Automatic Level - Sokkia

Automatic Level – Sokkia


Auto Levels






Sokkia B series automatic levels feature enhanced reliability under all environmental conditions. Tough and compact bodies are 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 long periods of time.

Precise and Reliable Automatic Compensator

The B series levels incorporate the most precise and reliable compensator available in the market today. Four super-high-tensile suspension wires and magnetic damping system ensure accuracy and stability even when exposed to temperature changes, vibrations, or shock.

Screenshot_2Superior Telescope

The optimally designed telescope provides an exceptionally bright and sharp view that reduces operator’s eye strain. Ultra-short focus distance of 20 cm from end of telescope makes it easiest to use in confined spaces. Two-speed focus knob switches between coarse and fine for even faster operation (B20).

Quick Collimation

The endless horizontal motion drive screw can be operated with either hand for fast and easy aiming.

Horizontal Angle Measurement

Horizontal angles can be read in 1°  or 1gon units. The freely rotatable circle allows any angle reading from zero. Right angles can be quickly set for layout and alignment tasks.

Rapid Setup

Sokkia’s B Series fit both domed and flat head tripods. The circular level can be seen on a pentaprism or plane mirror located beside the telescope eyepiece.


The stadia lines on the reticle allow distance measurement to be carried out. Simply multiply the staff length between the top and bottom stadia lines by 100.

Optional Accessories

Diagonal Eyepiece DE16 (B20)

Ideal accessory for working on jobsites where there is little space to move.

40x Removable Eyepiece EL5 (B20)

Increases the standard 32x magnification to 40x.

Diagonal Eyepiece DE22 (B30/B40)

A diagonal eyepiece facilitates work in tight spots with little space behind the instrument.

Standard Equipment  

– Instrument

– Lens cap

– Plumb bob

–  Vinyl cover

– Cleaning cloth

– Tool kit

– Operator’s manual

– Carrying case


Auto LevelsB20B30B40
Telescope215 mm
Objective aperture 42 mm 36 mm 32 mm
Resolving power 3” 3.5” 4”
Field of View (at 100 m) 1°20’ (2.3 m) 1°25’ (2.5 m)
Minimum focus 0.2 m from end of telescope
0.3 m from instrument center
Reticle pattern WedgeCross line
Focusing knob 2-speed 1-speed
Sighting aid Peep sight Gun sight
Accuracy (standard deviation
for 1km double run leveling)
Without micrometer 0.7 mm 1.5 mm 2.0 mm
With micrometer 0.5 mm
TypePendulum compensator with
magnetic damping system
Setting accuracy / range 0.3” / ±15’ 0.5” / ±15’
Horizontal circle
Diameter103 mm
Graduations1°/ 1gon
Horizontal motion driveClampless, endless, double-sided knobs
Water resistance IPX6 (IEC 60529:2001)
Operating temperature – 20 to + 50°C
Size (w x l x h) 130 x 215 x 140 mm 130 x 215 x 135 mm
Weight1.85 kg1.7 kg




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