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Descriptions:
- This product is made of DIY, the appearance requirementsHigh friends please take care! Effective induction area, high sensitivity. Strong adaptability, stable performance and high precision.
- The tachometer is mainly used for:Physical acceleration experiment, projectile free fall experiment, nerf toy speed measurement, children's soft toys, etc..
- Tips: This is a small overall, inappropriate test slingshot!
- The speed of the instrument is not very understanding of friends can look at the video.
- Screen address: tudou.com/programs/view/Kf3HYdAfy9k/
Features:
- 12 sets of infrared sensor heads before and after, to avoid leak detection
- Four-sided hollow design to prevent airflow interference
- Simultaneously record 40 sets of speed and kinetic energy data for easy viewing
- Large channel: 46*68mm
Reference parameters
- Working voltage: DC3.7-4.2VAlready builtlithium battery)
- Working environment temperature: -30 ~ +60
- Accuracy: test error≤1%
- Measuring range: 1-800 M /S
- Other: the four sides of the hollow design, not only visual field, but also to alleviate the impact of airflow measurement. Improved stability and accuracy of the test.To measure the velocity of the projectile propelled by the air pressure, please measure the distance - from the machine 4-8 cm, so that the air flow can be disturbed to get stable and accurate data
- Function: velocity measurement /Speed energy/ Look through records
Package included:
- 1 x Speed Meter
- 1 x Tripod
- 1 x USB Charging Cable
