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| Digital Tachometer - Presentation testing |
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| Kiriakos-GR:
I was in need to measure my power drill rotations per minute , so to accurately adjust the speed at the specs of the drill bit that i will go to use. Started searching and got this one ... many digits ( 99.999 RPM ) and looked well made from outside. Got it for 10 EUR , and passed all my tests , inner quality + accuracy . So here it is , my new Digital Tachometer .. http://www.ce360.cn/Home/ce040_Eng/productshow.asp?id=19&mnid=1039&classname=DIGITAL%20TACHOMETER&uppage=/Home/ce040_Eng/product.asp Plus my patent , an Velcro collar , with some of the special reflective tape on it , so to be totally reusable , and to eliminate the need of buying extra reflective tape in the future. Test bed , my PLL controlled direct drive Turntable . The results , more than perfect . The specific Digital Tachometer XXXXC+ , can measure from 2Cm to 50Cm distance ... in my tests I got good readings from 2 meters far .. ;D Enjoy the view .. |
| Kiriakos-GR:
Photos continued ... Testing 33+1/3 RPM & 45 RPM |
| Kiriakos-GR:
And a nice video about turntable records .. ;) https://www.youtube.com/watch?v=je1QjRbDu1E&feature=player_embedded#! |
| Neilm:
I took one look at that and thought wow - I made something similar for my second year project at uni. Wasn't as well packaged though. Neil |
| Time:
Whats the highest rotational speed it can measure? |
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