Basic Measurements Force, Length

1
Basic Measurements Force, Length Mass

• Determine the accuracy and precision of
  instruments
• What is Product Tolerance?
• How to use Calipers and a Micrometer?
• Measurement Experiment
• Collect Data
• Construct a Histogram

2
Determine the Accuracy and Precision of
Instruments

• Examples
• Uncertainty
• Mass vs. Weight Whats the difference?
• Accuracy
• Measures the deviation of its readings from
  inputs
• Precision
• Repeatability of readings
• Mean Standard Deviation
• Handout

3
How to use Calipers Micrometer

• Calipers
• Micrometer

4
How to Create a Histogram in Excel

• Open Excel
• Go to Help Menu
• Click Create a Histogram
• Read / Review Instructions
• Create a test Histogram

5
Lab Test

• Pair and share
• Label and organize material
• Use Micrometer
• Measure Diameter of Nuts Bolts (inside/outside)
• Record Data in Excel
• Use Calipers
• Measure Length of Nuts Bolts
• Create Histogram

6
Evaluation

• Understood how to use measuring equipment by
  collecting data
• Plotted data in excel to create histogram
• Submitted histogram for credit