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By certification 
Application:Any cases to measure the totational speed of a rotating object and to inspect the defect on its surface without the need to adhere any mark to reflect the light,and thereby without the need to halt the object from its rotation.
Measurement Range：A：50~12000FPM
B：50~40000 FPM
C：50~20000 FPM
D：50~30000 FPM
E：50~2000 FPM(fit for print and textile)
Display：5 10mmLCD
Accaracy：-+(0.05%n+1d)
Resolution：0.1 FPM( Less 1000 FPM)
1 FPM(Over 1000 FPM)
Sampling time：0.3second
2 ranges：H、L (High,Low )
Flash adjust：Coarse adjustment、fine adjustment , ×2 and ÷2 for fast check
Triggering Mode：Interior/Exterior
Temperature：0~40C
Humidity：Less than 85%RH
Measurement Range：A：50~12000FPM
B：50~40000 FPM
C：50~20000 FPM
D：50~30000 FPM
E：50~2000 FPM(fit for print and textile)
Display：5 10mmLCD
Accaracy：-+(0.05%n+1d)
Resolution：0.1 FPM( Less 1000 FPM)
1 FPM(Over 1000 FPM)
Sampling time：0.3second
2 ranges：H、L (High,Low )
Flash adjust：Coarse adjustment、fine adjustment , ×2 and ÷2 for fast check
Triggering Mode：Interior/Exterior
Temperature：0~40C
Humidity：Less than 85%RH
