Vernier calipers are the trickiest calipers to read but offer a great deal of precision. Once you learn how to read a Vernier caliper, you can easily read a digital and dial caliper. Reading a Vernier caliper is a two-step process.

Main scale value / division = 1 inch : 20 divisions = 0.05″/division. Vernier scale value / division = 0.05″ : 50 divisions = 0.001″/division. The second step is to count the main and the vernier scale, then add them altogether. Main scale = −1 × 0.05″/division = −0.05″. Vernier scale = 47 × 0.001″/division = 0.047″.

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The least count of a common scale is 0.1 cm or 1 mm. It is difficult to further subdivide it to improve the least count of the scale. A Vernier scale enables this to be achieved. Fig. 1.1. Principle: Determination of Least Count or Vernier Constant:

Formulas Used: (a) Least count of vernier caliper = the magnitude of the smallest division on the main scale / the total number of small divisions on the vernier scale. (b) Density of a rectangular body = mass/volume = m/v = m/l.b.h where m is its mass, l its length, b its breadth and h the height.

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1 Answer Sorted by: 3 +50 The least count is 13 1 3 MSD. If 3VSD = 5MSD then 1VSD = 5 3 5 3 MSD. The Vernier scale division is just short of 2MSD. They differ by 1 3 1 3 MSD. Therefore the least count is 13 1 3 MSD. Graphically it looks like this (for zero distance):

Use a vernier caliper to make measurements to the nearest 1/10 of a millimeter. Use a micrometer to make measurements nearest 10-6 meters using a micrometer. Use an electric scale to measure mass to the nearest 1/100 of a gram. Use a pendulum to measure the acceleration due to gravity. Introduction

The least count of a vernier caliper is given as (0.1) zero-point one millimeter. The least count of a Vernier caliper is also known as the Vernier constant. Each division on the main scale is equal to one millimeter. Vernier Caliper is available in two forms.

Least count of Vernier calliper= Smallest division on main scale/Number of divisions on Vernier scale. Least count of Vernier calliper = 1mm/10 divisions Least count of Vernier calliper = 0.1 mm Uses of a Vernier Calliper Vernier callipers are used to measure; (i) The length of a rod or any object (ii) The diameter of a sphere

slide the vernier scale on the main scale. Screw S is used to fix the vernier scale at a desired position. 2. The least count of a common scale is 1mm. It is difficult to further subdivide it to improve the least count of the scale. A vernier scale enables this to be achieved. 1 Fig. E 1.1 Vernier Calliper EXPERIMENTS

255 3 8 Vernier calipers I've used just seem to be a bit flimsier than the average micrometer. It may come down to what you prefer reading but my gut feeling is that I trust the advertised precision and accuracy of a micrometer a little more. Too speculative to put as an answer though. – Air Oct 14, 2016 at 17:05 1