Best price Sokkia B20 Auto Level surveying instrument
USD $419 - $420 /Set
Min.Order:1 Set
Shanghai Sursup Precision Instrument Co., Ltd.
Sokkia B20 Auto Level
Place of Origin:Guangdong China (Mainland)
Brand Name:Sokkia
Model Number:B20
Telescope Length:215mm (8.46in.)
Telescope Magnification:32x
Objective Aperture:42mm (1.65in.)
Field of View (at 100m/328ft.):1°20' (2.3m / 7.5ft.)
Minimum Focus:0.2m (7.9in.) from end of telescope 0.3m (1ft.) from instrument center
Image:Erect
Compensator Type:Pendulum Compensator With Magnetic Damping System
Compensator Setting Accuracy:0.3"
Compensator Working Range:±15'
Water Resistance:IPX6 (EC 60529:2001)
Model | B20 |
Telescope | |
Length | 215mm (8.46in.) |
Magnification | 32x |
Objective aperture | 42mm (1.65in.) |
Resolving power | 3" |
Field of View | 1°20' |
(at 100m/328ft.) | (2.3m / 7.5ft.) |
Minimum focus | 0.2m (7.9in.) from end of telescope |
0.3m (1ft.) from instrument center | |
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 |
(0.03in.) | |
With micrometer | 0.5mm |
(0.02in.) | |
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.) |