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Digital Voltmeter Ammeter USB Tester Portable Power Charge Dr (Per Piece)

This USB Digital Voltage and Current Meter is a compact and easy to use tool designed to measure the voltage and current of power supply units with a USB port. It is plug and play and does not require any external power source. Once connected the voltage and current values are displayed clearly making it ideal for daily testing and monitoring tasks. Its small size makes it simple to carry and use anywhere.

Package Includes

  • 1 x USB Digital Voltage and Current Meter
USB Current Voltage Display Module
30.45 AED 30.45 AED (Tax included)

Terms and Conditions
30-day money-back guarantee
Shipping: 2-3 Business Days

 

Features

  • Plug and play operation with no external power required
  • Measures USB voltage and current simultaneously
  • Clear OLED display with low power consumption
  • Auto shutdown protection for over voltage under voltage and full charge
  • Multiple intelligent protections including over current and under current
  • One button operation for screen rotation data switching and reset
  • Compact lightweight and portable design

Specifications

  • Voltage range: 4 to 30V
  • Current range: 0 to 3A
  • Voltage resolution: 10mV
  • Current resolution: 10mA
  • Voltage error: less than plus minus 1 percent
  • Current error: less than plus minus 2 percent
  • Full scale voltage drop: 200mV
  • Operating temperature: 0 to 60 degrees Celsius
  • Display type: 0.91 inch OLED
  • Display color: white text on black background
  • Meter color: transparent blue

Applications and Uses

  • Monitoring USB charger output voltage and current
  • Testing power consumption of mobile phones and tablets
  • Measuring power usage of Raspberry Pi and Arduino boards
  • Protecting electronic devices during charging
  • Educational and DIY electronics projects

Protection Functions

  • Over voltage protection
  • Under voltage protection
  • Over current protection
  • Under current protection
  • Under current delay time protection