Usb current voltage meter


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Voltage range: DC 3.3V to 7.5V
Voltage range: DC 0 to 2.5V
Error: Voltage <± 1% Current <± 2%
Full-scale pressure drop: 200mV (when measuring current)
Resolution: voltage 10mV current 10mA
Operating temperature: 0-60 °C

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LKR 390

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The voltage and current tester uses a new generation of four and a half double integral loop conversion IC, with a precision bandgap reference source, range accuracy, high precision, stable, reliable performance, anti-interference ability, high temperature. USB interface, mobile phone charger, U disk and other products, power supply or power consumption. Cost-effective. This product can measure the USB power supply equipment empty, the load voltage, USB terminal equipment work voltage and current. Current and voltage cycle display, easy to use and practical. Compact and easy to carry, no need to connect another power supply. Voltage and current turns display, cycle time is 5S

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