all-sun Logic Probe Tester Logic Troubleshooting Tester Levels Pulse Detector
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<b>[Product Information]</b><br>
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<li>The unit is powered by the circuit under test. Power Supply by 5 to 15V battery.</li>
<li>This logic troubleshooting instrument will give visual (LED light) and audio indications for logic levels and pulses.</li>
<li>It can also capture positive or negative events as short as 30 nanoseconds.</li>
<li>Portable size but easy to operate.</li>
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