Vernier Calipers: These calipers have two graduated scales: a main scale similar to a ruler and an auxiliary (Vernier) scale. These calipers are extremely precise and often used in navigation and by scientists, machinists and surveyors. Digital Calipers: These calipers run on batteries and use electronics to calculate measurements.

Least count of vernier caliper=.1/50=.002 CM=.02 MM. Least count and precision. The least count is directly linked with precision. The smaller is the least count number, the more precise the instrument is. For example, the mechanical vernier has the least count of .02, but for the electronic vernier, the least count is .01.

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The vernier constant, also known as the least count of vernier calipers, is determined by finding the difference between one main scale division and one vernier scale division. VC = 1 MSD – 1 VSD. LC = 1MSD – 1VSD. LC is the least count. If there are n divisions on the vernier scale, which coincides with (n-1) division on the main scale.

Calculate the least count of this vernier scale. Solution: Given: One main scale division, MSD = 1 mm. 20 vernier scale divisions, VSD = 16 main scale divisions, MSD. Therefore, 1 VSD = 16/20 MSD = 0.8 mm. The least count, LC = 1 MSD – 1 VSD = 1 – 0.8 = 0.2 mm. How to Read Vernier Calliper?

Figure 7: Least Count of a Vernier callipers 3 IIT JEE Solved Problems Question. N divisions on the main scale of a Vernier calipers coincide with (N + 1) divisions on its Vernier scale. If each division on the main scale is of a units, determine the least count of instrument. (2003) Solution. Given, a main scale division (MSD) of the Vernier.

Least Count of Vernier Caliper . In simple words, the least count (or vernier reading) of a vernier caliper is the smallest distance that the caliper can measure. The least count of vernier caliper is calculated as the difference between the value of 1 division of the Main scale and 1 division of the Vernier scale. LC = 1M.S.R – 1 V.S.R

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Main Differences Between Vernier Caliper and Micrometer. In terms of accuracy, the Micrometer provides a higher accuracy level when compared to a Vernier Caliper. The least count of a Vernier Caliper stands at (0.1 mm) zero-point one millimeter, whereas the least count of Micrometer stands at (0.01 mm) zero point zero one millimeter.

In a nutshell Use the following formula: Correct reading = Obtained reading– Zero error Correct reading = Obtained reading – Zero error where zero error zero error can be either negative (the “0” of vernier scale is left of the “0” of the main scale) or positive (the “0” of vernier scale is right of the “0” of the main scale) Explanation

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

Calculate the least count of this vernier scale. Solution: Given: One main scale division, MSD = 1 mm. 20 vernier scale divisions, VSD = 16 main scale divisions, MSD. Therefore, 1 VSD = 16/20 MSD = 0.8 mm. The least count, LC = 1 MSD – 1 VSD = 1 – 0.8 = 0.2 mm. How to Read Vernier Calliper?