instruments that can quickly identify component problems. The main functions include PWM drive output, stepper motor drive, PWM signal output, voltage, resistance measurement. 【High Precise Simulation】: The Hall signal with adjustable output frequency, amplitude, and duty ratio can accurately simulate various duty cycle sensors such as air conditioning pressure sensors and air flowmeters. 【Wide Adjustment Ranges】: The electromagnetic coil driving current ranges from 0 to 3.5A, the output frequency ranges from 1HZ to 100KHZ, the duty cycle adjustment is 1%-100%, and the adjustable voltage is 1.25V-11.5V, catering to different testing requirements. 【User-Friendly】: Easy to operate, all parameters are adjustable, making it easy to operate even for those without professional knowledge. Specifications: Name: Ignition Coil Tester Material: ABS PWM drive: Solenoid valves/lgnition coil/Solenoid Injector Step motor drive: Idle motor nstrument panel motor/Urea pump step motor PWM signal drive: 3-wire ignition coil/3-wire Urea pump motor/Electronic fan Signal output simulation: Air conditioner pressure sensor/Rail pressure sensors/Flow sensors Multimeter function: Resistance measurement/Voltage measurement Power input: 9-26V/100W Power output: Max 2.5A current VADJ output: 1.25-14.5V, max 1.5A current PWM drive: 1-100KHz frequency/0-100% duty/max 3A current PWM signal: 1-100KHz frequency/0-100% duty/1.25-14.5V VPP Step motor: Max 1.5A OTR: 0-55℃ Item size: 165 * 96 * 26mm / 6.50 * 3.78 * 1.02in Package size: 150 * 100 * 60mm / 5.91 * 3.94 * 2.36in Package weight: 550g / 1.21lb Packing List: 1 * QDB-A3 Ignition Coil Tester 1 * Power Cable 3 * Test Connection Cables 3 * Single Plugs 1 * Idle Speed Stepper Motor Plug 1 * Stepper Motor Welding Cable