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YH770 Digital Controller for Fuel Injection Pump Test Bench with Frequency Inverter Support
The YH770 is an advanced multifunctional control unit specifically designed for frequency-controlled fuel injection pump test benches. Utilizing high-performance single-chip microcomputer technology, this controller provides high-precision measurement and display of fuel injection quantity, spindle speed, and oil temperature. It is engineered to be compatible with all major brands of frequency inverters, offering a seamless upgrade or replacement for diesel repair equipment.
With its unique anti-interference technology, the YH770 ensures stable operation in demanding workshop environments. It supports self-adaptive calibration to match various types of test benches and gear ratios, making it a highly versatile solution for maintaining and testing various diesel fuel pumps.




Advanced Microprocessor Control: Utilizes high-end single-chip technology for accurate data processing and system stability.
Universal Inverter Compatibility: Specifically designed to work reliably with any brand of frequency inverter on the market.
Enhanced Anti-Interference: Incorporates unique electronic shielding and logic to ensure stable performance under high-load conditions.
Adaptive Calibration: Features a self-learning mode that automatically adapts to different test bench configurations and gear settings.
Precision Speed & Temperature Monitoring: Real-time display and over-temperature indication (0-99.9°C) to protect equipment and ensure test accuracy.
Pre-set Storage: Supports up to 10 groups of spindle speed presets for quick switching between different testing stages.
| Technical Parameter | Specifications / Range |
|---|---|
| Product Model | YH-770 Multifunctional Controller |
| Speed Range | 20 ~ 4000 r/min |
| Speed Presets | 10 Groups (0-9 gears) with manual fine-tuning |
| Oil Injection Counts | 50 ~ 4000 times |
| Temperature Range | 0 ~ 99.9 °C (Accuracy: 0.5 °C) |
| Power Consumption | Less than 20W |
| Control Features | Fuel quantity control, counting, speed adjustment, over-temp alert |
| Application | Frequency-regulated diesel fuel injection pump test benches |



Beacon Machine Manufacturing Co.,ltd. 