Description
The QDB-4A Automotive Drive Simulator is a professional-grade diagnostic tool designed to test ignition coils, injectors, solenoid valves, stepper motors, and other electronic components—all in one compact device. Perfect for auto technicians, engineers, and enthusiasts, this advanced tester helps you quickly identify faults and verify component performance, saving time and improving diagnostic accuracy.
Specifications
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Model: KW-QDB-4A
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Voltage: 12V–24V DC
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Power Input: DC 8–28V
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Output Current: 0–2.5A (VADJ Out: 0–1.5A)
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Step Motor Output: Max 15A
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Output Frequency Range: 1Hz–100kHz
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Duty Cycle Adjustment: 1%–100%
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Adjustable Voltage Output: 1.25V–11.5V
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Software/Hardware Version: V6.8
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Display: Large digital screen for easy operation
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Certification: CCC
Materials & Build
Constructed from durable industrial-grade plastic, the KW-QDB-4A is lightweight yet strong enough for workshop environments. The ergonomic design and clearly labeled interface make testing straightforward and efficient. It’s equipped with high-quality connectors and cables to ensure reliable performance during repeated use.
Dimensions & Weight
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Product Size: 17 × 9.8 × 2.8 cm
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Product Weight: 175 g
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Total Package Weight: 0.39 kg
Compact and portable, it’s easy to carry around your workshop or diagnostic area.
Functionality & Practical Uses
The QDB-4A serves as a universal automotive testing simulator, capable of driving and testing:
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Ignition coils: Independent, coil-type, and module-type.
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Fuel injectors: For both 12V gasoline and 12V/24V diesel systems.
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Solenoid valves and metering valves: Adjustable duty ratios for accurate simulation.
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Motors and stepper motors: Including idle control motors, instrument gauges, and headlight follow-up systems.
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Sensor simulation: Adjustable Hall signal output for testing air conditioning and airflow sensors.
With built-in reverse connection and overcurrent protection, this tester ensures safe operation while delivering precise control of frequency, duty cycle, and voltage. It’s an essential tool for automotive diagnostics, component verification, and technical training.
Power & Electrical
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Operating Voltage: 12V–24V DC
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Power Consumption: 1W
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Protection: Reverse connection and overcurrent protection
Inside Package
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1 × QDB-4A Main Tester
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1 × Power Cable
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3 × Test Connection Cables
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4 × Single Plugs
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1 × Idle Speed Stepper Motor Plug
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1 × Stepper Motor Welding Cable
Get professional-level diagnostic precision with the KW-QDB-4A Drive Simulator. Whether you’re testing ignition systems, injectors, or stepper motors, this all-in-one device simplifies complex tasks, improves workflow, and ensures accurate results every time. A must-have tool for any serious automotive technician or workshop.