Deskripsi :
|
B20 B30 B40 Automatic Levels |
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|
Model |
|
B20 |
B30 |
B40 |
|
Telescope |
magnification |
32x |
28x |
24x |
|
Objective aperture |
42mm (1.7in.) |
36mm (1.4in.) |
32mm (1.3in.) |
|
|
Minimum focus |
0.2m (7.9in.) from end of telescope, |
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|
Accuracy* |
Without micrometer |
0.7mm (0.03in.) |
1.5mm (0.06in.) |
2.0mm (0.08in.) |
|
With micrometer |
0.5mm (0.02in.) |
- |
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|
Compensator |
Type |
4 wire pendulum compensator with magnetic damping system |
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|
Working range |
±15' |
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|
Water protection |
|
IPX6 (IEC60529) |
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|
Horizontal circle graduation |
|
1º (1gon) |
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|
Weight |
|
1.85kg (4.1lb.) |
1.7kg (3.7lb.) |
|
* Standard deviation for 1km double-run leveling
