Universal ESD5221 Speed Controller Stable Performance For Various Engines☜

Feature: \n 1. Using this product can perfectly replace expensive imported products.\n2. The speed controller can cooperate with a variety of engines.\n3. With imported spare parts production, the product is reliable and of good quality.\n4. The already improved circuit is featured with higher stability and better performance.\n5. 100% factory thermoelectric aging experiment can give quality assurance. \n\nSpecification: \nItem Type: ESD5221 speed controllerSpeed Stability: Better than \u00B10.25%\nSpeed Range: 1KHz ~ 7.5KHz\nThermal Stability: Maximum \u00B11%\nIDLE Adjustment: 160\u00B120Hz ~ 95% of rated speed\nDROOP Adjustment: Minimum position: 15Hz\u00B16Hz / load current change per ampere\nMaximum Position 400Hz\u00B175Hz / load current change per ampere\nExternal Speed Adjustment: \u00B1200Hz (external 1K\u03A9)\nAUX Input Sensitivity: 148Hz / 1V., \u00B110Hz.,\nImpedance: 1M\u03A9\nSTART FUEL Adjustment: 160\u00B120Hz ~ 70% of rated speed\nRAMP Time Adjustment: 1.5 ~ 20: