It can be widely applied to instantaneous speed, acceleration, regular speed measuring experiments to verify mechanic laws with digital time.
Specification:
Usable length: 1.2m, 1.5m, 2m
Floated weight: L=150mm , 0.5kg≤M≤0.8kg
Required air supply: Air pressure >450mm, Water column flowrate >0.4M3/min
Linearity error: ≤0.1mm in full length
Slipper floating weight: = 3 times of slipper weight
P=5.8KPa
Slipper flating height: ≥0.1mm