SOKKIA B20 vs LEICA NA532

SOKKIA B20 vs LEICA NA532

Compare the Sokkia B20 and Leica NA532 high precision automatic levels for your surveying and construction needs. Get detailed specs and find the best fit for your projects.

SOKKIA B20

Engineered for precision and built to last, the Sokkia B20 is a top-tier automatic level favored by surveying and construction professionals. As a member of Sokkia’s respected B-series, it’s celebrated for its toughness and consistent resilient performance in all kinds of weather and job site conditions.

Equipped with a finely-tuned magnetic damping system, this level’s Compensator quickly stabilizes your line of sight, providing accurate readings even when vibrations from heavy equipment or traffic are present. The system’s four super-strong suspension wires are resistant to temperature changes, guaranteeing exceptional durability and consistent precision.

The SOKKIA B20 also comes with options of a Diagonal Eye-piece for viewing the levelling staff in congested area conditions, and an Optical Micrometer which benefits to increase the standard deviation accuracy from 0.7mm to 0.5mm.

SOKKIA B20 Specifications

Telescope

• • Magnification: 32x

• • Objective Aperture: 42 mm

• • Image: Erect

• • Minimum Focus Distance: 0.2m (7.9inches)

• • Focusing Knob: Two-speed for both coarse and fine adjustments.

• • Resolving Power: 3 seconds

• • Field of View: 1∘20′ at 100 m

• • Minimum Focus Distance: 0.2m

Accuracy

• • Standard Deviation for 1 km Double-Run Leveling:
    • • Without micrometer: 0.7 mm
    • • With optional micrometer: 0.5 mm

Compensator

• • Type: Pendulum compensator with a magnetic damping system.

• • Setting Accuracy: 0.3 seconds

• • Working Range: ±15′

• • Durability: Features four super-high-tensile suspension wires with a minimal thermal expansion coefficient, ensuring stability in a variety of conditions.

General

• • Water Resistance: IPX6 (IEC 60529:2001)

• • Circular Level Sensitivity: 10’/2mm

• • Horizontal Circle:
    • • Diameter: 103 mm
    • • Graduations: 1° or 1 gon

• • Clampless, endless double-sided knobs for easy and fine rotations

• • Stadia: Calculated by multiplying the difference of the staff readings by 100

Applications

The SOKKIA B20 is an excellent tool for professionals in various fields, including:

• • Civil Engineering: Ideal for projects like bridges, highways, and railway construction where high precision is crucial.

• • Land Surveying and Topographic Mapping: Provides accurate elevation and slope measurements for creating detailed site plans and maps.

• • Construction: Essential for foundation and structural leveling to ensure proper alignment and safety.

• • Pipeline and Drainage Layouts: Ensures accurate slopes for effective drainage and pipeline systems.

Leica NA532

For demanding construction and surveying jobs, the LEICA NA532 is a professional automatic level built for precision. It belongs to the Leica NA500 series, a line known for its durability, dependability, and user-friendly design.

LEICA NA532 Specifications

Telescope

• • Magnification: 32x

• • Objective Aperture: 36 mm

• • Telescope Image: Erect

• • Minimum Focus Distance: < 1.0 m

• • Field of view at 100 m: < 2.1 m

Compensator

• • Type: Pendulum compensator with a magnetic damping system, within a rugged, protected shape

• • Working range: ± 15’

• • Setting accuracy (standard deviation): < 0.5’’

General

• • Circular Level Sensitivity: 8’ / 2 mm

• • Dust Ingress and Water Resistance: IP56 (IEC 60529)

• • Graduation: 1° for 360°

• • Graduation interval: 1°

Applications

The LEICA NA532 is a powerful tool for professionals in a variety of fields, including:

• • Civil Engineering: Great for projects like bridges, highways, and railway construction where high precision is vital.

• • Land Surveying and Topographic Mapping: The NA532 provides accurate elevation and slope measurements for creating detailed site plans and maps.

• • Construction: It’s crucial for leveling foundations and structures to guarantee proper alignment and safety.

• • Pipeline and Drainage Layouts: The NA532 ensures accurate slopes for effective drainage and pipeline systems.

Comparison by:

Benson A.

 

 

With 25+ years of experience in the Geospatial industry, Mr. Benson is a Technical & Service Specialist.

 

Dated: 04-09-2025