Products: 
     EDG5500 is a digital speed controller for adjusting the engine speed. It has a high degree of application flexibility, accuracy, precision control any mechanical governor system. EDG5500 in industrial engines, generator sets, all kinds of mechanical transmission, multi-speed fire pump or air compressor and other occasions have been widely used. 

Product performance and features: 
      1, compatible with the mounting holes ESC5500 
      2, a simple LCD user interface and a detailed help tips 
      3, all functions are set by four buttons 
      4, the user interface may be locked to prevent accidental adjustment 
      5, can also set three speed and ready to change, and can be fine-tuned.
      6, you can set the auxiliary input and speed / load ratio 
      7, the amount of fuel can be set to start gentle start-up time 
      8, can be set to switch between different speed of time, avoid sudden sudden reduction 
      9, can be set overspeed protection