Multiple Test Ranges: QDB-5A fault detector can test sensor signal measurements, signal simulations, fuel injectors and nozzles, ignition coils, PWM signal control components, and stepper motors
Multiple Functions: Upgraded ignition coil tester supports multiple practical functions: ignition drive, built-in oscilloscope display, electrical parameter (current/resistance/voltage) detection, PWM signal and drive, stepper motor drive testing, and voltage output adjustment, meeting the needs of more diagnostic and debugging scenarios
User-friendly: Coil tester supports flexible adjustment of coil current (0–3.5A), frequency (1Hz–100kHz), and duty cycle (1%–100%)
Protection Design: QDB-5A Ignition coil tester has a built-in automatic overcurrent protection mechanism, which effectively improves the safety of use and is suitable for coil testing scenarios of various vehicle types, from small cars to heavy trucks
Packing Include: 1 pcs ignition coil tester, 1 pcs Power cable, 3 pcs Single plugs, 1 pcs Idle speed stepper motor plug, 1 pcs Stepper motor welding cable, 1 pcs instruction book