Detail ( 0813-8229-8129 ) Jual Auto Level WaterPass Sokkia B-20
Deskripsi :
Model B20
Telescope
Length 215mm ( 8.46in.)
Magnification 32x
Objective aperture 42mm ( 1.65in.)
Resolving power 3"
Field of View
( at 100m/ 328ft.) 1° 20'
( 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
( 0.03in.)
With micrometer 0.5mm
( 0.02in.)
Compensator
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
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 140mm ( 5.51in.)
Weight 1.85kg ( 4.1 lb.)
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