Catalog > Internet of Things (IOT) Related Products > More Platforms 3~9V 0~3A USB Dual Current and Voltage Tester USB Current Voltage Tester Red + Blue LED Display DHG USB DC POWR DETECT/TEST 3-9V USB DUAL CURRENT & VOLTAGE DETECTOR 3-9VDC 0-3ADC Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview The USB Detector Current Voltage Tester is a very useful gadget for USB port checking and chargers which use it: you can check if USB port is active, if battery of external device is charged or if current is not exceeding limits. It comes with a very bright display. Features Enabled to measure USB devices at no load and over load condition, also for USB terminals testing.Current and voltage display in turn, easy and comfotable to use.Small and portable, do not need other power supply.Measuring range : DC 3V - 9V / 0 - 3A (up to 5A ) Specifications Voltage measuring range : 3V-9VAccuracy : 0.01VCurrent measuring range : 0-3AAccuracy : 0.01ADeviation : +/-1%Line loss : 0.1ohmFunctions : Voltage & Current testingCan display voltage and current simultaneously to detect output voltage & current of a variety of powerCan detect quality of USB cableWith precision current calibrator, higher accuracy for currentCommunication function : YesData calibration : YesInterface : USB2.0, USB3.0