USB Power Meter for Voltage and Current

The Klein Tools ET900 is a USB digital meter designed for the most common standard USB-A (Type A) ports, including Qualcomm Quick Charge ports. This meter is able to accurately and reliably measure and display the voltage, current, capacity, energy, and resistance of the USB port simultaneously. It can be used with any USB-A port that is capable of delivering power, and it does not require batteries as it draws power from the power source.

Klein Tools, a company with over 160 years of experience, is known for manufacturing premium-quality, professional-grade hand tools that offer the performance, durability, and precision needed to get the job done right. The family of engineers, workers, and craftsman at Klein Tools put six generations of expertise into every tool by using only the highest quality materials and superior workmanship, while keeping manufacturing as close to home as possible. As a family-owned and family-run American company, Klein Tools is dedicated to providing products that professionals can rely on every day.

The Klein Tools ET900 can continuously monitor voltage from 3 to 20V DC and current from 0.05 to 3A, along with capacity/charge delivered, energy, and resistance (calculated) for up to 1000 hours. It is also capable of testing most common standard USB-A ports, including Qualcomm Quick Charge ports, and can store and recall up to 10 readings. The meter features voltage and current overload detection, as well as a high-resolution LCD for clear visibility in environments with low ambient lighting. Additionally, it comes with a durable cable that allows for easy access to hard-to-reach ports.

Overall, the Klein Tools ET900 is a reliable and efficient USB digital meter that meets the demands of professionals with its accurate measurements and durable design. This tool is a testament to Klein Tools' commitment to providing high-quality products that professionals can depend on.

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