Measuring and recording
Quantity, unit, instrument and tolerance: how much a measurement can vary and how to record it so that someone else can check it
5 USD
In Chile the charge is made in pesos at the observed dollar rate on the day of purchase.
Available for purchase soon
Meanwhile, look through the sample pages. To hear when sales open, write to contacto@neocity.cl.
What it includes
- Pages
- 15
- Exercises
- 9: 3 basic, 3 intermediate and 3 challenge; 6 with a numerical answer
- Sources cited
- 18
- Class
- 40-minute script
- Format
- US Letter PDF and script as text
- Zone of the tree
- Roots
- Stage
- Novice
When you finish you will be able to
Measure with the right instrument, say how much the measurement can vary and record it in a logbook.
What you learn
- Write a measurement with quantity, number and SI unit, and convert between prefixes.
- Choose instrument and range according to the quantity, the expected value and the resolution needed.
- Calculate how much a reading can vary from the accuracy in the manual and from repeated readings.
- Decide whether a part passes, fails or can't be decided, by comparing its interval with the tolerance.
- Record a measurement in a logbook with date, instrument, unit and uncertainty, so that someone else can check it.
Who it is for
Young people aged 16 to 24 who are starting out in engineering or a technical trade. No prerequisites. Examples from electrical work.
Before this course
None. You can start here.
Sample pages
Class video
PDF + script; the class video arrives once it is recorded.