RuiDeng UM34C - User Manual

Instructions for USB Tester with Full Colour Display
-Model: UM34/UM34C
Date:2019.9.25
Dear Customer,
Thank you for purchasing this Full Colour USB Tester from Hangzhou Ruideng Technologies Co.,
Ltd. Prior to using this product we recommended that you briefly familiarize yourself with these
instructions. In order to ensure the correct operation and use of the device. We also advise that
you keep these instructions in a safe place for future reference as may be needed.

RuiDeng UM34C Specifications

General

Model	UM34C
Category	USB Tester
Current Measurement Resolution	0.001A
Temperature Measurement Range	0°C - 80°C
D+ Voltage Range	0-3.3V
D- Voltage Range	0-3.3V
Refresh Rate	2Hz
Data Logging	Yes
USB Ports	1
Resistance Measurement Range	0 - 9999Ω
Capacity Measurement Range	0 - 99999mAh
Load Impedance Range	0 - 9999Ω
Display Screen	1.44 inch color LCD
USB Interface	USB Type-A
Operating Temperature	0°C - 45°C

Summary

Technical Parameters

Function Interfaces

The Core Function

Device Layout

Interface Prompt Representing Functions

Operating Instructions

Main Measurement Interface

Displays voltage, current, capacity, energy, temperature, and impedance.

Quick Charge Recognition Interface

Identifies fast charging protocols like QC2.0, QC3.0, APPLE 2.4A.

Charging Recording Interface

Records accumulated capacity, energy, and elapsed time with a REC indicator.

Data Connection Cable Impedance Measurement Interface

Measures cable resistance by comparing direct connection vs. connected via cable.

Measurement Graphing Interface

Displays voltage and current fluctuations over time, and D+/D- voltage graphing.

System Parameter Setting Interface

Configures auto screen off, brightness, temperature units, and theme colors.

UM34 C Android APP Instruction

APP Installation

Guides on downloading and installing the UM Meter Android application.

APP download

Provides methods for downloading the Android app via link or Google Play.

APP installation

Illustrates the process of installing the downloaded APK file on an Android device.

Installation succeed

APP Connection & Operation

Connects the app to the USB tester and describes initial operational steps.

APP interface

Details the main interface and features of the UM Meter Android application.

UM34 C IOS APP Instruction

APP Connection & Operation

Guides on connecting the app to the USB tester and using its features.

APP update

Explains how to update the iOS application to the latest version.

Explanation of terms

Basic Operational Knowledge

measure the capacity of power bank

Provides methods to measure power bank capacity using the USB tester.

Measuring the quality of data cable

Details two methods for assessing the quality of data cables.