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In stock
Shipped from abroad
Free return within 15 days for all eligible items.Details
MOMONIYA
92%Seller Score
14 Followers
Shipping speed: Good
Quality Score: Excellent
Customer Rating: Excellent
PRODUCT OVERVIEWS
· MODEL : KT4H · Vin: AC 85-265V · Vout: DC 0-330V (Automatic / Adjustable) · Voltmeter Accuracy : < (±0.5 ± 1%Vout)V · Iout : 0-150mA (Automatic / Adjustble) · Constant Current Board Current : 0-999mA · Ammeter Accuracy : < (±2 ± 1%Iout)mA · Pin : 50VA (MAX) · Temperature : -20℃ - +40℃
PACKAGE LIST:
Package1: 1x LED Tester 1x Test Probe(red * black) 1x Power Cord(US or EU or UK) 1x Constant Current Board Socket Cable 1x Connection Cl 1x User Manual
Package2: 1x LED Tester 1x Test Probe(red * black) 1x Power Cord(US or EU or UK) 1x Constant Current Board Socket Cable 1x Connection Cl 1x User Manual
1x Tool Bag
① Input Interface of Constant Current Board ② Power Switch ③ Power Supply ④ Banana Plug ⑤ Voltage and Current Adjustment Knob ⑥ Current Switch (1mA/Adjustment Current)
TESTING FLOWCHART
NOTICE: A normal LED str is working, but working LED str may be not always normal, it should combine with the voltage to determine the LED is normal or not.
WIRING DIAGRAM
TEST OF CONSTANT CURRENT BOARD
PRODUCT DEMONSTRATION
Note: Adjust the current in short circuit ; Adjust the Voltage in open Circuit as shown in the figures above.
Test Method of Constant Current Driver Board
Testing situation: The LED str of backlight is on with the tester, but it does not work with the constant current board; 1. Cut off the power of TV, unplug the interface sockets of the constant current board and light bar; 2. Connect the constant current board with the tester using the cables in the kits on right polarity. 3. Insert the Red and Black pens of the tester into the anode and cathode of the interface of the LED light bar. 4. Turn the power of TV on. 5. Testing voltage >30V, Current >30mA and keep stable, and the LED str working normal, then the Constant current board is normal.
ACCESSORIES
WARRANTY
1. This product is guaranteed up to one year from purchase. 2. If there are some performance problem, simply return it in its condition within 30 days of receiving it. In the warranty period, we will repair it and sh you a good tester. 3. The warranty period will be extended for three months after repair. 4. During the warranty period, freight AA. 5. Please note that the guarantee policy does not apply to: A. Product has man-made damage or accidental damage such as exceive input voltage high temperature, water damage, drop and break, mechanical damage and corrosion. B. Unauthorized modification and tearing the product date mark.
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