







🔌 Power up your diagnostics with Klein’s pro-grade USB meter — don’t get left in the dark!
The Klein Tools ET910 is a USB-A digital power meter and tester designed for professionals who demand precision and durability. It measures voltage (3-20V), current (0.05-3A), capacity, energy, and resistance simultaneously, with built-in test loads eliminating the need for external devices. Rugged, battery-free, and capable of continuous monitoring for up to 1000 hours, it supports standard and Qualcomm Quick Charge USB-A ports, making it an essential tool for reliable USB power diagnostics.






| Brand | KLEIN TOOLS |
| Power Source | Usb-powered |
| Style | USB-A Tester and Meter |
| Colour | Clear |
| Item Weight | 2.8 Ounces |
| Item dimensions L x W x H | 28.5 x 5.4 x 2.5 Centimeters |
| Min. Operating Voltage | 3 Volts (DC) |
| Specification Met | UL 61010-1, CE Marked, RoHS Compliant |
| Measurement Type | Power Meter |
| Maximum Operating Voltage | 20 Volts |
| UPC | 092644691393 |
| Manufacturer | Klein Tools |
| Global Trade Identification Number | 00092644691393 |
| Country of Origin | USA |
| Model number | ET910 |
| Number of Memory Sticks | 1 |
| Special Feature | Current Test Loads: 0.5A, 1A, 2A, 3A |
| Item Weight | 79.2 g |
| Product Dimensions | 28.47 x 5.41 x 2.49 cm; 79.38 g |
| Item model number | ET910 |
| Item Height | 0.98 Inches |
| Item Width | 2.13 Inches |
| Included Components | USB Digital Meter and Tester, USB-A (Type A) |
| Are batteries included? | No |
| Lithium battery weight | 78 Grams |
| Number of lithium metal cells | 1 |
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