0-300V LED Backlight Tester – 18W LCD TV Lamp Strip Bead Testing Tool with Automatic Voltage & Current Detection

Diagnose LED backlight problems faster and make TV maintenance less complicated. This practical testing tool delivers adjustable output for checking LED strips and individual lamp beads across a wide range of LCD TV sizes. Automatic voltage and current detection simplifies troubleshooting, while the high-brightness testing capability lets you evaluate backlight performance without opening the screen. Designed for convenient LED backlight testing and LCD TV repair, it helps technicians quickly identify faulty strips or beads. Its wide input and output ranges make it a versatile addition to your maintenance toolkit.

Key Features
• Tests LED backlight strips and individual lamp beads across different LCD TV sizes.
• Provides 0–300V output with automatic voltage and current detection for convenient testing.
• High-brightness operation helps assess backlight condition without opening the LCD screen.
• Supports quick high- and low-voltage switching for more efficient maintenance and inspection.

Why Choose Our 0-300V LED Backlight Tester?
Unlike basic testing tools with limited voltage capabilities, this tester combines a broad 0–300V output range with automatic voltage and current detection. Its 18W power and screen-free testing capability make troubleshooting quicker and more convenient. It is a versatile solution for technicians who regularly inspect LED strips and individual lamp beads.

Perfect For
Ideal for TV repair technicians, electronics maintenance professionals, repair shops, DIY electronics enthusiasts, and service centers. It is especially useful for inspecting LCD TV backlights, LED lamp strips, and individual LED beads during troubleshooting and maintenance.

Product Specifications
• Input Voltage: 85–265V
• Output Voltage: 0–300V
• Power: 18W
• Electrode Detection Voltage: 19V recommended
• High/Low Voltage Switching: Approx. 3 sec.

Important Safety Note
Use 19V when identifying positive and negative electrodes if polarity is uncertain. Do not use 300V for polarity detection, as the high voltage may damage the equipment.

Improve troubleshooting efficiency and quickly identify backlight problems with the 0-300V LED Backlight Tester. Add this versatile testing tool to your repair setup for convenient LED strip, lamp bead, and LCD TV maintenance.