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EMAX 1-4S Digital Servo Tester/ESC Consistency Tester

Can be synchronized output control 4 servos and used to:

  • Compare the performance steering gear
  • Control of the steering servo output signal can be accurate to 2us (1 milliseconds = 1000 microseconds), you can test the steering gear is able to respond to subtle changes.
  • With PPM signal test function in the display the input PPM signal changes while the input the PPM signal synchronization output to the servo.


  • Input voltage: DC/5-6V
  • Output signal width: 800-2200us
  • Energized automatically enter manual mode (Manual) 20us
  • 50H analogue servo signal cycle, frequency 50HZ, rotary potentiometers to decrease or increase the width of the output pulse.

Button the Select

  1. S-1 manual mode (Manual)
  2. S-2-bit mode (Neutral)
  3. S-3 automatic mode (Automatic)

Keys pulse width

  • 50H analogue servo signal cycle 20us frequency 50Hz
  • 125H digital servo signal cycle 8us frequency 125Hz
  • 250H Digital Servo signal cycle 4us frequency 250Hz
  • Warning: Digital or analogue signal button to select the corresponding servos and then plug in the steering servo, to avoid damage to the steering servo.



    £10.99 Each

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