USB meter USB Tester ตัวทดสอบ USB วัดแรงดัน 3-7.5V วัดกระแสสูงสุด 2.5A

Technical indicators: working range: current (02.5A) to detect whether the mobile phone charger voltage can reach the standard DC5V Working range: U=3~7.5V I=0~2.5A Resolution: Voltage 10mV Current 10mA Error: Voltage1% Current2% Full-scale voltage drop: 200mV (when measuring current) Working temperature: 0-60 C Product size: 53*35*14mm Packing: PE bag This electric energy tester uses a new generation of 4-digit semi-double integral cyclic conversion integrated circuit, equipped with a precision band gap reference source, accurate range, high precision, stable work, reliable performance, strong anti-interference ability, high temperature resistance. Can be used to measure USB The power supply or consumption of products such as interfaces, mobile phone chargers, and USB flash drives. 1. This product can measure the voltage when the USB power supply equipment is empty or under load, and the voltage and current when the USB terminal equipment is working. 2. Current and voltage cycle display, easy to use and practical. 3. Small and easy to carry, no need to connect to a power supply.