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USB Digital Meter | Measures Voltage & Current | Hi-Resolution LCD Wattmaster

SKU: A-ET920
$94.10 List price: $125.50
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The USB Digital Meter is designed for accurate monitoring of USB-A and USB-C ports, measuring voltage from 3 to 20V DC and current up to 5A.
Technical Specifications
  • Voltage Range: 3 to 20V DC
  • Current Range: 0.05 to 3A (USB-A), 0.05 to 5A (USB-C)
  • Capacity: Up to 99999 mAh
  • Energy: 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): 15mm x 75mm x 50mm
  • Weight: 0.1 kg
Key Features
  • Measures voltage (3 to 20V DC) and current (0.05 to 3A for USB-A, 0.05 to 5A for USB-C)
  • Continuously monitors up to 1000 hours of voltage, current, capacity/charge delivered, 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
  • Rugged, pocket-sized, lightweight design with 2 m drop protection
  • No batteries needed; powered by the USB port being tested
  • Compatible with most USB-A and USB-C ports including Qualcomm Quick Charge®
Professional Installation Requirements
  • No professional installation required; device is plug-and-play for USB ports. Users should follow safety instructions to avoid electrical hazards.
Applications
  • Testing and monitoring USB-A and USB-C ports voltage, current, capacity, energy, and resistance
  • Suitable for use with Qualcomm Quick Charge® USB ports
  • Ideal for electricians, technicians, and engineers for USB power diagnostics
Standards & Compliance
  • Complies with AS/NZS 3820 – Essential Safety Requirements for Electrical Equipment
Environmental Benefits
  • Battery-free operation reduces electronic waste
  • Helps optimize USB device power usage, promoting energy efficiency
Warranty Information

Refer to manufacturer warranty terms; typically includes coverage against manufacturing defects.

Available Now

The Wattmaster USB Digital Meter for USB-A and USB-C is available now for immediate purchase. Ideal for professionals and hobbyists needing accurate USB power diagnostics.