Sokkia B20-25 32X Power Automatic Level 2110120B0

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Sokkia B20-25 32X Power Automatic Level 2110120B0
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Sokkia B20-25 32X Automatic Level

Model Number: 2110120B0

The Sokkia B20-25 32X Automatic Level is a instrument with World-proven precision and durability. The Sokkia B series automatic levels feature enhanced reliability under all environmental conditions. Tough and compact bodies are more tightly sealed against water, humidity and dust (IPx6). The B series levels provide quick setup, easy sighting, and superior durability against vibration and shock, ensuring the increased productivity over an extra-long period of time.


  • Precise, Reliable Automatic Compensator: The B series levels incorporate the most precise and reliable compensator available in the market today. The technological superiority of the Sokkia automatic levels has been proven since the release of the best-selling B2 model in 1963. Four super-high-tensile suspension wires and magnetic damping system ensure accuracy and stability even when exposed to temperature changes, vibrations, or shock.
  • Superior Telescope: Optimally designed telescope provides exceptionally bright and sharp view that reduces operator's eye strain. Ultra-short focus distance of 20cm (7.9in.) from end of telescope makes it easiest to use in confined locations. The B20 Model has a Two-speed focus knob switches between coarse and fine for even faster operation
  • Quick Collimation: Two knobs of endless horizontal motion drives can be operated with either hand for fast and easy aiming
  • Horizontal Angle Measurement: Horizontal angles can be read in 1° or 1 gon units. Freely rotatable circle allows any angle reading from zero. Right angles can be quickly set for layout and alignment tasks. The readout window is conveniently located on the instrument base - directly below the eyepiece
  • Stadia: The stadia lines on the reticle allow distance measurements. Simply multiply the staff length between the top and bottom stadia lines by 100.
  • Easy to Adjust: Reticle adjustment is made with one screw. Circular levels vial is adjusted with two screws. Both adjustments are simple and fast with provided tools


  • B Series Automatic Level Instrument
  • Lens Cap
  • Plumb Bob
  • Vinyl Rain Cover
  • Cleaning Cloth
  • Tool Kit
  • Operator's Manual
  • Hard Carrying Case
  • Manufacturers 5-Year Limited Warranty.


Model B20
Length 215mm (8.46in.)
Magnification 32x
Objective aperture 42mm (1.65in.)
Resolving power 3"
Field of View
(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
With micrometer 0.5mm
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
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.)


   B20 B30A  B40A 
 Length  215 mm (1.65 in.) 214 mm (8.42 in.)
 Magnification  32x 28x 24x 
 Objective Aperture  42 mm (1.65 in.) 36mm (1.42 in.) 32mm (1.26 in.) 
 Resolving Power  3" 3.5"  4" 
 Field of View (at 328 feet)  1°20' (2.3m / 7.5 ft.) 1°25' (2.5m / 8.2 ft.)
 Minimum Focus 0.2m (7.9 in.) from end of telescope
0.3m (1 ft.) from instrument center
 Image Erect
 Stadia Constant 0
 Stadia Ratio 100
 Focusing Knob 2-speed 1-speed
 Sighting Aid Peep Sight Gun Sight
 Accuracy (1 km double run leveling)
 Without Micrometer 0.7mm (0.03 in.) 1.5mm (0.06 in.) 2.0 mm (0.08 in.)
 With Micrometer 0.5mm (0.02 in.) N/A
 Type Pendulum compensator with magnetic damping system
 Setting Accuracy 0.3" 0.5"
 Working Range ±15'
 Circular Level
 Sensitivity 10' / 2mm
 Horizontal Circle
 Diameter 103mm (4.1 in.) 99mm (3.9 in.)
 Minimum Division 1° / 1 gon
 Water Resistance IPX6 (IEC 60529:2001)
 Operating Temperature -20 to +50°C (-4 to +122°F)
Width 130MM (5.12 in) 122mm (4.8 in.)
Length 215mm (8.46 in.) 214 mm (8.4 in.)
Height 140mm (5.51 in.)
 Weight 1.85kg (4.1 lbs.) 1.5kg (3.3 lbs.)