Specification --Model: ESD5500E --Speed range: 1KHz ~ 7.5KHz--Thermostability: Max.+1%--IDLE adjustment: 16020Hz ~ 95% of rated speed--DROOP adjustment: The minimum position is 15Hz +6Hz/ load current change per ampere--The maximum position is 400Hz +75Hz/ load current change per ampere--External speed adjustment:200Hz (external 1KQ)--Weight: Approx.600g/ 21.2ozNotePlease allow slight error due to manual measurement. Thanks for your understanding.ESD5500E Electronic Governor For Generator is rugged enough to be placed in a control cabinet or engine mounted encosure with other dedicated control equipment. If water, mist or condensation may come in contact with controller, it should be mounted certically. This will allow the fluid to drain away from the speed control unit. Product Picture Product Package Customer Feedback Our Company Our Service