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General| Category | Multimeter |
|---|---|
| Model | GMT-12A |
| Brand | Gardner Bender |
| Continuity Test | Yes |
| Diode Test | Yes |
| Battery Type | 9V |
| Battery Test | 1.5V, 9V |
| Auto Power Off | No |
| Low Battery Indicator | Yes |
| Functions | Voltage, Current, Resistance, Continuity, Diode Test |
| Display | LCD |
Emphasizes extreme caution and safety precautions when working with electrical circuits and the multimeter.
Guides on seating test leads and using the mechanical zero adjustment screw for accurate needle alignment.
Instructions on checking internal battery condition before resistance tests and when to replace it.
Procedure for testing automotive batteries, checking terminal connections, and assessing voltage drop.
Procedure for testing alternator/generator output voltage while the engine is idling.
Instructions for testing household batteries using the 10V DC range and identifying their condition.
Steps for testing voltage and grounding of wall receptacles using the 250V AC setting.
Procedure for measuring voltage between slots and hot sides of appliance receptacles.
Method for testing circuit breakers by measuring AC voltage at the breaker terminal.
Testing extension cords for breaks or open circuits using the Rx1K resistance range.
Checking appliance cords for continuity, broken conductors, or open circuits.
Testing fuses for continuity by measuring resistance across their terminals.
Testing various types of switches for continuity when in the ON position.
Troubleshooting heating elements by checking for continuity (low ohms).
Testing thermostat contact points for continuity (zero ohms) when in the OFF position.
