Speed Meter For Ball Velocity Energy Measurement Chronograph Bullet Speed Test

Description: Description High Sensitivity Multifunctional for Shooting Speed Meter Ball Velocity Energy Measurement Shooting Chronograph Bullet Speed Description: - 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 ~ +50 - Accuracy: test error≤1% - Measuring range: 1-2000M /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 Payment Terms 1. We accept PayPal,Payoneer,Visa Card,Google pay,Credit card etc. 2. We ship to your eBay or Paypal address. Please make sure your eBay and Paypal address is correct before you pay. Shipping Terms 1. We will process the order within the handling time ,if you have any questions, please contact us via eBay message or email. 2. For remote regions of DHL/FedEx..., extra shipping costs might be charged. Usually it costs about 30USD-50USD. We will contact you if shipping company informed us your address belongs to remote area. Thanks for your understanding. Return Terms If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. We will guide you the returning process for replacement or refund. Custom Duties & Taxes 1. It is buyer's responsibility to cover the import duties, taxes.We do not charge any taxes and fees, and the possible taxes and fees will be collected by the platform or by third parties such as customs and carriers. 2. Please check with your country's customs office and inform us what/how much should declare before shipping. Feedback 1. Please kindly leave us a positive feedback and 5 star DSR if you satisfied with our product and service. Please feel free to contact us firstly if you have any problem with your order, we are responsible and credible seller and will solve the issue it for you asap. 2. If you are dissatisfied for any reason, please don't be quick to leave us neutral or negative feedback. We work hard to make sure EVERY CUSTOMER 100% SATISFIED and resolve any problem for you and always leave positive feedback to all our customers. On Feb 5, 2023 at 18:45:12 PST, seller added the following information:

Price: 30.39 USD

Location: Shenzhen

End Time: 2024-11-06T02:39:55.000Z

Shipping Cost: 3 USD