UTC Round Optical square, Surveying And Measuring Instrument, Survey Optical (4 Inches)

By Brand : Royal Nautical

Mrp Price :

2000

Price : Price

1259

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-37%

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Product Description :

Optical Square is a device which reflects a beam of light using mirrors in order for sighting 90 degrees. It is an instrument used in Surveying in order to find out the foot of perpendicular from a given point to a line and to set out right angles at a given point on a line in the field. The optical square uses a pentaprism to reflect and refract a beam or sighting 90 degrees, it is used in pairs in surveying and in a singular block in metrology. In optical square A Horizon glass is placed at an angle of 120 degree with the horizon sight. The Index glass is placed at an angle of 105 degree with the Index sight. Angle between Index glass and Horizon glass is 45 degree.

Product Features :

Used with an autocollimator or angle dekkor and mirror
It can be used for machine tool axis squareness checking and for measuring the squareness of surfaces
It has two mirrors at 45 degree to each other. One is half-silvered, called horizon glass, and other is fully silvered, called index glass.
It measures angle by reflection. Two prisms can be used as an optical square.
In surveying it is used both as a hand held tool for sighting between two poles (often with a plumb bob hung from the handle) and also mounted on a Staff

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