A digital tester is a device that is used to test and measure digital electronic circuits, systems, or components. It usually contains a display screen, input and output ports, and a microcontroller to perform various tests such as continuity, voltage, current, resistance, and capacitance measurements. Digital testers can be handheld or benchtop devices and are commonly used by electronic technicians in various industries such as telecommunications, manufacturing, and automotive to diagnose problems and troubleshoot issues with digital electronics. They often feature advanced functionality including waveform analysis and digital signal processing, which makes them valuable tools for complex electronic testing scenarios.
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