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Sensor to measure force/torque in vacuum's nozzel hinge

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louisa!5

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How can i measure the force exerted by a person on the vacuum nozzle's hinge?

My idea is to cut the vacuum tube into two parts and place a 6 F/T sensor in the tube's connection. Would the measured force/torque be the same as the one at the hinge?

I would be very happy to hear other suggestion as an alternative to this sensor.
 
Can you post a pic of nozzle assembly, what it goes to, whats the hinge ....?


Regards, Dana.
 
Hi Dana, sorry for the late reply. Here is some pics of the hinge.
 

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Maybe easiest low cost is strain gauge (Wheatstone Bridge config) -


If you need actual force use a micro to implement measurements -


lZl0z872sarenc1gNDE2.png


The above is single chip. Note I would not have done what author did here, use PGAs
as amps in differential signal path. Their G mismatch is too poor for this type of
application. Just use the DelSig (ADC) and its front end G trimmed amp settings.

If you just need a trip level then a comparator with Vref would do.



Regards, Dana,
 
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