USB charge current and voltage tester 

Very simple, practical small instrument: 

◆ small and portable, no external power supply, and other ancillary equipment, plug and play; 

◆ power supply, charger, computer USB, car charger and mobile power models can detect any USB output, can easily measure the USB port of load voltage, load current and voltage and equipment at work, and thus determine the charge performance control and charging cable meets the requirements; 

◆ simple operation, wide application: USB alternating voltage and current test results clear, clear, suitable for factories, laboratories and ordinary users. 

Technical indicators: 

Product Size: 52x20x15mm; male and female plug length 35mm. 

Scope of work: Voltage 3.5V-7.0V; Current 0A-3A; 

Resolution: Voltage 10mV current 1mA; 

Error: voltage <± 1% current <± 2%; 

Full scale drop: 200mV (measuring current); 

Working temperature: 0-60 ℃.