Load Cell Resistance SWAG For Weight

[Bob O]

Can I use the resistance measurement in an un-powered compression load cell to “estimate” the load on it?
I have four that are physically installed and each measure ~2.1kΩ. On the bench according to the data sheet they should read 7.5kΩ +/- 400 and are rated for 7.5kLbs each. So, can I “estimate” that the current load is ~21.6kLbs?


The cells are KM load disk II.


Thanks,

 

[GaryS]

Short answer is NO
load cells are wheatstone bridge
https://en.wikipedia.org/wiki/Wheatstone_bridge
the resistance between any 2 leads will not change with load

 

[Bob O]

Thanks Gary.