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Determining the height of a certain point or the difference in height between two points.

Determining or setting a level surface for construction.

To establish useful date for road cross sections, contrsuction, building etc.

 

In a nutshell to detemine differences in height between two or more points.

 

Various types of models:

 

There are different types of surveying levels.

for example automatic levels, dumpy levels and tilting levels.

 

All levels have a telescope on top with a cross hair or gun sight. The difference between the three levels is how they can be adjusted to give us a horizontal line. Obviously accuracy and precision is important however the degree of precision depends on the type of work.

 

For alot of constuction work done on building sites. Low accuracy , short range levelling is sufficent for the work involved.

 

For engineering surveys automatic levels with higher accuracy may be used. 

 

Laser levels:

 

These days laser levels are often used in construction for there high degree of accuracy and precision. A laser level is a level combining a spirit level with a laser to display an accurate horizontal or vertical line.  Alot of laser levels are inexpensive to buy. www.levelsforwork.com  has a great selection of used laser levels. The are great for D.I.Y