PLUGABLE 

USBC-VAMETER3 USB-C POWER METER TESTER 240W PLUGABLE USB-C POWER METER TESTER

Mfg Part Number:  USBC-VAMETER3  
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Price: $48.53 + Free Shipping
Quantity:
In Stock: 11
Last Updated: Aug 23, 2025
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For a multimeter, the Plugable USB-C Amperage and Voltage Tester (USBC-VAMETER3) manages to fit a lot of useful features into a sturdy little package. About the size of a USB flash drive, this bidirectional USB tester allows for full USB data passthrough while it monitors USB-C power and charging, measures voltage and amperage, even visualizes the directional flow of electrical current-all in real time.
Connect the USBC-VAMETER3 inline between a USB-C host system like a laptop, tablet, or cell phone and a charger to use it as a USB voltage meter or power consumption meter. An updated OLED screen means a brighter and easier-to-read display in any lighting conditions, and a new orientation button lets you flip the screen with a click.

How it works:

This meter is a transparent interposer-it should not interfere with the USB data (1.1 through 3.1 Gen 2), USB-C Alternate Mode video, or USB-C charging. The meter can be used in-line with USB-C docking stations, chargers, and other USB-C accessories. The meter is able to achieve this without interfering with normal USB-C operation as it only taps into the power (VBUS) and ground connections to measure values and leaves the data lines untouched.

Common uses:

Connecting between a USB-C host system like a laptop, tablet, or cell phone and a charger to monitor charge information.
Connecting between a USB-C host and docking station to monitor charge information.
Connecting between a USB-C host system and a USB-C bus powered accessory like an external hard drive, flash drive, etc to measure power draw of a device.
Testing for USB-C port spec compliance such as a VBUS hot condition, voltage drop under load, etc.

Important notes:

This meter is not meant to replace professional USB-C test equipment, it is designed for quick/easy measurements for users of any skill level.
Not compatible with Intel Thunderbolt 3 devices.

Specifications:

Meter is bidirectional and can be connected in any direction
Supports 4.5-50V, 50mA-6.5A operating range
Support USB-PD R3.1 Extended Power Range (101W-240W)
Supports all USB data (1.1 through 3.1 Gen 2)

More from the Manufacturer

Main Specification
General Information
Manufacturer Plugable Technologies
Manufacturer Part Number USBC-VAMETER3
Manufacturer Website Address http://www.plugable.com
Brand Name Plugable
Product Name Electric Voltage Measuring Device
Product Type Electric Voltage Measuring Device
Technical Information
Device Function Current Measurement
Device Function Voltage Measurement
Interfaces/Ports
USB Yes
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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