USB power bank charging current and voltage tester Mini USB charger Doctor voltmeter ammeter digital

1.can be easily measured USB port output voltage and the operating current of the device; 2.small size, no power, and other ancillary equipment, plug and play; also detect USB charger output voltage and current are standard; used in factories, laboratories and users.  

Technical indicators: Scope of work: Current (0-2.5A) can detect standard mobile phone charger voltage DC5V Operating Range: U = 3 ~ 7.5V I = 0 ~ 2.5A Resolution: Voltage 10mV Current 10mA Error: voltage <± 1% // current <± 2% Full scale drop: (when measuring current) 200mV Working temperature: 0-60 Celsius Size: 53 * 35 * 14mm   The tester uses a new generation of power four and a half double integral cycle conversion IC, with a precision bandgap reference, range accuracy, high precision, stable and reliable performance, strong anti-interference ability, high temperature can be used for measuring USB powered or power consumption of an interface, cell phone chargers, U disk and other products.  

1.It can be used to measure the empty USB-powered devices, voltage loads, USB terminal equipment working voltage and current. 2.current and voltage cycle, easy to use and practical. 3.compact and easy to carry, no additional power supply.