Description
Introduction
The Sokkia B20 Auto Level Machine delivers outstanding accuracy and reliability for surveying and construction professionals across Bangladesh. Engineers, surveyors, and construction teams actively choose the Sokkia Auto Level Machine because it combines precision optics with a durable, field-ready design. This machine performs automatic compensation, reduces human error, and speeds up leveling tasks on any job site. Whether you work on road construction, building foundations, or land surveying, the Sokkia Auto Level Machine gives you the performance you need at a price that fits the Bangladesh market.
Technical Specifications
🔭 Telescope
| Specification | Details |
| Length | 215 mm |
| Magnification | 32x |
| Objective Aperture | 42 mm |
| Resolving Power | 3″ |
| Field of View (at 100 m) | 1°20′ (2.3 m) |
| Minimum Focus | 0.2 m (from end of telescope) / 0.3 m (from instrument center) |
| Image | Erect |
| Reticle Pattern | Wedge |
| Focusing Knob | 2-speed |
| Sighting Aid | Peep sight |
🎯 Accuracy
(Standard deviation for 1 km double run leveling)
| Condition | Accuracy |
| Without Micrometer | 0.7 mm |
| With Micrometer | 0.5 mm |
⚙️ Compensator
| Specification | Details |
| Type | Pendulum compensator with magnetic damping system |
| Setting Accuracy / Range | 0.3″ / ±15′ |
🔄 Horizontal Circle
| Specification | Details |
| Diameter | 103 mm |
| Graduations | 1° / 1 gon |
🏗 General Specifications
| Specification | Details |
| Horizontal Motion Drive | Clamp-less, endless, double-sided knobs |
| Water Resistance | IPX6 (IEC 60529:2001) |
| Operating Temperature | –20°C to +50°C |
| Size (W × L × H) | 130 × 215 × 140 mm |
| Weight | 1.85 kg / 1.7 kg |
Key Features
- The Sokkia B20 Auto Level Machine delivers ±2.0 mm/km double-run accuracy for reliable measurements.
- The magnetic damping compensator automatically corrects for minor instrument tilts within ±15′.
- The 20x magnification telescope provides clear, sharp target images even at long distances.
- The compact and lightweight body (1.65 kg) allows surveyors to carry and set up the instrument quickly.
- The fine-quality optics system resolves fine details at 4″ resolving power.
- The instrument operates efficiently in extreme temperatures from -20°C to +50°C.
- The fixed tribrach design ensures stable setup and repeatable measurements on every survey point.
Applications
- Road and Highway Construction: Survey teams use the Sokkia B20 to establish grade lines and check road elevation across long distances.
- Building Construction: Civil engineers use the B20 to set foundation levels and verify floor elevations on multi-story projects.
- Land Surveying: Professional surveyors use the machine to create accurate topographic maps and boundary surveys.
- Irrigation and Drainage Projects: Agricultural engineers use the B20 to design and monitor water flow channels.
- Railway and Infrastructure Projects: Survey crews use the Sokkia B20 to maintain tight tolerances on rail track alignment.
- Bridge Construction: Engineers use the instrument to check and monitor elevation control points during bridge building.
- Government and Municipal Projects: Public works departments rely on the B20 for city planning, utility installation, and land development.
Who Uses This
- Civil Engineers use the Sokkia Auto Level Machine on construction sites to maintain accurate elevation control.
- Land Surveyors use it for boundary determination and topographic mapping across Bangladesh.
- Construction Contractors depend on it for daily leveling work on building and infrastructure projects.
- Government Survey Departments use it for public works, road development, and municipal planning.
- Engineering Students and Universities use the B20 for practical field training and academic survey exercises.
- Agricultural Engineers use it to plan irrigation networks and drainage systems in rural Bangladesh.
Frequently Asked Questions
Q1: What is the accuracy of the Sokkia Auto Level Machine?
The Sokkia Auto Level Machine achieves a standard deviation of ±2.0 mm/km on double-run leveling, which meets the requirements for most construction and survey tasks.
Q2: Does the Sokkia Auto Level Machine work in hot weather conditions in Bangladesh?
Yes. The Sokkia Auto Level Machine operates reliably in temperatures ranging from -20°C to +50°C, so it handles Bangladesh’s hot and humid climate without any performance issues.
Q3: What magnification does the Sokkia B20 provide?
The Sokkia B20 provides 20x magnification, which allows surveyors to read staffs clearly at distances up to 100 meters and beyond.
Q4: Is the Sokkia Auto Level Machine suitable for beginners?
Yes. The automatic compensator simplifies setup and reduces operator skill requirements. Beginners can quickly learn to use the B20 after basic training.
Q5: Does astzbd provide a warranty for the Sokkia Auto Level Machine?
Yes. ASTZ BD provides an official warranty along with after-sales technical support for every Sokkia Auto Level Machine purchase.
Q6: What accessories come with the B20 Auto Level Machine?
The standard package includes a carrying case, lens cap, and instruction manual. astzbd also supplies tripods and leveling staffs as optional accessories.
Q7: How do I calibrate the Sokkia Auto Level Machine?
The instrument uses a circular bubble for leveling. Users turn the foot screws to center the bubble, and the compensator then automatically levels the line of sight. astzbd provides calibration support on request.
Why Buy from astzbd
- astzbd supplies genuine Sokkia B20 Auto Level Machines directly from authorized distributors, so customers always receive authentic products.
- astzbd offers competitive prices that match the Bangladesh market, giving buyers the best value for their investment.
- The astzbd technical team provides professional after-sales support, including instrument calibration, repair, and field assistance.
- astzbd delivers products nationwide across Bangladesh, including Dhaka, Chittagong, Sylhet, Rajshahi, and all major cities.
- Customers trust astzbd because the company has served Bangladesh’s surveying and construction sector for many years with reliable service.
- astzbd provides product demonstrations and training so that buyers understand how to use the Sokkia B20 correctly from day one.
- astzbd accepts multiple payment methods and offers flexible purchase options for individual buyers, contractors, and government agencies.
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