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⚡ Empower your USB diagnostics with precision and speed — don’t get left in the slow lane!
The AVHzY CT-3 USB Power Meter is a compact, professional-grade digital multimeter designed for precise voltage (0-26V) and current (0-6A) measurement. Featuring a sharp 1.77” TFT display and 4.5-digit resolution with 0.1% accuracy, it supports advanced fast-charge protocols including PD, QC, VOOC, and more. Its integrated Lua interpreter enables custom scripting, while powerful PC software offers high-speed data logging up to 1000 samples per second. Ideal for engineers and tech-savvy professionals, this tool delivers comprehensive USB port and charger diagnostics in a portable form factor.
| ASIN | B073R7YRM9 |
| Batteries | 1 C batteries required. (included) |
| Batteries Required? | Yes |
| Batteries included? | Yes |
| Battery Cell Type | Lithium Metal |
| Best Sellers Rank | 694,177 in DIY & Tools ( See Top 100 in DIY & Tools ) 2,191 in Multi Testers |
| Colour | grey |
| Customer Reviews | 4.4 4.4 out of 5 stars (413) |
| Date First Available | 17 Aug. 2017 |
| Display style | LCD |
| Item Package Quantity | 1 |
| Item Weight | 27.2 g |
| Item model number | CT |
| Manufacturer | AVHzY |
| Material | Tft |
| Part number | CT-3 |
| Power source type | Corded Electric |
| Product Dimensions | 7.7 x 3.51 x 1.19 cm; 27.22 g |
| Specification met | CE Marked, EMC, IEC 61010-1 |
| Style | CT-3 |
A**L
Funciona correctamente pero no tiene el adaptador USB A a micro USB que muestra en las fotos del producto
D**L
I've used this on multiple occasions to test / debug a slow charging USB port. It is easy to use for the most basic tasks, and fairly easy to figure out the more advanced functionality with a bit of messing around, but has a user guide if needed. It's bright enough to read, easy to carry around, connects and displays data quickly, and not too expensive for the peace of mind of knowing where the issue is. Definitely worth taking with you if you suspect you'll need to test a USB port.
C**O
Great for testing the output of my power adapters and needs of my devices.
S**O
As mentioned max measurable voltage / current 26V - 6.0A in specs, but measuring max. 20V - 3.1A = 63W (PD3.0 PPS) while charger can supply 20V - 5A = 100W.
A**S
pros: great price great accuracy great data / information displayed in fact great display cons: none
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