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Topic: (ask)accelerometer up to 20G? (Read 1 time) previous topic - next topic

topfirst

i want to buy a accelerometer that can be work in high G (about up to 20G). what kind of accelerometer it this??

robtillaart


What is the lower range?
What is the accuracy you need?
Waht is the precission?  (#digits)

Professional - http://www.directindustry.com/industrial-manufacturer/accelerometer-62014.html - ???
Or - http://www.sherbornesensors.com/dyn/datasheets/datasheeta640-issue5.pdf -

1g    The acceleration exerted by the Earth's gravity on an object or person (for example, a cell phone on a desk experiences 1 g of acceleration).
0-2g    The acceleration range experienced by a person when walking.
10-50g    The acceleration experienced by an automobile in a typical crash.
100-2,000g    The acceleration experienced by a laptop if it is dropped from a height of three feet onto a concrete floor.
50,000g    The acceleration experienced by a munition when shot from a cannon.
Rob Tillaart

Nederlandse sectie - http://arduino.cc/forum/index.php/board,77.0.html -
(Please do not PM for private consultancy)

topfirst

i want an accelerometer like MMA3201, but it has 3 axis.
this datasheet of MMA3201
http://www.alldatasheet.com/datasheet-pdf/pdf/188041/FREESCALE/MMA3201.html

Is 16g enough? Then you could use the BMA180 or ADXL345. Both can be setup to sense up to 16g.
www.bajdi.com

robtillaart

Quote
i want an accelerometer like MMA3201, but it has 3 axis.


just use one and ignore the other 2?  At least you can start building/testing?
Rob Tillaart

Nederlandse sectie - http://arduino.cc/forum/index.php/board,77.0.html -
(Please do not PM for private consultancy)

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