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USB Digital Meter - USB-A | 3 to 20V DC | 0.05 to 3A Current | Hi-Resolution LCD | by Wattmaster

BRAND: Wattmaster
SKU: A-ET900
$35.40 List price: $42.80
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The USB Digital Meter - USB-A is designed for precise voltage and current measurements, ranging from 3 to 20V DC and 0.05 to 3A. Ideal for electronics technicians and hobbyists, it continuously monitors voltage, current, capacity, and energy with a hi-resolution LCD display. With a rugged design that withstands drops and no batteries required, this meter is perfect for testing USB-A ports, including Qualcomm Quick Charge®.

Product Name/Title: USB Digital Meter - USB-A | 3 to 20V DC | 0.05 to 3A Current | Hi-Resolution LCD | by Wattmaster

Brand: Wattmaster

SKU: A-ET900

Alternatively Known As: USB-A Digital USB Meter, USB Type A Voltage Meter, USB Power Meter, USB Current Meter, USB Tester

Technical Specifications
  • Voltage range: 3 to 20V DC
  • Current range: 0.05 to 3A
  • Capacity: up to 99999 mAh
  • Energy delivered: up to 999 Wh
  • Resistance: up to 400 Ohms
  • Elapsed time measurement: up to 999 hours, 59 minutes, 59 seconds
  • Display: Hi-resolution LCD
  • Ingress protection: IP20
  • Drop protection: 2 meters
  • Material: Polymer
  • Dimensions (H x L x W): 14mm x 72mm x 32mm
  • Weight: 0.1 kg
Key Features
  • Measures voltage (3 to 20V DC) and current (0.05 to 3A) with +/-1% accuracy
  • Continuously monitors up to 1000 hours of voltage, current, capacity, energy, and resistance
  • Stores and recalls up to 10 readings
  • Voltage and current overload detection
  • Hi-resolution LCD for clear visibility in low ambient lighting
  • Durable cable for easy access to hard-to-reach USB ports
  • Rugged, pocket-sized, lightweight design built to withstand 2 m drop
  • No batteries needed; powered by the USB port being tested
Professional Installation Requirements
  • No professional installation required; device is plug-and-play for USB-A ports. Users should follow safety instructions carefully.
Applications
  • Testing USB-A ports including Qualcomm Quick Charge® ports
  • Measuring USB port voltage, current, capacity, energy, and resistance
  • Use in electronics repair, quality control, and USB device diagnostics
Standards & Compliance
  • Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
  • No batteries required, reducing battery waste
  • Durable design extends product life and reduces electronic waste
Warranty Information

Warranty details available from the manufacturer; typically includes coverage against manufacturing defects.

Available Now

The Wattmaster USB Digital Meter - USB-A (Type A) is available for immediate purchase. Ideal for electronics technicians, engineers, and hobbyists requiring precise USB port measurements.