Sell Mini USB Tester Charger Doctor Voltmeter Ammeter Detector Digital USB Mobile Power Charging Current Voltage Meter best price

You can easily measure the operating current of the USB port and the output voltage of the device. 2. Small size, no power supply, and other auxiliary equipment, plug and play can also detect the output voltage and current of the USB charger, suitable for factories, laboratories and users. Technical index: Working range: current (0~5A) can detect whether the mobile phone charger voltage meets DC5V Working range: U = 3~7.5V I = 0~5A Resolution: voltage 10mV current 1mA Error: voltage<±1% current<±2% Full scale drop: (when measuring current) 200mV The tester uses a new generation of power four-half dual-loop integral converter IC, with high bandgap reference accuracy, high range accuracy, high accuracy, stable and reliable performance, and strong anti-interference ability. It can be used to measure USB power supply or USB high temperature. Power consumption of interfaces, mobile phone chargers, U disks and other products. 1. USB-powered devices can be used to measure air, voltage loads, and the working voltage and current of USB terminal devices. 2. Current and voltage cycle, easy to use and practical. 3. Small and easy to carry, no need for additional power supply Package Included: 1PCs dual USB current and voltage charger detector