LED Lights TV Backlight Tester Multipurpose LED Strips Beads Test Tool Capacitor Voltage Test Backlight Tester Tool Line Checker.
 
The CA-300V LED TV Backlight Tester is a universal diagnostic tool designed to test LED light beads, strips, bars, and panels without burning them out.
 
Key Specifications
Input Voltage: 85V–265V AC (universal worldwide compatibility)
Output Voltage: 0V–300V DC (auto-adaptive)
Output Current: ~28mA (auto-sensing to protect small components)
Display: Digital LED screen showing real-time voltage
 
Core Features
Automatic Adaptation: Adjusts voltage and current automatically to match the connected LED component.
Individual Bead Detection: Lights up individual beads and strips while helping identify damaged or shorted LEDs without damaging good ones.
Fault Diagnosis: Displays 000V for a short circuit and 300V (or maximum voltage) for an open circuit.
Safety Design: Features double isolation and soft-start mode to prevent power surges when connecting probes.