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Topcon B4a Dumpy Level
Chapa Mpya
Hali
Topcon
Chapa
Topcon B4A Dumpy Level
Aina
The Topcon AT-B4A (commonly referred to as a dumpy or auto level) is a highly precise, automatic optical surveying instrument used in construction and engineering. It is designed to establish or verify horizontal levels and height differences across a job site.
Core Features & Specifications
Magnification: 24xAccuracy: ± 2.0 mm (over 1 km of double-run leveling)
Compensator: Rapid magnetic damping system that quickly levels and stabilizes the line of sight, even when working near heavy equipment.
Weather Resistance: IPX6 rating (protects against powerful water jets and heavy rain).
Minimum Focus: As close as 0.2 meters (about 8 inches) from the telescope, which is great for tight, close-up spaces.
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