An electrical tester can measure a variety of electrical parameters, from current and voltage to resistance, continuity and beyond. An electrical tester is used by electrical contractors to assess everything from live wires and circuit breakers to electrical panels and power transformers.
⚙️ Key Features:
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Voltage range: AC/DC detection and range (e.g., 12V–600V)
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Safety rating: CAT II, III, IV depending on the environment
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Auto/manual ranging: Especially for multimeters
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Display type: LED, analog needle, or digital LCD
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Non-contact detection: Safer for beginners
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