1. Introducción
The Aideepen 4-30V 0-5.0A USB C Tester Voltmeter is a compact and versatile device designed to measure various electrical parameters of USB-C compatible devices. It features a 0.96-inch IPS color LCD screen for clear data display and supports bidirectional testing. This manual provides essential information for the safe and effective use of your USB C Tester.

Image: The Aideepen USB C Tester Voltmeter, showcasing its compact form factor and the vibrant display.
2. Características del producto
- Multifunctional Type-C Tester: Detecta vol.tage, current, capacity, power, and other real-time data.
- Pantalla de alta definición: 0.96-inch IPS color LCD screen with 160-degree wide viewing angle, high brightness, and long lifespan.
- Función de memoria de apagado: Stores capacity and energy data for later viewing, suitable for mobile power measurements.
- Prueba bidireccional: Supports connection in both directions.
- Amplia aplicabilidad: Compatible with QC2.0, QC3.0, and PD fast charging protocols. Ideal for quality inspection of 3C digital peripherals.

Image: The USB C Tester highlighting its HD color screen and compatibility features.
3. Configuración y conexión
The USB C Tester is designed for simple plug-and-play operation. It can be connected in two directions, allowing for flexible use with various devices and chargers.
- Identify the USB-C port on your power source (e.g., USB charger, PD charger, power bank).
- Connect one end of the Aideepen USB C Tester to the power source's USB-C port.
- Connect your device (e.g., mobile phone, notebook) to the other end of the Aideepen USB C Tester.
- The tester's screen will automatically light up and display the measurement data.

Image: Connection diagram illustrating how to connect the USB C Tester between a charger and a device, supporting both USB and PD chargers.
4. Instrucciones de funcionamiento
4.1 Display and Data Interpretation
The 0.96-inch IPS color screen displays multiple parameters simultaneously, including voltage (V), current (A), capacity (mAh), energy (mWh), load resistance (Ω), power (W), temperature (℃), and measurement time (T).

Imagen: Una imagen ampliada view of the tester's display, emphasizing its 4-digit precision for accurate readings.
4.2 Funciones de los botones
- Prensa breve: Switches between different display pages to view various data sets.
- Doble pulsación rápida: Rotates the display orientation by 180 degrees for convenience.
- Mantener pulsado (3 segundos): Clears all stored capacity and energy data.
4.3 Memoria de apagado
The device retains capacity and energy data even after being disconnected from power. This allows for cumulative measurements over time, particularly useful for evaluating power banks or battery capacities.
5. Mantenimiento
- Keep the device clean and dry. Avoid exposure to liquids or excessive moisture.
- No intente desmontar ni modificar el dispositivo, ya que esto anulará cualquier garantía potencial y puede causar daños.
- Guarde el comprobador en un lugar fresco y seco cuando no esté en uso.
- Evite dejar caer o someter el dispositivo a impactos fuertes.
6. Solución de problemas
- Sin pantalla: Ensure the tester is correctly connected between a power source and a load. Check if the power source is active.
- Lecturas inexactas: Ensure connections are secure. If issues persist, try connecting to a different power source or device to rule out external factors.
- Data not clearing: Ensure you press and hold the button for at least 3 seconds to clear stored data.
7. Especificaciones
| Parámetro | Valor |
|---|---|
| Volumentage Rango de medición | 4-30 V |
| Rango de medición actual | 0 5-A |
| Volumentage Resolución | 0.002 A |
| Resolución actual | 0.002 A |
| Rango de medición de capacidad | 0-999999 mWh |
| Rango de resistencia de carga | 1-9999.9 Ω |
| Rango de medición de potencia | 0-150 W |
| Rango de medición de temperatura | 0-80 ℃ |
| Rango de medición de energía | 0-999999 mWh |
| Measurement Time Range | 0-99 horas |
| Interfaz de producto | USB-C 24-pin |
| Test Direction | Bidireccional |
| Tipo de pantalla | Pantalla a color IPS de 0.96 pulgadas |
| Número de modelo | A7X-JM0425A |
| Peso del producto | 20 gramos |
| Dimensiones | 12 x 10.3 x 2.1 cm (Paquete) |
8. Wide Application ExampLos
The Aideepen USB C Tester is suitable for a variety of applications, including:
- Testing mobile power banks
- Evaluating USB chargers and PD chargers
- Monitoring car chargers
- Checking the performance of cell phones and notebooks
- Verifying data line quality
- Interfacing with electronic loads for testing

Image: An illustration demonstrating the wide range of applications for the USB C Tester with different devices and power sources.





