Error on a weighing scale due to wrong size

In summary, the conversation discusses the potential error in measurements when using a weighing scale with a tray that is smaller than the object being weighed. It is suggested to test with different shapes and directions to determine the exact error, but it is estimated to be zero in most cases.
  • #1
cloa513
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If you have say a 15 centimetre long piece of rigid plastic and the weighing scale's tray is only 10 centimetres, what is an estimate of the error that introduces in the measurement assuming the weight is still within normal parameters for the weighing scale. I was wondering what the approximate error in general for moderately rigid materials? It happens now and again at work.
 
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  • #2
I would expect zero, unless the overhanging part is resting on something or the weight distribution is so uneven it's tilting the pan.

What shape are the things you weigh? Can you hold them vertical somehow so they are fully within the pan? For example, if they are rod-shaped they could be placed horizontally across the top of a cup and then nearly-vertically in it. Then you could compare the measured weights with and without an overhang as a test. Remember to repeat each measurement a few times (take everything off the scale and put it back on) to check your precision.
 
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Likes Lord Jestocost
  • #3
Shape of things- plates.
 
  • #4
Hard for you to test, then. The answer is still zero.
 
  • #5
cloa513 said:
I was wondering what the approximate error in general for moderately rigid materials?
Experiment with a test item, offset and hanging over the pan in different directions. Then break it up and weigh it in the pan. How much variation do you see?
 
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1. What is the most common cause of error on a weighing scale due to wrong size?

The most common cause of error on a weighing scale due to wrong size is using the wrong size weights or objects to calibrate the scale. This can throw off the accuracy of the scale and lead to incorrect measurements.

2. How can I determine if my weighing scale is affected by a wrong size error?

You can determine if your weighing scale is affected by a wrong size error by performing a calibration test. This involves using known weights or objects of the correct size to calibrate the scale and checking if the measurements are accurate. If the measurements are off, it is likely that the scale is affected by a wrong size error.

3. Can a wrong size error on a weighing scale be fixed?

Yes, a wrong size error on a weighing scale can be fixed. The scale will need to be recalibrated using the correct size weights or objects. It is important to regularly check and calibrate the scale to prevent any errors.

4. How does a wrong size error affect the accuracy of a weighing scale?

A wrong size error can significantly affect the accuracy of a weighing scale. Using weights or objects that are too large or too small can throw off the scale's calibration and lead to incorrect measurements. This can be especially problematic in scientific experiments or industries where precise measurements are crucial.

5. What are some tips for avoiding a wrong size error on a weighing scale?

To avoid a wrong size error on a weighing scale, it is important to use the correct size weights or objects for calibration. It is also recommended to regularly check and calibrate the scale to ensure accuracy. Additionally, handling the scale with care and avoiding any damage to the weighing platform can also help prevent errors.

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