Deskripsi
Topcon ATB4A Automatic Level Waterpass
Topcon ATB4A Automatic Level Waterpass sangat cocok untuk Proyek dan Konstruksi. Dengan pembesaran 24x dan kompensator otomatis cepat, akurat dan stabil yang memberikan kualitas dan ketepatan dengan harga yang terjangkau.
Finely tuned magnetic damping system quickly levels and stabilizes the line of sight despite the fine vibrations present when working near heavy equipment or busy roadways.
Durable, Dependable, High Value Auto Levels
3 Models – 32x, 28x, and 24x Magnifications
Rapid, Accurate, and Stable Automatic Compensation
Ultra-Short 20cm (7.9 in.) Focusing
All-Weather Dependability
Clampless, Endless Fine Horizontal Adjustments
| AUTO LEVELS | AT-B2 | AT-B3A | AT-B4A | |
| Telescope: | ||||
| Length (mm/in.) | 215/8.46 | 215/8.46 | 215/8.46 | |
| Image | Erect | Erect | Erect | |
| Magnification | 32x | 28x | 24x | |
| Objective Lens (mm/in.) | 42/1.65 | 36/1.42 | 32/1.26 | |
| Relative Brightness | 1.78 | 1.33 | 1.56 | |
| Field Of View | 1° 20 | 1° 25 | 1° 25 | |
| Resolving Power | 3.0″ | 3.5″ | 4.0″ | |
| Minimum Focus (m/ft.) | 0.3/1 | 0.3/1 | 0.53/1 | |
| Stadia Constant | 0 | 0 | 0 | |
| Stadia Ratio | 100 | 100 | 100 | |
| Sensitivities of Levels: | ||||
| Main Level (/2mm) | — | — | — | |
| Circular Level (/2mm) | 10 | 10 | 10 | |
| Tilting Range | — | — | — | |
| Automating Leveling: | ||||
| Setting Accuracy | ± 0.3″ | ± 0.5″ | ± 0.3″ | |
| Compensating Range | ± 15 | ± 15 | ± 15 | |
| Accuracy 1km Double Run Level: |
||||
| Without Optical Micrometer (mm) |
± 0.7 | ± 1.5 | ± 2.0 | |
| With Optical Micrometer (mm) |
± 0.5 | — | — | |
| Horizontal Circle: | ||||
| Diameter (mm/in.) | 103/4.1 | 103/4.1 | 103/4.1 | |
| Minimum Division | 1° (1gon) | 1° (1gon) | 1° (1gon) | |
| Weight: | ||||
| Instrument (kgs/lbs.) | 1.85/4.1 | 1.7/3.7 | 1.7/3.7 | |
| Water Resistance | IPX6 | IPX6 | IPX6 | |
| Optional Accessories: | ||||
| Diagonal Eyepiece | ||||
| Optical Micrometer | ||||
| Illuminator 3 | ||||
| 40x Eyepiece | ||||
| Centering Eyepiece | • | • | • |
Paket termasuk :
Unit Automatic Level Topcon
Alumunium Tripod
Rambu Ukur
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