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Help CenterSokkia B20 32x Auto Level Instrument
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Specification-Sokkia B20 auto level
Specifications Model |
B20 |
Telescope | |
Length |
215mm (8.46in.) |
Magnification |
32x |
Objective aperture |
42mm (1.65in.) |
Resolving power |
3" |
Field of View |
1°20' |
Minimum focus |
0.2m (7.9in.) from end of telescope |
Image |
Erect |
Reticle pattern |
Wedge |
Stadia constant |
0 |
Stadia ratio |
100 |
Focusing knob |
2-speed |
Sighting aid |
Peep sight |
Lens hood |
Retractable |
Accuracy (standard deviation for 1km double run leveling) | |
Without micrometer |
0.7mm |
With micrometer |
0.5mm |
Compensator | |
Type |
Pendulum compensator with magnetic damping system |
Setting accuracy |
0.3" |
Working range |
±15' |
Circular level | |
Sensitivity |
10' / 2mm |
Mirror |
Pentaprism |
Horizontal circle | |
Diameter |
103mm (4.1 in.) |
Graduations |
1° / 1gon |
General | |
Horizontal motion drive |
Clampless, endless, double-sided knobs |
Water resistance |
IPX6 (EC 60529:2001) |
Operating temperature |
-20 to +50°C (-4 to +122°F) |
Width |
130mm (5.12in.) |
Length |
215mm (8.46in.) |
Height |
140mm (5.51in.) |
Weight |
1.85kg (4.1 lb.) |
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