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
We accept all verified payment from eBay.
We ship most of our orders within 24 hours, and may up to 48 hours for.
If you want faster shipping way. Please contact us before making payment.
Sometimes
due to problems with our transportation company system, your shipping
information may be delayed to update. We recommend that you try again
after 3-4 days. If you still haven't checked the shipping information,
you can contact us by ebay message.
1.30 days warranty from the purchased date. Please contact us via email before returning the defective item.
2.Our warranty does not extended to any product that are physically damaged or that are not under normal operating conditions as result of misuse or improper installation on the buyer/user's part.
3.Return items should include the original packaging and all accessories. buyers must contact us for the returning address.
4.In all cases, buyers pay shipping fees at their own cost to return products for exchange or refund. We will be responsible for the postage of replacements. Refund will be made upon receipt of the returned item.
Pls contact us if you have any problems,we will try our best to solve for you.
