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K2 USB Voltage & Current Meter Type-C 24P Through-Mode, PD3.1/EPR 28 V Protocol Detection, Color IPS Screen, 3.3-48V/0-6A (10A Peak) Measurement, USB-C Charger & Cable Tester (K2R)
- Professional-grade USB-C Monitoring Supports up to DC 3.3 ~ 48 V (K2-237 version) and DC 3.3 ~ 36 V (K2-226 version), detects current with 0.0001 A resolution, voltage with 0.0001 V resolution.
- Full Protocol & High-Power Support Built-in support for PD3.1, EPR (28 V), AVS induction, multi fast-charge protocols. Designed for high-end USB-C chargers and power banks.
- 24P Straight-Through High-Conductivity USB-C Port Ensures minimal insertion loss and supports high-current, high-speed charging/data devices.
- Color IPS Screen & Rich Functionality 1.54 color IPS display (240 × 240 resolution) shows real-time voltage, current, power, capacity (Ah/Wh), ripple detection, waveform frequency analysis and more.
- Upgradeable Firmware & PC Curve Software USB-HID interface allows PC connection for firmware updates, curve recording and advanced monitoring; ideal for testers, hobbyists and professionals.
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Overview
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K2 USB Voltage & Current Meter Professional PD3.1/EPR Testing Tool
High Precision Measurement
Supports voltage range 3.348V (K2-237) or 3.336V (K2-226), current up to 6A continuous (10A peak). Display resolution reaches 0.0001 V / 0.0001 A for ultra-accurate readings.
Advanced Protocol Detection
Built-in recognition for PD3.1, EPR (28V), PPS, QC, SCP, and other fast-charging protocols. Easily check charger output and cable performance in real time.
Color IPS Display
1.54-inch color IPS screen (240×240) clearly shows voltage, current, power, capacity (Ah/Wh), ripple waveform and frequency. Compact and easy to read even under strong light.
Professional Features
Capacity statistics, ripple analysis, waveform display, data recording, and USB-HID interface for PC software curve analysis and firmware upgrade.
Durable 24P Type-C Design
High-conductivity straight-through Type-C port ensures stable power flow with minimal loss. Compatible with most USB-C chargers, cables, phones, laptops, and power banks.
Ideal For
Engineers, repair technicians, and enthusiasts testing high-power USB-C devices or PD3.1/EPR chargers. Perfect for verifying charger quality and cable performance.
Package Includes
1× WITRN K2 USB Meter
1× User Manual
(Optional: Firmware upgrade cable depending on seller)
Tips
Use certified 5A E-Marker cables for 28V EPR testing.
If the screen doesnt light up when connected, hold the lightning button to activate.
Keep firmware updated to ensure compatibility with the latest fast-charge protocols.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Hoevine Home Return Policy
Manufacturer Contact Info
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