Parts of an analog multi-tester

1. MULTI-TESTER

2. MULTI-TESTER AND WATCH
SIMILARITIES
ANALOG DIGITAL

3. What time is it?

4. MULTI-TESTER or Volt-
Ohm-Milliameter
an instrument designed to measure
electric current (milliampere),
voltage, and resistance, typically it
has over several ranges of value.

5. TYPES OF MULTI-TESTER
ANALOG DIGITAL

6. POINTER
ADJUSTMENT
SCREW
RANGE SELECTOR
KNOB
SCALE
ZERO OHM
ADJUSTING KNOB
TEST PROBES
MULTI-
TESTE
R
PARTS

7. SCALE
IT HAS SERIES OF MARKINGS WITH
CORRESPONDING NUMBERS THAT
ARE USED TO READ THE VALUE OF
A QUANTITY.

8. POINTER
ADJUSTMENT
SCREW
RANGE SELECTOR
KNOB
SCALE
ZERO OHM
ADJUSTING KNOB
TEST PROBES
MULTI-
TESTE
R
PARTS

11. POINTER
IT IS A NEEDLE SHAPED ROD
THAT MOVES OVER THE SCALE OF
THE METER.

12. POINTER
ADJUSTMENT
SCREW
RANGE SELECTOR
KNOB
SCALE
ZERO OHM
ADJUSTING KNOB
TEST PROBES
MULTI-
TESTE
R
PARTS

14. RANGE SELECTOR KNOB
IT MAKES POSSIBLE TO SELECT
DIFFERENT RANGE OR FUNCTION
OF THE METER.

15. OHMMETE
R
FUNCTION
DCV
FUNCTION
MILLIAMPE
RE
FUNCTION
ACV
FUNCTION

16. ADJUSTMENT SCREW
THIS IS USED TO SET THE
POINTER AT THE LEFT ZERO
SCALE POSITION.

17. POINTER
ADJUSTMENT
SCREW
RANGE SELECTOR
KNOB
SCALE
ZERO OHM
ADJUSTING KNOB
TEST PROBES
MULTI-
TESTE
R
PARTS

18. TEST PROBES
THE TWO TERMINALS ARE USED
TO CONNECT THE METER TO THE
ELECTRICAL COMPONENTS BEING
TESTED.

20. ZERO-OHM ADJUSTMENT KNOB
IT IS USED TO ZERO-IN THE
POINTER BEFORE MEASURING
RESISTANCE.

21. POINTER
ADJUSTMENT
SCREW
RANGE SELECTOR
KNOB
SCALE
ZERO OHM
ADJUSTING KNOB
TEST PROBES
MULTI-
TESTE
R
PARTS

22. LET’S FIND OUT IF
YOU CAN RECALL
THE PARTS OF THE
MULTI-TESTER!

23. MULTI-
TESTE
R
PARTS

24. POINTER
ADJUSTMENT
SCREW
RANGE SELECTOR
KNOB
SCALE
ZERO OHM
ADJUSTMENT
KNOB
TEST PROBES
MULTI-
TESTE
R
PARTS