QDB-2A 3A Car Ignition Coil Tester Car Idle Stepper Motor Solenoid Valve Injector Actuator Fault De 1. Drive and test ignition coils: ignition, group ignition, coil type, module type, etc. 2. Drive and test the fuel injector: 12V fuel injector for gasoline vehicles, 12V 24V fuel injector for vehicles. 3. Drive and test various solenoid valves (duty cycle control type), fuel metering valves, etc. 4. Driving and testing of various duty cycle control motors, urea pump motors, etc. 5. Driving and testing of idle stepper motors, instrument stepper motors, headlight steering stepper motors, etc. 6. Output a Hall signal with adjustable frequency, amplitude, and duty cycle to various duty cycle sensors: air conditioning pressure sensor (duty cycle type), air flow meter (duty cycle type), etc. 7. Working power supply: 12V-24V, with reverse connection and overcurrent protection. 8. Electromagnetic coil driving current range: 0-3.5A 9. Output frequency range: 1Hz-100KHz. 10. Duty cycle adjustment range: 1%-100% 11. Adjustable voltage range: 1.3V-11.5V. Hall signal output amplitude voltage: 1.3-11.5V Colour:Photo Color Material:plastic Package Contents: 1 x Detector 1 cord 3 x Drive test cable 4 x plug 1 x motor plug 1 x bonding wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.