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AT-G series AUTO LEVEL

AT-G series AUTO LEVEL

Product catalog summary

Overview: The document provides detailed specifications and features of the TOPCON AT-G series of engineering and construction automatic levels. These instruments are designed for precision leveling in various surveying conditions, including wet environments.

Specifications: The AT-G series includes models AT-G1, AT-G2/G2A, AT-G3, AT-G4, AT-G6, and AT-G7N. Key specifications include:

Telescope: Length varies from 192mm to 230mm, with magnification ranging from 22x to 32x.
Objective Lens: Sizes range from 30mm to 45mm.
Field of View: Between 1°20' and 1°30'.
Resolving Power: From 2.5" to 4.0".
Automatic Leveling: Setting accuracy of ±0.3" to ±0.5" with a compensating range of ±15'.
Weight: Instruments weigh between 1.6 kg and 2.1 kg.

Features:

Waterproof Construction: The telescope is sealed and filled with dry nitrogen gas to prevent lens clouding and moisture condensation.
Automatic Leveling: Utilizes a magnetically-damped compensator for stable precision, unaffected by vibrations.
Ergonomic Design: Redesigned for ease of use with larger knobs and lighter materials.
Fast Set-Up: Compatible with dome head tripods for quick installation.
Optional Accessories: Include diagonal eyepiece, optical micrometer, illuminator, centering platform, and 40x eyepiece for enhanced functionality.

Recommendations: Users are advised to review all instructions prior to operation to ensure optimal performance. The design and specifications are subject to change without notice.

Catalog excerpts

A time-proven magnetically-damped com - pensator is incorporated for automatic lev - > eling action. It is not affected by fine vibra - tions and has been proven to have ver y The circular level is checkedvery easily with a slight shift of the eye, with a clear, distinct view observed via reflecting pentagonal mirror (AT-G1/G2/ G3), pentagonal prism (AT- G2A), hinged mirror (AT-G4/G6/ G7N). stable precision, thus speeding up auto - matic leveling operations and producingaccurate results. The TOPCON-exclusive automatic level - ing system utilizes four special mylar rib - bons for hanging the magnetic...

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