The Multi-tester / Multi-meter or sometimes called VOM (Voltmeter, Ohmmeter, Milliameter) is a hand-held device that can be use to check resistance, continuity, and voltage in electrical components.
FUNCTIONS:
- measures the following:
- Voltage, alternating and direct, in volts.
- Current, alternating and direct, in amperes.
- Resistance in ohms.
- A multimeter can be useful for basic fault finding and field service work or a bench instrument which can measure to a very high degree of accuracy. They can be used to troubleshoot electrical problems in a wide array of industrial and household devices such aselectronic equipment, motor controls, domestic appliances, power supplies, and wiring systems.
PARTS OF A MULTI-TESTER
ANALOG
pointer;
zero corrector adjustment screw
Zero ohm adjustment; dc volt range;
10 ampere jack; dc ampere range;
(-) common jack; range selector;
positive jack; ohm range;
ac volt range; (-) common (black);
positive (red) test probe
DIGITAL
digital display (LCD);
selector;
positive(+) jack;
2A jack;
common ground jack
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