QDB-5A Automotive Actuator Drive Tester | Integrated Oscilloscope and Multimeter | Ignition Coil/Injector/Stepper Motor Diagnostic Tool

QDB-5A Automotive Actuator Drive Tester | Integrated Oscilloscope and Multimeter | Ignition Coil/Injector/Stepper Motor Diagnostic Tool

The QDB-5A is an integrated diagnostic tool specifically designed for automotive repair and electronic testing. It combines an oscilloscope, digital multimeter (DMM), signal generator, drive test, and voltage regulation functions into a single unit, supporting the drive and testing of components such as ignition coils, fuel injectors, PWM-controlled solenoid valves, and stepper motors. It is suitable for 12V/24V automotive systems.

Key Features and Benefits
Multifunctional Integrated Design: A single device enables waveform observation, parameter measurement, signal simulation, and component drive, covering a wide range of scenarios from basic measurements to complex drive operations.

Built-in Oscilloscope Function: Displays signal waveforms in real time, aiding in the precise analysis of sensor signals and actuator drive pulses.

Comprehensive Multimeter Measurements: Supports DC voltage (0–30 V), resistance (0–1 MΩ), current (0–1.8 A), capacitance (10 nF–1000 μF), and diode testing, with automatic measurement type recognition.

PWM Signal Output and Drive: Frequency range of 1–100 kHz, duty cycle of 0.0–100%, and output voltage of 1.25 V–14.5 V, suitable for driving and testing PWM-controlled components.

Adjustable Voltage Output: Voltage output range of 1.25 V–14.5 V with a maximum drive current of 1.5 A, meeting a wide range of testing needs.

Supports stepper motor drive: Can directly drive idle-speed stepper motors and similar devices, and supports forward and reverse control.

Powerful drive capability: Maximum drive output current of 3 A, maximum power output current of 2.5 A; output voltage varies with the power supply input.

Clear operating instructions: Equipped with a TFT color screen and an intuitive button layout, along with detailed terminal labels, making it easier to get started.

Technical Specifications
Function Module : Parameter Details
Power Input :   DC 9–26 V / 100 W
Drive Output :   Current: Max. 3 A
Power Output  :  Current: Max. 2.5 A; Voltage approximates power supply input
VADJ Voltage Output :   Voltage Range: 1.25 V – 14.5 V; Current: Max. 1.5 A
PWM Signal  :  Frequency: 1–100 kHz, Duty Cycle: 0.0–100%, VPP: 1.25 V–14.5 V
Digital Multimeter (DMM)    DCV: 0–30 V, DCR: 0–1 MΩ, DCI: 0–1.8 A, Capacitance: 10 nF–1000 μF
Stepper Motor :   Maximum Current: 1.5 A
Operating Temperature :   0–55°C
Dimensions  :  157 mm × 98 mm × 30 mm
Applications
Automotive Repair and Diagnostics: Quickly locate faults in ignition coils, fuel injectors, sensors, and actuators.

Electronic Testing and R&D: Verify the performance of PWM signal control circuits, stepper motor drivers, and solenoid valves.

Package Contents
QDB-5A Main Unit ×1
Power Cord ×1
Test Connection Cable ×1
Alligator Clip Cable ×1
Single-Plug Adapter Cable ×1
Idle Stepper Motor Plug ×1
Stepper Motor Solder Wires ×1
Terminal Blocks ×3
User Manual ×1