






⚡ Empower your LED repairs with precision and confidence!
The SID LED KT4H Multipurpose Tester delivers adjustable DC output voltage up to 330V and current up to 150mA, enabling real-time testing of LED backlights, strips, panels, and constant current driver boards. Its safe polarity feature prevents damage during single LED testing, while its versatile compatibility covers all LED types. Designed for professionals and DIYers alike, this compact tool streamlines LED diagnostics and repairs with high accuracy and ease.
| ASIN | B07MT87G2P |
| Best Sellers Rank | #486,783 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #761 in Multi Testers |
| Brand | SID LED |
| Brand Name | SID LED |
| Color | Black, Red |
| Customer Reviews | 4.6 out of 5 stars 286 Reviews |
| Included Components | LED tester,Test probe,power cord,User Manual,socket cable,connection clip,bag |
| Manufacturer | SID LED |
| Measurement Type | Ammeter, Voltmeter |
| Model | KT4H |
| Power Source | Corded Electric |
| Style | Electronic |
| Style Name | Electronic |
| UPC | 613739727430 |
| Upper Temperature Rating | 40 Degrees Celsius |
F**Y
Very useful
It's very simple to use, solve me a lot, now I can check led strings an also verifies tv's led strip
P**G
It worked for my TV
I bought this to test and repair a LG led tv. It worked great for testing the existing led's. I also used this to test some single led's from a grow light. Found the bad 1 quickly and replaced it.
B**K
This is the one to get.
I say this is the one to get. The dual display (voltage and current) is very helpful. I wouldn't call the readings precise but completely adequate for the task. This is my first pick for safely troubleshooting LED backlight strips in monitors and TVs. The test leads that came with mine were better than average. For the money this is a great little gadget if you service monitors or TVs.
Q**B
Pretty slick! Weak instructions but intuitive!
Excellent test probes ! decent operation! Not a tool that I will use often
N**7
Great little tool
I got involved in lots of LED lighting installation around my house. This tool is absolutely essential to check the strips, connectors, etc. Hard to beat the price, too, value for the buck is very high
Y**K
The right tool for LED backlight replacement.
Reliable and accurate.Made my work easier than i thought. Honestly did not know this tester existed until my LED TV broke.I am glad i found and got it.It has all the necessary adjustment and display to read the current and voltage. Thank you !
G**Y
Read the directions
Works great for it's uses for LED lights.
T**N
Perfect LED tester
The controls are a little funky; reducing the current setting also lowers the voltage. At near minimum current, voltage is zero, regardless of voltage setting. This unit has a power switch, making it perfect to leave on the bench, plugged in and ready to go! Its' best feature is the 1ma mode, with no standby time-out, so you don't have to restart the tester every time you walk away for a few seconds. Perfect!
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