Home > Products > Auto Level > Sokkia B20 Auto Level,prsim
Sokkia B20 Auto Level,prsim
- 100 Unit / Units per Month
- SHANGHAI
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Product Details
Place of Origin: | Guangdong, China | Brand Name: | sokkia | Model Number: | B20 |
Product Description
Model | B40 | B30 | B20 |
Telescope | |||
Length | 215mm(8.46 inch) | ||
Objective aperture | 32mm | 36mm | 42mm |
Magnification | 24X | 28X | 32X |
Image | Erect | ||
Resolving power | 4" | 3.5" | 3.0" |
Field of view(at 100m) | 1° 25′ (2.5m) | 1° 20′ (2.3m) | |
Minimum focussing distance | 0.2m (7.9in.) from end of telescope | ||
Reticle pattern | Cross hairs | wedge | |
Stadia ratio | 100 | ||
Stadia constant | 0 | ||
sighting aid | Gun sight | Peep sight | |
Focusing Knob | 1-speed | 2-speed | |
Lense hood | - | Retractable | |
Accuracy(standard deviation for 1km double run leveling) | |||
Without micrometer | 2.0mm | 1.5mm | 0.7mm |
With micrometer | 0.5mm | ||
Compensator | |||
Type | pendulum compensator with magnetic damping system | ||
Working range | ± 15′ | ||
Setting accuracy | 0.5" | 0.3" | |
Horizontal Circle | |||
Diameter | 103mm (4.1in.) | ||
Graduation | 1°/1gon | ||
General | |||
Sensitivity of circular level | 10′/2mm | ||
Mirror for circular level | Plane mirror | pentaprism | |
Horizontal motion drive | Clampless, endless, double-sided knobs | ||
Water resistance | IPX6(IEC60529) | ||
Operating temperature | -20-+50°C (-4 to +122°F) | ||
Size | 122mm× 215mm× 135mm | 130mm× 215mm× 140mm | |
Weight | 1.7kg (3.7 lb.) | 1.85kg (4.1 lb.) |
Shanghai Sursup Precision Instrument Co., LTD
addr: Building 67, Lane 258, West Xiuyan Road, Pudong New District, Shanghai, China
Contact Us
- Shanghai Sursup Precision Instrument Co., Ltd.
- Contact nameCloud Chen
- Phone86-21-50594134
- AddressBuilding 8-2, 128 Sanlin Rd.
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