Enhance your LED testing efficiency with this advanced LED Tester featuring high-speed microcontroller technology for precise voltage sampling and real-time digital voltage display. Designed to automatically identify lamp beads and light strips, this tester offers an adaptive voltage range of 0-300V, making it ideal for both series and parallel lamp bead testing. With an integrated adjustable voltage function and self-correcting voltage values, it ensures accurate diagnostics and prevents damage during testing. Key Features: · High-Speed Microcontroller Control: Enables accurate voltage sampling and consistent LED voltage display to reduce faulty readings and improve reliability. · Real-Time Digital Display: Equipped with a green LED digital meter that shows voltage output instantly. Displays “00” for short circuits and “300V” for open circuits, assisting in quick fault detection. · Adaptive Voltage and Current: Automatically adjusts voltage (0-300V) and current during testing with progressive startup, protecting lamp beads from burnout by gradually increasing current until optimal brightness is reached within 3-5 seconds. · Reverse Polarity Protection: Safeguards light bars and lamp beads against positive and negative reverse connections, preventing device damage. · Safe and Reliable Operation: Features hot, cold, and ground isolation to prevent electric shock. The integrated power cord and enclosure design enhance portability and ease of use. · High Brightness Testing: Lights up LCD TV screens without removing the screen, enabling easy identification of faulty LED bead groups by comparing voltage differences across parallel groups. · Adjustable Voltage Correction: Allows internal self-calibration of voltage values to maintain testing accuracy over time. Specifications: · Material: Durable Plastics · Color Options: Black or White · Input Voltage: 85-265VAC · Output Voltage: 0-300VDC · Power: 18W · Package Size: 180 x 105 x 40mm (7.09 x 4.13 x 1.57 inches) · Package Weight: 255g (8.99 ounces) Package Includes: · 1 x LED Tester This LED Tester is an essential tool for professionals and hobbyists working with LED backlights and lamp beads, offering precise voltage output monitoring, adaptive voltage control, and user safety features. Its compact and lightweight design makes it perfect for on-site diagnostics and repairs, enhancing your ability to quickly identify and fix LED-related issues with confidence.