The Topcon AT-B4A/PS offers a rapid, stable and durable compensator providing unmatched accuracy and durability. A finely tuned magnetic damping system quickly levels and stabilizes the line of sight despite the fine vibrations present when working around heavy equipment or busy roads. Horizontal angels can be directly read in 1 degree or 1 gon units. A Free Rotation feature lets you read any angle from zero. The Topcon AT-B4A can focus on objects 20cm in front of the telescope. IPX6 Rated so the Level is protected from heavy rain, The AT-B4A also features an advanced protection design that deters clouding or condensation inside the telescope.
Topcon AT-B4A/PS Specifications:
Magnification: 24x
Field of View: 1 degree 25 feet
Min. Focus from Center of Instrument: 0.3 m
Image: Erect
Stadia: Yes (1:100)
Focusing Knob: 1-speed
Setting Accuracy: 0.5 in
Working Range: +/- 15 ft
Dust/Water Protection: IPX6 (IEC 60529:2001)
Operating Temperature: -20 degrees Celsius to 50 degrees Celsius
SitePro Rod Level for Round or Rectangular Level Rods
Aluminum Housing
This Rod Level mounts to your Round or Rectangular Level Rod and features a large, bold and easy to read 10 minute bubble vial...
SitePro 2.5X Pocket Hand Level
Includes Case
This 5" hand level is small enough to fit in your pocket and works beautifully for preliminary surveys or simple distances estimation. Featuring...
Sitepro SCR-Series Rectangular Fiberglass Level Rods
Reinforced design for strength and stability
Constructed of lightweight but durable, waterproof, corrosion-resistant and non-conductive...
Sokkia Engineer's Field Book | 8152-30
Sokkia Level Book 8152-50 has a bright yellow hard cover with both the left and right pages feature blue horizontal lines and red vertical lines. Six...
SitePro Level Book | 160 Page Survey Book
Made with Quality Paper and Extra Rigid Cover
The SitePro Level Book is made of high quality white paper is ruled with light blue horizontal lines and red...