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Bead TV Backlight Tester for All Output 0-300V

<ul><li>High speed single-chip microcomputer is used for voltage sampling test, and LED lamp is driven to display voltage (by no means other products on market use purchased voltmeter heads, which are installed separately) to achieve board card integration and reduce defective rate (because current is constant, only voltage display function is used.)</li><li>0-300V adaptive voltage, suitable for most series and parallel lamp bead tests. During test, gradual startup mode is adopted, voltage is automatically adapted, current is gradually increased, and lamp beads will not burn, and normal brightness can be achieved in three to five seconds. positive and negative poles of lamp bar and lamp bead are connected inversely, without burning lamp bar and lamp bead.</li><li>Digital display of real-time voltage output, with adjustable voltage, voltage value can be self calibrated. digital meter adopts green light-emitting tube. 00 indicates short circuit and 300V indicates open circuit. display voltage of each group of LED light bars of same LCD TV shall be same.</li></ul>

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Features: High speed single-chip microcomputer is used for voltage sampling test, and LED lamp is driven to display voltage (by no means other products on market use purchased voltmeter heads, which are installed separately) to achieve board card integration and reduce defective rate (because current is constant, only voltage display function is used.) 0-300V adaptive voltage, suitable for most series and parallel lamp bead tests. During test, gradual startup mode is adopted, voltage is automatically adapted, current is gradually increased, and lamp beads will not burn, and normal brightness can be achieved in three to five seconds. positive and negative poles of lamp bar and lamp bead are connected inversely, without burning lamp bar and lamp bead. Digital display of real-time voltage output, with adjustable voltage, voltage value can be self calibrated. digital meter adopts green light-emitting tube. 00 indicates short circuit and 300V indicates open circuit. display voltage of each group of LED light bars of same LCD TV shall be same. Cold and hot isolation, never get electric shock. integrated design of power cord and machine box makes it easy to carry when going out. You can light LCD TV screen without removing screen. ( screen with bad lamp beads will light as well. LCD TV is generally divided into several groups in parallel. voltage can be used to see which groups have different voltages, so as to determine which groups of LED lamp beads are damaged.) Specifications: Item: LED Lamp Bead TV Backlight Tester Material: ABS Input Voltage: 85-265V Output Voltage: 0-300V Power: 18W Size: 10.4*3.6*6.3cm Package Size: 18*10.5*4cm Package Weight: 255g Note: When positive and negative poles are uncertain, please use 19V voltage to detect positive and negative poles. It is prohibited to use 300V voltage to detect positive and negative poles. 300V voltage may cause damage to equipment. Short circuit pen for three seconds to switch between high and low voltages. Package List: 1* LED Lamp Bead TV Backlight Tester 1 *Pair Test Probe

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