List count vernier caliper

Vernier Caliper is a measuring instrument that is used to take the dimensions of objects whether the dimension is linear or measuring the diameter of round objects. Vernier Caliper is invented by French mathematician Pierre Vernier in 1631. The main use of the vernier caliper over the main scale is to get precise and accuratemeasurements. Vernier caliper consists of two scales: the main scale and the other is called the vernier scale. Vernier scale can slide over the main scale. Vernier caliper is made of either tool steel or stainless steel, depending on the application where we have to use it. • • • • • • • • • • • • • • • • • • Least Count of Vernier Caliper The least count of the Vernier caliper is defined as the minimum length that can be measured with the vernier scale. The least count of vernier calipers is also defined as the difference between one main scale division and one vernier scale division. It is mathematically given as: Least count= 1 MSD – 1 VSD n VSD = (n-1) MSD 1 VSD = (n-1) MSD / n Least count= 1 MSD – 1 VSD Therefore, Least count = 1 MSD – (n-1)MSD/n After calculation, Least count = 1 MSD/n Total reading = MSR+ (VC X LC), where MSR is the main scale reading, VC is the Vernier coinciding division and LC is the least count. Vernier Caliper Parts • Main Scale • Vernier Scale • Lower Jaws • Upper Jaws • Depth Rod • Lock screw • Thumb Screw Let us look at the function of all the parts one by one: Main Scale The main scale is not movable or we can say it i...