
Front panel
PARTS OF MULTITESTER
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Voltmeter:
Is used when it is necessary to determine thepresence or absence of an electrical pressure or voltage on a unit under test.
Tester has two voltmeter functions:
1. AC or alternating current
2. DC or Direct current
SYSTEMS PLUS COMPUTER COLLEGE
“Commitment to Excellence”
![Page 16: Multi Tester Parts & Uses](https://reader034.fdocuments.net/reader034/viewer/2022042518/553db8b0550346903b8b4760/html5/thumbnails/16.jpg)
DC VOLTMETER:
1. When operating on .1 volt range, we utilize the 10 volts scale and Shift the decimal two places to the left. (.01 as multiplier )
Range usedRange used Scale usedScale used Scale readingScale reading multipliermultiplier Actual readingActual reading
DCV/0.1DCV/0.1 0-100-10 4.44.4 .01.01 0.440.44
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Range usedRange used Scale usedScale used Scale readingScale reading multipliermultiplier Actual readingActual reading
DCV/0.1DCV/0.1 0-100-10 4.44.4 .01.01 0.440.44
DCV/.5DCV/.5 0-500-50 2222 .01.01 0.220.22
DC VOLTMETER:
2. If the instrument is operated on 0.5 v range, we utilize the 50 vscale and move the decimal point two places to the left.(.01 as multiplier )
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Range usedRange used Scale usedScale used Scale readingScale reading multipliermultiplier Actual readingActual reading
DCV/0.1DCV/0.1 0-100-10 4.44.4 .01.01 0.440.44
DCV/.5DCV/.5 0-500-50 2222 .01.01 0.220.22
DCV/2.5DCV/2.5 0-2500-250 110110 .01.01 1.101.10
DC VOLTMETER:
3. When VOM is set to 2.5 v range, we use the 250 v scale and shiftthe decimal point two laces to d left ( .01 as multiplier )
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Range usedRange used Scale usedScale used Scale readingScale reading multipliermultiplier Actual readingActual reading
DCV/0.1DCV/0.1 0-100-10 4.44.4 .01.01 0.440.44
DCV/.5DCV/.5 0-500-50 2222 .01.01 0.220.22
DCV/2.5DCV/2.5 0-2500-250 110110 .01.01 1.101.10
DCV/10DCV/10 0-100-10 4.44.4 11 4.44.4
DC VOLTMETER:
4. VOM is operated on 10 v range, we utilize the 10 v scale and read directly or set 1 as multiplier
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Range usedRange used Scale usedScale used Scale readingScale reading multipliermultiplier Actual readingActual reading
DCV/0.1DCV/0.1 0-100-10 4.44.4 .01.01 0.440.44
DCV/.5DCV/.5 0-500-50 2222 .01.01 0.220.22
DCV/2.5DCV/2.5 0-2500-250 110110 .01.01 1.101.10
DCV/10DCV/10 0-100-10 4.44.4 11 4.44.4
DCV/50DCV/50 0-500-50 2222 11 2222
DC VOLTMETER:
5. VOM is operated on 50 v range, we utilize the 50 v scale and read directly or set 1 as multiplier
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Range usedRange used Scale usedScale used Scale readingScale reading multipliermultiplier Actual readingActual reading
DCV/0.1DCV/0.1 0-100-10 4.44.4 .01.01 0.440.44
DCV/.5DCV/.5 0-500-50 2222 .01.01 0.220.22
DCV/2.5DCV/2.5 0-2500-250 110110 .01.01 1.101.10
DCV/10DCV/10 0-100-10 4.44.4 11 4.44.4
DCV/50DCV/50 0-500-50 2222 11 2222
DCV/250DCV/250 0-2500-250 110110 11 110110
DC VOLTMETER:
6. VOM is operated on 250 v range, we utilize the 250 v scale and read directly or set 1 as multiplier
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Range usedRange used Scale usedScale used Scale readingScale reading multipliermultiplier Actual readingActual reading
DCV/0.1DCV/0.1 0-100-10 4.44.4 .01.01 0.440.44
