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YOJOCK Manuals & User Guides

YOJOCK specializes in electronic testing instruments such as USB power meters, digital multimeters, and gas leak detectors for home and industrial use.

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YOJOCK manuals

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YOJOCK USB Digital Voltmeter Ammeter Wattmeter Instruction Manual

YJ-USB01 • July 2, 2025

The YOJOCK USB Tester is an advanced digital instrument designed for real-time monitoring of various electrical parameters of USB-powered devices. It accurately measures voltage, current, power, capacity, and…

YOJOCK USB C Tester User Manual

FT-ut003 • July 2, 2025

User manual for the YOJOCK USB C Tester, a 2-in-1 digital multimeter for measuring voltage, current, capacity, and more. Includes setup, operation, maintenance, and troubleshooting.