Help with inconsistent scales

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Gm0289

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Hey guys, so I had this one scale a Salter model which I had used to monitor my weight for ages, however when I stepped on my mothers scale at her house it gave a reading up to 8kg heavier than I weighed my self that morning ( I had not eaten or drank yet) this obviously freaked me out and I need help working it out. I did some testing and put a 8kg weight on each one read 7.9 and one 8.1 so pretty accurate. I also stepped on another Salter scale of the same model which showed the same lower reading of my original scale. So the Salter scales are consistent. But as to why the other scale showed me heavier I don’t know. I also weighed myself holding the 8 kg weight and the other scale said I was 8kg heavier than the original reading on that scale, but
 
Salter is a good brand, and when calibrated are often used for weigh ins for sporting events. however most bathroom scales are not calibrated and are good as a guide only. Simply relying on overall weight for determining health outcomes is not ideal.
 
Salter is a good brand, and when calibrated are often used for weigh ins for sporting events. however most bathroom scales are not calibrated and are good as a guide only. Simply relying on overall weight for determining health outcomes is not ideal.

Thank you
Maybe it is not calibrated correctly I will try to find out how is it easy?
Thanks in advance
 
calibration depends on the model of the scales, a google search for your model would be a good start, usually calibration is straight forward if the model allows for it.
 
the average home scale will not be accurate measuring light weights directly. most cheaply made scales will be most accurate in the range for their intended use. for instance if you want to weigh something that is about 10 lbs, first weigh yourself and then weigh yourself holding the suspected 10 lb weight and subtract. you will probably get a different number than if you just put that weight on the scale itself.

when i go to my doctor's office, i typically weight 2-3 lbs more than if i weighed myself just before i left for his office. frankly i don't care. the scale i use to measure my loss may not be exact, but it is relatively accurate and very repeatable. then again, i'm sure the scale my doctor uses costs many times what my digital bathroom scale cost me. but to me they both have the same value for their intended use.

if you step on and off a scale three times and get three different readings, that is an inconsistent and fairly worthless scale.
 
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