Feature: 1. The speed regulator has a wide frequency range and a maximum current output of 15A. 2. Can be applied to steam, diesel and natural gas engines with high sensitivity and small speed changes. 3. Made of high-quality materials, moisture-proof, anti-vibration, and good oxidation resistance. 4. For instant load changes, it can control the engine speed with a fast and accurate response. 5. With engine idle speed setting function, and equipped with control terminals for remote control. Specification: Item Type: Engine Speed Controller Output Current: Minimum 0.5A maximum 15A Operating Frequency Range: 600-9500Hz (MPU speed sensor signal) Idle Frequency Range: 30-85% of operating frequency (adjustable) Sensitivity: When the load is stable, the speed variation range is less than ±0.25% Temperature Difference Stability: No more than ±0.5% between -40-+85℃ Remote Speed Adjustment Range (2 Groups): About ±5% adjustment range when using 5KΩ potentiometer Speed Rise Time: 3-20 seconds (adjustable) Operating Temperature: -40-+85℃ Storage Temperature: -40-+85℃ Relative Humidity: 95% or less Vibration: 3G at 100Hz-2KHz Parameter Adjustment Potentiometer: DROOP: Adjust the rate of speed drop GAIN: Adjust ACT output gain loop INT.: Integral loop stability adjustment RAMP-TIME: Speed rise time SPEED: Speed adjustment IDLE: Idle speed with line DIP Switch Description: SW1: ON 600-1200 Hz SW2: ON 1200-2500 Hz SW3: ON 2500-5000 Hz SW4: ON 5000-9500 Hz. Package List: 1 x Engine Speed Controller1 x User Manual