Description

Item Name:  Speed Measuring Instrument
Measuring range: 1-2000M/S (4-6500 FPS)
Range of energy measurement: 0.1-6000J
Accuracy: Measurement error ≤1%
Working Temperature: -30℃ - 60℃
Voltage: DC6 V ( need four AA batteries)
Not included battery because of to shipping restrictions.
Size: 33.5x21.8x29.2cm / 13.1x8.58x11.5"
Weight: 578g
Material: Aluminum Alloy
Package:1 Set Speed Measuring Instrument

This product does not contain tripod and batteries.
Can be mounted on tripop or just placed on table/bench top ( table/bench/or tripod included).
Speed measurement, energy measurement, speed energy, browsing records and checking averages.
The utility model has the advantages of large effective induction area, convenient use and high sensitivity.
Strong adaptability to ambient light.
The core components are industrial-grade package, stable performance, small error.
Can save 36 sets of data, you can see the average.

Mainly used to learn and experience the high-speed data processing ability of single chip microcomputer, which can measure the flight speed of various projectiles.
Apply for table tennis, badminton, bow and arrow, physical acceleration experiment, projectile free fall experiment, NerF toy speed measurement, children's soft toys, etc.

Shipping 
Please reconfirm the shipping address after the Payment. we will arrange the shipment within 48 hours after receiving your order(business days is not include weekend and holiday). 
Returns 
1) Please contact us first before you start a return. 
2) The item comes with 30 Days Money Back Guarantee. 
3) If the item is defective or not as described, we will take the responsibility. 
4) If you purchased wrong item, don't like it or don't need it any more, the return shipping fee will be at your cost. 
5) Our warranty does not extended to any products that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part. 
6) We accept the return within 30 days after you receive the item. But you need pay for the shipment. After we received your return, we will refund you immediately. 
About Us 
Please don't leave us neutral or negative feedback before contacting us. We will do our best to resolve your issue until your satisfaction. 
Contact Us 
If you have any questions or advice, please don’t hesitate to contact us. we will reply within 24 hours on weekdays. if there have any problem when you receive your item, or you have any questions about the shipping, please don't leave negative or neutral feedback before you contact us. we promise to help you solve the problem well. thanks in advance.