Muzzle Speed Meter Velocimetry Anemometer Valence Tester with Tripod Speed Measuring Instruments Speedometer

Overviews 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 childrens soft toys etc Tips This is a small overall inappropriate test slingshot 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 kineti energy data for easy viewing Large channel 46 68mmSpecifications Working voltage DC3 7 4 2V Already builtlithium battery Working environment temperature 30 60 Accuracy test error1 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 speed 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 speed Measurement Speed energy Look through recordsPackage included 1 x Speed Meter 1 x Tripod 1 x USB Charging CableDetails Pictures