Features:
Aluminum alloy, stainless steel material, support rod, speed measurement, energy measurement, speed energy, scrolling records and viewing average values.
This product is made by DIY, with the purpose of being simple, practical, accurate and durable.
It is mainly used to learn and experience the ability of single-chip microcomputer to process data at a high speed, and can measure the flight speed of various projectiles. Such as: table tennis, badminton, bow and arrow, physical acceleration experiment, free fall experiment of projectile, nerf toy speed test, children's soft toy, etc.
The core components adopt industrial-grade packaging, with stable performance and small errors.
This product has accurate speed for projectiles with a speed of 0-3000 m/s.
The utility model has the advantages of large effective sensing area, convenient use, high sensitivity and the like.
It is highly adaptable to ambient light and can be used indoors and outdoors at day and night.
You can save 80 sets of data, and you can see the average value.
Specifications:
Voltage: DC 6V
Battery (not included): 4*AA battery
Working temperature: -30℃-60℃
Accuracy: test error ≤0.5%
Measuring range: 0-3000M/S (FPS range 30-9999)
Standard tripod can be installed
Item size: 330 * 80 * 44mm / 12.99 * 3.15 * 1.73in
Item weight: 436 grams / 0.96 pounds
notes:
This product is infrared radiation type, the light source has been integrated in the machine, no external light source is needed. Recommended for low-light environments. The darker the ambient light, the better the machine performance. Under outdoor use and strong light conditions, a hood must be added.
When measuring the velocity of the projectile at a higher speed. Please take appropriate protective measures. In order to prevent the projectile from rebounding after hitting the machine and causing damage.
When installing, pay attention to the marks on the left and right sides of the light bar, and the light bar with lights faces down.
Package includes:
1*Speedometer
3*Heat shrink tube light bar
4*Pure copper rod
1*Screwdriver
1. We accept payment via Paypal only.
2. Payment must be made within 7 days, Non-payment may result in an UPI (Unpaid Item).
3. After the items are mailed the buyer want to change the color and size, we can not accep1.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal
address is correct before you pay.
2.Items will be shipped within 10-15 business day when we received payment.
3.Delivery time depends on destination and other factors;
4.International buyers please note:
1>.Import duties, taxes and charges are not included in the item price or shipping charges.
2>.Please check with your country's customs office to determine what these additional costs will be prior to buying.
1. If you're not pleased with your purchase, please kindly contact our customer service representatives via email or ebay "Contact seller"
2. Buyer is responsible for return costs 30 days replacement or money back as you like. Buy with confidence!
3. If you are not satisfied with the item you received, please contact us and then return it within 30 days.You will get a replacement or money back after item returned to our warehouse.
4. If item is defective, you can contact us and send it back to us. We will send a new one to you after receiving the defective item. But you have to pay the extra shipping fee.
1.If you are satisfied with our goods, please give us a positive feedback, thank you for your assistance.
2.If you are not satisfied, please kindly let us know. Your constructive advice will be our motion to revise and improve, thank you for your understanding.
3.You could contact us via ebay message.
4.We
will reply you within 24 hours during working day,it may have a little delay on weekend
1. We accept payment via Paypal only.
2. Payment must be made within 7 days, Non-payment may result in an UPI (Unpaid Item).
3. After the items are mailed the buyer want to change the color and size, we can not accep1.We ship to your eBay or Paypal address. Please make sure your eBay and Paypal
address is correct before you pay.
2.Items will be shipped within 10-15 business day when we received payment.
3.Delivery time depends on destination and other factors;
4.International buyers please note:
1>.Import duties, taxes and charges are not included in the item price or shipping charges.
2>.Please check with your country's customs office to determine what these additional costs will be prior to buying.
1. If you're not pleased with your purchase, please kindly contact our customer service representatives via email or ebay "Contact seller"
2. Buyer is responsible for return costs 30 days replacement or money back as you like. Buy with confidence!
3. If you are not satisfied with the item you received, please contact us and then return it within 30 days.You will get a replacement or money back after item returned to our warehouse.
4. If item is defective, you can contact us and send it back to us. We will send a new one to you after receiving the defective item. But you have to pay the extra shipping fee.
1.If you are satisfied with our goods, please give us a positive feedback, thank you for your assistance.
2.If you are not satisfied, please kindly let us know. Your constructive advice will be our motion to revise and improve, thank you for your understanding.
3.You could contact us via ebay message.
4.We
will reply you within 24 hours during working day,it may have a little delay on weekend
