522-889

Surveying theodolite

522-889 Description

Directional unit type.

Properties of 522-889

Tripod:
Included
Illuminated Feature:
Included
Unit Type:
Directional
Graduation Unit On Horizontal/vertical Circle:
Degrees
Minimum Graduation:
0.2 seconds micrometer drum
Autocollimation Eyepiece:
Not included
Double Center:
Provided
Horizontal Base Detachable Tribrach:
Not included
Horizontal Base Automatic Centering Device:
Not included
Optical Plumb:
Included
Circular Level:
Included
Plotting Device:
Not included
NSN:
6675-01-294-8910
Description:
Theodolite,surveying
Cage Code:
35643

Definition Surveying Theodolite

A precision telescopic instrument used in topographic and geodetic surveying or precise alignment operations. Generally, the optical systems for reading the horizontal and vertical circles are fully inclosed. The reading of the circles is made through optical micrometers. Some optical systems are so designed that readings of diametrically opposite points of the circles are mechanically averaged. The instruments are leveled by three leveling screws. Internal illumination may be provided for reading the circles and viewing the reticle crosslines. Excludes transit and transit, pocket.

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Last modified 04/19/2024