I.Product Overview: 
The wheelchair speedometer is suitable for testing the speed, acceleration and deceleration of electric wheelchairs, electric motorcycles, electric tricycles and electric vehicles. It is convenient for testing in various outdoor environments, with high experimental accuracy and good data repeatability. 
II. Meets Standards 
It was designed and manufactured in accordance with the requirements of Sections 7.4.1 and 7.4.2.1 of GB12996-2012. 
III. Specifications and Parameters
1. Meets the requirements for measuring vehicle speed during riding (acceleration, speed)
2. Instrument accuracy: ±2%
3. Measurement range:
4. Speed: 0.5 - 80.0 km/h
5. Distance: 0 - 20,000 m
6. Time: 0 - 99,999 s