QDB-3A Solenoid Injector Ignition Coil Step Motor Tester

Product Overview

The QDB-3A Automotive Actuator Tester Driver combines PWM drive, stepper motor control, ignition coil driver and signal generator functions in one portable unit. It supports 12V and 24V vehicles and quickly identifies faulty automotive actuators including solenoid valves, solenoid injectors, ignition coils, urea pump motors, idle motors, instrument motors and EGR valves.

Features

• PWM drive output with adjustable frequency 1-100KHz and duty cycle 0-100%
• Stepper motor driver for idle motor, instrument motor, headlight motor testing
• Ignition coil driver for 2-wire ignition coil diagnosis
• Solenoid valve / solenoid injector / EGR valve testing in 2-wire mode
• 3-wire signal drive mode for urea pump motors and similar actuators
• PWM signal generator with VPP adjustable from 1.25V to 14.5V
• DC voltage and resistance measurement (0-30V DCV, 0-1MΩ DCR)
• Built-in adjustable power supply 1.25-14.5V / Max 1.5A
• Color display with real-time parameter readout
• Universal fit for 12V and 24V automotive systems

Specification

• Power In: DC 9-26V / 100W
• Power Out: Max 2.5A / Voltage matches Power In
• VADJ Out: 1.25V-14.5V / Max 1.5A
• DMM: DCV 0-30V / DCR 0-1MΩ
• PWM Signal: 1-100KHz, Duty 0.0-100%, VPP 1.25V-14.5V
• PWM Drive: 1-100KHz, Duty 0.0-100%, Current Max 3A
• Step Motor: Max 1.5A
• Operating Temperature: 0-55℃

Package

• 1 x QDB-3A Main Unit
• 1 x Test Cable Set
• 1 x Power Adapter
• 1 x User Manual

Advantage

• All-in-one diagnostic tool for solenoid valves, injectors, ignition coils and stepper motors
• Adjustable PWM 1-100KHz with 0-100% duty cycle for versatile actuator testing
• Built-in stepper motor driver for idle motor, instrument motor and headlight motor diagnosis
• Integrated oscilloscope-style signal generator with VPP 1.25V-14.5V adjustable
• Supports both 12V and 24V automotive systems with universal compatibility
• Portable handheld design with color LCD and intuitive knob control