KLEIN ET900 USB DIGITAL METER USB-A (TYPE A)

KLEIN ET900 USB Digital Meter for USB-A Ports The Klein Tools ET900 is a USB digital meter designed for precise measurement and monitoring of USB-A (Type-A) port electrical parameters. It is suitable for electrical distributors and switchgear suppliers needing accurate diagnostics of USB power sources. The device simultaneously measures voltage, current, capacity, energy, resistance, and elapsed time, providing comprehensive data for USB-powered devices and lighting solutions that utilize USB power. It requires no batteries, drawing power directly from the USB port under test. Specifications Voltage Range: 3 to 20V DC, ±1% accuracy Current Range: 0.05 to 3A, ±1% accuracy Capacity Used: Up to 99,999mAh maximum Energy Delivered: Up to 999Wh maximum Resistance: Up to 400 ohms maximum Elapsed Time Display: Up to 999 hours, 59 minutes, 59 seconds Dimensions: 2.84" × 1.25" × 0.565" (72 × 32 × 14 mm) Weight: 1.1 oz. (31 g) Drop Protection: 6.6 ft. (2 m) Ingress Protection: IP20 Operating Temperature: 14° to 122°F (-10° to 50°C) Relative Humidity: <95% non-condensing Compatibility: Qualcomm Quick Charge® compatible Standards: UL STD. 61010-1, 61010-2-030; CSA STD. C22.2 No. 61010-1, 61010-2-030 Features Simultaneous measurement of USB port voltage, current, capacity, energy, resistance, and elapsed time Hi-resolution LCD for clear visibility in low ambient lighting Mode button for screen toggling, data storage, and memory reset with up to 10 stored readings No batteries required; powered directly by the USB port Voltage and current overload detection with automatic output port disablement on overload Compact, lightweight design with durable housing and 6.6 ft. drop resistance Easy-to-use interface with clear digital readout and memory recall capabilities Downloads & Links Spec Sheet Spec Sheet