3-30VDC Tester with Voltage-Polarity Readout

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Provides useful debugging and testing in many systems, most notably vehicles, boats, motorbikes, and other 6-24V systems. It provides an accurate voltage readout as well as polarit y check. It’s a more advanced version of a test-lamp used for decades in the automotive industry. Self powered from the test circuit. Features: - Tests powered-on circuits - Works on 6V, 12V, and 24V systems - Stainless steel testing probe - LED Indicators: Green (-), Red (+) - Working Voltage Range: 3V-30V (±0.3V Accuracy) - Operating Current: 12VDC < 70mA Show more