Scales

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Description
Determining the Increment
Determining the Certain Digits
Estimating the Uncertain Digit and Recording the Reading
Additional Topics
Vernier Scales
Self Check Exercises
Related Modules
Barometer
Buret
Graduated Cylinder
Pipet, Mohr
Spectronic 20™
Thermometer
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Description

 

IMAGE. Some pieces of equipment with scales include (counterclockwise from top) the hand-held spectroscope, buret, pipet, thermometer, calipers, ruler, and graduated cylinder.

Correctly reading a scale is a skill that is important to master. The Spectronic 20™, spectroscope, pipet, buret, graduated cylinder, and many other instruments and devices utlilize scales that must be read properly for successful laboratory work. The procedures outlined in this module should be followed for reading any scalar quantity in the laboratory.