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6. Experiment Procedure
1.0 Go to one of the teststands and open the Matlab App for Experiment 1. Enter your matriculation number and the number of the Experiment Kit you are working with.
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Take your caliper and find the offset value (the value you can still read, even though the caliper is fully closed). This offset value will later need to be subtracted from every measured value. Remark: This step is usually not necessary for high quality calipers!
1.1 O-ring measurements:
1.1.1 Measure the inner diameter of the o-ring using the caliper and the ruler. Note both values.
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1.3.3 Now ask your neighbor to measure your wooden part with their caliper!
- Did 1.3.1, 1.3.2 and 1.3.3 yield the same result? Which of the steps was for testing reproducibility (A) and which for repeatability (B)?
1.4 Measure the volume of one of the cylinders by carrying out the following steps:
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1.5 Measure at least 10 beans from the central container.
1.5.1 Measure the length, width and the diameter depth of the beans and make a table with all values.
1.5.2 Assume that a bean's volume V equals its diameter depth multiplied with its length and its width:
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1.6 (creative) Find a way to measure the volume of a very irregular shape (e.g. your hand) and describe your steps.
1.7
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The following values should be entered to vips in Stud.ip:
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Go to one of the teststands and open the Matlab App for Experiment 1. Enter your matriculation number and the number of the Experiment Kit you are working with. Then enter your values for 1.0, 1.1, 1.2 and 1.3. All values and caluclations for 1.4-1.6 will need to be supplied to vips later.
7. Evaluation of Experiment Results
The following values should be entered to vips in Stud.ip:
- Matriculation number
- reproducibility
- repeatability
- instrument accuracy (1.4.1)
- complete measurement of the volume of the cylinder 1.4.2
- table from 1.5.1
- complete measurement result for 1.5.2 volume
- number of beans in the container 1.5.3
- (free text) explain your measurement steps and the final result of 1.6
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