DY4100 Digital Resistance and Voltage Tester Key benefits - Clear readings on a LED LCD display for quick, reliable measurements in various lighting conditions. - Four resistance ranges (0, 20, 200, 2000 ohms) to cover common components used in electronics. - Measures voltage up to 30 V with an accuracy of ±3%, enabling simple low-voltage circuit checks. - Compact handheld design suitable for bench use, repairs, and field testing. - Straightforward operation provides fast results without unnecessary steps. - All-in-one testing tool to simplify basic electronics work and reduce the need for multiple meters. What it is The DY4100 is a compact handheld tester that provides essential resistance and voltage readings. It features a LED LCD display and supports common resistor values with four resistance ranges, plus voltage measurement up to 30 V with ±3% accuracy. Specifications - Model: DY4100 - Display: LED LCD - Resistance measurement ranges: 0 Ω, 20 Ω, 200 Ω, 2000 Ω - Voltage measurement: 0-30 V - Voltage accuracy: ±3% Design and performance - Function: Provides quick resistance and voltage readings for basic electronics tasks. - Readability: LED LCD display for easy viewing in varying conditions. - Range coverage: Four resistance ranges cover typical components encountered in hobby and professional electronics. - Low-voltage capability: Suitable for checking circuits and components powered up to 30 V. Use scenarios - Scenario 1: Inspect a resistor on a PCB during repair or prototyping to confirm its value without removing components. - Scenario 2: Perform a quick voltage presence check in low-voltage electronic devices such as LED drivers or battery-powered gadgets. - Scenario 3: Utilize in education or hobby projects to learn basic resistance and voltage measurements with a single, simple instrument. Compatibility and practical notes - Intended for basic resistance and low-voltage measurements up to 30 V. - Suitable for quick checks on boards, assemblies, and small electronic projects. - Designed for portability and ease of use in both shop and field environments.