How to Use a Vernier Scale

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VERNIER SCALES?
 Pierre Vernier


 Consists of PRIMARY or REGULAR SCALE and a
 sliding VERNIER SCALE

 Identify addresses of microscopic features
Primary or Regular Scale




     Vernier Scale
11 units VS = 10 units PS
PROCEDURE
 Align the cell whose address you wish to record in the
  exact center of the field of view at the highest power
  convenient.
PROCEDURE
 Read the fore and aft scale (on the right of the
  microscope):
PROCEDURE
 the primary scale value just to the left of the vernier
  zero line is the whole number




                                        101
PROCEDURE
 The fraction of the whole number corresponds to the
  number on the vernier scale whose line lines up with
  any line on the primary scale.

 The vernier number is the decimal to be added to the
  primary whole number.
PROCEDURE
            101.6
26.4
108.6

				
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posted:10/20/2010
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Description: A simple step on how to use a vernier scale of a compound binocular microscope.
Jeffrey de Guzman Jeffrey de Guzman RMT http://www.doh.gov.ph/
About A medical technology graduate who is currently employed at the regional office of the Department of Health, Philippines. Working as a validator for the malaria microscopy quality assurance covering the endemic areas of Central Luzon.