piclist 2001\01\28\232147a >
Thread: Force or weight sensor and PIC interface
www.piclist.com/techref/microchip/ios.htm?key=sensor
picon face BY : Russell McMahon email (remove spam text)



I was not able to find any inexpensive load cells that could measure 200
lbs. Did I miss something or are they just expensive?

The capacity of load cells are in general terms NOT a function of the sensor
element but of the mechanical structure whos edeflection they are measuring.
A larger cell will be bending a larger or stronger piece iof material and so
MAY be more expensive.
It is possible to make your own load cells of sensibly indefinitely large
capacity by using standard strain gauge foils attached to a deflection beam
of your choice.

RM

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