QDB‑3A Automotive Ignition & Actuator Tester | Professional Diagnostic Tool

2026-04-23T17:09:31+08:00

Tipo: Engine Service Tool
Preço: 39.99

Diagnose faster, repair smarter, and work safer with the QDB‑3A—the all‑in‑one automotive tester that replaces multiple tools to fix ignition, fuel injection, solenoids, stepper motors, and sensors in minutes. Built for mechanics, garages, DIYers, and fleet techs, it works on 12V & 24V gas and diesel vehicles alike.

Key Functions

🔌 Ignition Coil Testing

Test independent, coil‑on‑plug, and module‑type ignition systems to quickly spot weak coils, misfires, and driver failures.

⛽ Fuel Injector Tester

Drive and diagnose 12V gas and 12V/24V diesel injectors to verify spray pattern, response, and electrical health without removing parts.

🛠️ Solenoid & Actuator Drive

Test duty‑cycle solenoids, fuel metering valves, idle motors, instrument steppers, headlight adjusters, urea pumps, and more.

📡 Sensor Signal Simulation

Adjustable Hall‑effect signal (frequency, amplitude, duty cycle) to simulate pressure sensors, MAF, and other duty‑cycle inputs for ECU testing.

🛡️ Safe & Stable Design

Input: DC 8–28V (works with 12V/24V systems)

Reverse‑polarity + overcurrent protection

Coil drive: 0–3.5A

PWM: 1Hz–100KHz, 1–100% duty cycle

Adjustable output: 1.25V–11.5V

Voltage/resistance meter: 0–30V / 0–1MΩ

🧳 Portable & Durable

Compact, lightweight case

Clear controls for beginners and pros

Rugged build for shop and field use

Works on cars, trucks, vans, SUVs, and diesel equipment

Who It’s For

Professional auto technicians & repair shops

Mobile mechanics & roadside service

DIY enthusiasts & home garages

Fleet maintenance for trucks & diesel vehicles

Training centers & automotive students

Item | Specification
Model | QDB‑3A
Input Voltage | DC 8–28V (12V/24V compatible)
Coil Drive Current | 0–3.5A
PWM Output | 1Hz–100KHz, 1%–100% duty
Adjustable Voltage | 1.25V–11.5V
Metering | DC 0–30V, 0–1MΩ resistance
Dimensions | Approx. 16×10×3 cm
Weight | ~0.5 kg (with package)
Warranty | 12 months

Package Includes

1 × QDB‑3A Main Unit

1 Set Premium Test Leads & Accessories

1 × User Manual

1 × Gift Box

1 × 12‑Month Warranty Card

Why Choose QDB‑3A

✅ All‑in‑one diagnostic tool – saves time and money

✅ Wide vehicle compatibility – 12V/24V, gas/diesel

✅ Safe, protected circuits – no damage to vehicles or tools

✅ Easy to use – no complex training

✅ Portable & tough – shop‑ready and field‑proven

Upgrade your diagnostic toolkit today. Fix faster, diagnose smarter, and get vehicles back on the road quicker with QDB‑3A.