LFY-296 Anti-High-Speed Particle Impact Performance Tester

Main purpose/Use 
It is mainly used to test the anti-high-speed particle impact performance of personal eye protection equipment. 
Instrument structure 
It is mainly composed of a steel ball launching device, a steel ball speed detection device, and a two-dimensional movement alignment device for eye protection. 
Instrument features 
The steel balls of this device can be adjusted in their launching speed, which can meet the requirements of standards for different launching speeds. The waveform of the speed measurement signal can be observed. The instrument is safe, convenient and intuitive to operate. 
Technical Specifications

1. The diameter of the steel ball is 3mm. 
2. The launch speeds are 44.2 meters per second and 25 meters per second respectively; 
3. The distance between the speed sensors is 150mm. 
4. The timing accuracy of the speedometer is at the microsecond level. 
5. During speed measurement, the sensor signal waveform can be observed. 
6. Standard No. 7 metal head model; 
7. Power supply for the instrument: AC 220V, 50Hz; 
8. Equipment operating environment: Temperature (20 ± 2) ℃; Relative humidity (65 ± 3)%RH. 
Compliant with the standards 
GB 5891-1986 for the testing methods of protective eye protection equipment against impact