LEAST COUNT OF SURVEYING INSTRUMENTS:-

🎯LEAST COUNT OF SURVEYING INSTRUMENTS:-

Least count means the minimum value that an instrument can read .
1.theodolite: least count is 20".

2.Prismatic compass: least count is 30'.

3.least count of levelling staff is 5mm.

4.dumpy level: least count 5mm as it is based on staff reading thats why least count is 5mm.

5.Total station : Least count for total station for angle is 1'' & Distance is 1mm.