DCV/.5DCV/.5 0-500-50 2222 .01.01 0.220.22
DCV/2.5DCV/2.5 0-2500-250 110110 .01.01 1.101.10
DCV/10DCV/10 0-100-10 4.44.4 11 4.44.4
DCV/50DCV/50 0-500-50 2222 11 2222DCV/250DCV/250 0-2500-250 110110 11 110110DCV/1000DCV/1000 0-100-10 4.44.4 100100 440440
DC VOLTMETER: 7. VOM is operated on 1000 v
range, we utilize the 25 v scale andshift decimal point two places to d right ( 100 as multiplier )
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Range usedRange used Scale usedScale used Scale readingScale reading multipliermultiplier Actual readingActual reading
DCV/0.1DCV/0.1 0-100-10 4.44.4 .01.01 0.440.44
DCV/.5DCV/.5 0-500-50 2222 .01.01 0.220.22
DCV/2.5DCV/2.5 0-2500-250 110110 .01.01 1.101.10
DCV/10DCV/10 0-100-10 4.44.4 11 4.44.4
DCV/50DCV/50 0-500-50 2222 11 2222
DCV/250DCV/250 0-2500-250 110110 11 110110DCV/1000DCV/1000 0-100-10 4.44.4 100100 440440
DC VOLTMETER
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AC VOLTMETER READING
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Range Range usedused
Scale Scale usedused
Scale Scale readingreading
multipliermultiplier Actual Actual readingreading
ACV/10ACV/10 0-100-10 2.42.4 11 2.42.4
ACV/50ACV/50 0-500-50 1212 11 1212
ACV/250ACV/250 0-2500-250 6060 11 6060
ACV/1000ACV/1000 0-100-10 2.42.4 100100 240240
AC VOLTMETER READING CHART
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DC CURRENT METER
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RANGE RANGE USEDUSED
SCALE SCALE USEDUSED
SCALE SCALE READINGREADING
MULTIPLIERMULTIPLIER ACTUAL ACTUAL READINGREADING
DCA/50 UADCA/50 UA 0-500-50 3232 11 32UA32UADCA/2.5MADCA/2.5MA 0-2500-250 160160 .01.01 1.6MA1.6MA
DCA/25 MADCA/25 MA 0-2500-250 160160 .01.01 1.6MA1.6MA
DCA/.25ADCA/.25A 0-2500-250 160160 .001.001 .16A.16A
1. 50 Micro ampere range, we utilize the 50 v scale and read directly
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RANGE RANGE USEDUSED
SCALE SCALE USEDUSED
SCALE SCALE READINGREADING
MULTIPLIERMULTIPLIER ACTUAL ACTUAL READINGREADING
DCA/50 UADCA/50 UA 0-500-50 3232 11 32UA32UA
DCA/2.5MADCA/2.5MA 0-2500-250 160160 .01.01 1.6MA1.6MA
DCA/25 MADCA/25 MA 0-2500-250 160160 .01.01 1.6MA1.6MA
DCA/.25ADCA/.25A 0-2500-250 160160 .001.001 .16A.16A
2. To read current in the 2.5ma range, read the 0-250and move decimal point to places to d left
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RANGE RANGE USEDUSED
SCALE SCALE USEDUSED
SCALE SCALE READINGREADING
MULTIPLIERMULTIPLIER ACTUAL ACTUAL READINGREADING
DCA/50 UADCA/50 UA 0-500-50 3232 11 32UA32UA
DCA/2.5MADCA/2.5MA 0-2500-250 160160 .01.01 1.6MA1.6MA
DCA/25 MADCA/25 MA 0-2500-250 160160 .01.01 1.6MA1.6MA
DCA/.25ADCA/.25A 0-2500-250 160160 .001.001 .16A.16A
3. Move decimal point just once to the left
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RANGE RANGE USEDUSED
SCALE SCALE USEDUSED
SCALE SCALE READINGREADING
MULTIPLIERMULTIPLIER ACTUAL ACTUAL READINGREADING
DCA/50 UADCA/50 UA 0-500-50 3232 11 32UA32UA
DCA/2.5MADCA/2.5MA 0-2500-250 160160 .01.01 1.6MA1.6MA
DCA/25 MADCA/25 MA 0-2500-250 160160 .01.01 1.6MA1.6MA
DCA/.25ADCA/.25A 0-2500-250 160160 .001.001 .16A.16A
4. Move decimal point 3 places to d left
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SYSTEMS PLUS COMPUTER COLLEGE
“Commitment to Excellence”
Testing voltage:
From battery whichIs a DC voltage
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PARTS OF MULTITESTER
1
2
34
5
6
7
8
910
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