Topcon Auto Level at-B3 Auto Level

• Model NO.: AT-B3
• HS Code: 9015800090
• Production Capacity: 10000/Year

Product Description

World-Proven Precision and Durability

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.

Specifications Model	B30
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.)