20sec Transit Vernier Theodolite
We are engaged in providing high quality Vernier Transit Theodolite for the clients. The Vernier Transit Theodolite is a dependable companion for surveying needs. The Vernier Transit Theodolite has a self contained construction so that all sensitive parts are protected from dust and moisture. Our Vernier Transit Theodolite is equipped with high quality optics to give clear & sharp image.
Precision Vernier Transit Theodolite
Size 175mm, Internal focusing type, Coated optics ERECT - IMAGE for direct reading, Confirming to I.S. Specifications No. 2988-1975, Watts’s Pattern, Fitted with shifting tribratch and Optical- Plummet arrangement. The instrument is of self contained construction so that all sensitive parts are protracted from dust and moisture. The instrument is equipped with high quality optics to give clear & sharp image. Magnification 23 times All optical parts are blue coated to delete the glare & reflection. Sights are fitted on the telescope to facilitate quick alignment of the levelling staff. The verniers and circles are graduated to 10/20 Seconds accuracy & are covered with glass windows to avoid dust and moisture. The eye-piece of the telescope helical type and is suitable for quick setting. The instrument is made from carefully selected brass and gunmetal for convenience in operation and the ability to withstand continuous usage under all conditions without effecting the accuracy or adjustment. The verniers & circles are graduated on embedded Sliver and are covered with glass window. Supplied with all Standard accessories in highly polished wooden box with Special Aluminium Telescopic Tripod Stand.
Technical Specifications
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General Specifications |
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|
Image |
Erect |
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Equivalent Focal Length |
178mm |
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Magnification |
30 X |
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Objective aperture |
40 mm |
|
Shortest/Longest focusing distance |
1.5/300 |
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Stadia Line Ratio |
1:100 |
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Additive constan |
0 |
|
Sensitivity of plate bubble |
40"/2 mm |
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Sensitivity of vertical circle bubble |
20"/2 mm |
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Optical plummet |
|
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Magnification |
2.5 X |
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Focusing Range |
0.5 m -infinite |
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Weight (W/out Box) |
6 Kg. |
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Vertical Circle & Horizontal Circle |
|
|
Graduation of Circle |
3600 |
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Reading by Vernier |
20" |