QDB-3A Automotive Ignition Coil Injector Solenoid Valve Tester with PWM Stepper Motor Drive

QDB-3A diagnostic tool drives ignition coils, injectors, solenoid valves, and stepper motors. Features PWM signal output and multimeter functions for quick auto repair.

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Tel / Wechat: 0086-13570429157

Email: ellenzhang@beacon-machine.com

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Introduction

Product Overview:
The QDB-3A is a specialized automotive maintenance drive designed to quickly identify component problems. It combines simple operation with rich functions, serving as a powerful diagnostic instrument for mechanics. Its core capabilities include PWM drive output, stepper motor drive, PWM signal simulation, and integrated voltage/resistance measurement.

Key Functions:

PWM Drive Mode: Directly drives Solenoid valves, Ignition coils, and Solenoid Injectors.
Stepper Motor Drive: Tests Idle motors, Instrument panel motors, and Urea pump step motors.
PWM Signal Drive: Simulates signals for 3-wire Urea pump motors, 3-wire ignition coils, and Electronic fans.
Signal Simulation: Simulates Air conditioner pressure sensors, Rail pressure sensors, and Flow sensors.
Multimeter Function: Integrated Resistance and Voltage measurement for quick circuit checks.

Why Choose QDB-3A?
This tool eliminates the guesswork in diagnosing actuator faults. Whether you are testing an ignition coil on the bench or simulating a sensor signal to the ECU, the QDB-3A provides precise control over frequency, duty cycle, and voltage, making it an essential tool for modern auto repair.

parameter

Item	Specification
Model	QDB-3A
Power Input	DC 9~26V / 100W
Power Output	Current: Max 2.5A; Voltage: Follows Power In
VADJ Output	Voltage: 1.25V~14.5V; Current: Max 1.5A
PWM Drive Output	Frequency: 1~100KHz; Duty: 0.0~100%; Current: Max 3A
PWM Signal Output	Frequency: 1~100KHz; Duty: 0.0~100%; VPP: 1.25V~14.5V
Stepper Motor Drive	Max 1.5A
Multimeter (DMM)	DCV: 0~30V; DCR: 0~1MΩ
Operating Temperature	0~55℃