8000 photoelectric tachometerDetailed product description：

8000 photoelectric tachometer

Technical Specifications:
Measure the rotational speed from 10 to 99999
Accuracy: ± 0.001
automatic transmission
Accurate measurement of rotational speed.
RPM (revolutions per minute)
M/Min (meters per minute)
Ft/Min (feet per minute)
Yd/Min (yards/minute)
Data lock, low voltage display
If not operated within 20 minutes, it will automatically shut down