Spesifikasi Waterpass/ Automatic Level Topcon ATB2, ATB3, ATB4

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Review Spesifikasi Waterpass/ Automatic Level Topcon ATB2, ATB3, ATB4

Spesifikasi Waterpass/ Automatic Level Topcon ATB2, ATB3, ATB4





AT-B2
AT-B3
AT-B4
Telescope
Length
215mm (8.46 in.)
Magnification
32X
28X
24X
Objective Aperture
42mm (1.65 in.)
36mm (1.42 in.)
32mm (1.26 in.)
Resolving Power
3″
3.5″
4″
Field of View
(at 100m/328ft.)
1°20′
(2.3m / 7.5ft.)
1°25′
(2.5m / 8.2ft.)
Minimum Focus
0.2m (7.9 in.) from end of telescope
0.3m (1ft.) from instrument center
Image
Erect
Stadia Constant
0
Stadia Ratio
100
Accuracy (1km double run leveling)
Without Micrometer
0.7mm (0.03 in.)
1.5mm (0.06 in.)
2.0mm (0.08 in.)
With Micrometer
0.5mm (0.02 in.)
n/a
Compensator
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.)
Minimum Division
1°/ 1gon
General
Water Resistance
IPX6 (IEC 60529:2001)
Operating Temperature
-20 to +50 (-4°F to +122°F)
Size
Width
130mm (5.12 in.)
Length
215mm (8.46 in.)
Height
140mm (5.51 in.)
135mm (5.31 in.)
Weight
1.85kg (4.1 lbs.)
1.7kg (3.7 lbs.)



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