Automatic Level Sokkia B-40

Specifications
Model B40
Telescope
Length 215mm ( 8.46in.)
Magnification 24x
Objective aperture 32mm ( 1.26in.)
Resolving power 4"
Field of View
( at 100m/ 328ft.) 1 25'
( 2.5m / 8.2ft.)
Minimum focus 0.2m ( 7.9in.) from end of telescope
0.3m ( 1ft.) from instrument center
Image Erect
Reticle pattern Cross line
Stadia constant 0
Stadia ratio 100
Focusing knob 1-speed
Sighting aid Gun sight
Lens hood -
Accuracy ( standard deviation for 1km double run leveling)
Without micrometer 2.0mm
( 0.08in.)
With micrometer -
Compensator
Type Pendulum compensator with magnetic damping system
Setting accuracy 0.5"
Working range 15'
Circular level
Sensitivity 10' / 2mm
Mirror Plane mirror
Horizontal circle
Diameter 103mm ( 4.1 in.)
Graduations 1 / 1gon
General
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 135mm ( 5.31in.)
Weight 1.7kg ( 3.7 lb.)