SPECIFICATIONS|
AT-G SERIES |
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SPECIFICATIONS |
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AUTO-LEVEL |
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AT-G1 | AT-G2 | AT-G3 | AT-G4 | AT-G6 | AT-G7 | AT-22A | AT-M3 |
| TELESCOPE | ||||||||
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Length (mm) |
229 | 230 | 192 | 193 | 204 | 205 | 238 | |
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Image |
Erect | |||||||
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Magnification |
32X | 30X | 26X | 24X | 22X | 26X | ||
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Objective Lens (mm) |
45 | 40 | 30 | 35 | 40 | |||
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Relative Brightness |
1.98 | 1.78 | 1.33 | 1.56 | 1.86 | 2.5 | 2.37 | |
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Field of View |
1°20' | 1°30' | 1°10' | |||||
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Resolving Power |
2.5" | 3.0" | 3.5" | 4.0" | 4.0" | 3.5" | 3.0" | |
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Minimum Focus (m) |
1.0 | 0.5 | 0.9 | 0.5 | 0.0 | |||
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Stadia Constant |
0 | 0.1 | 0 | --- | ||||
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Stadia Ratio |
100 | --- | ||||||
| SENSITIVITIES OF LEVELS | ||||||||
| Circular Level (/2mm) | 8' | 10' | 8' | 10' | ||||
| AUTOMATIC LEVELING | ||||||||
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Setting Accuracy |
±0.3" | ±0.5" | ±0.3" | |||||
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Compensating Range |
±15' | ±10' | ±15' | |||||
| ACCURACY 1 km DOUBLE RUN LEVEL | ||||||||
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w/o Optical Micrometer (mm) |
±0.7 | ±1.5 | ±2.0 | ±2.5 | ±2.0 | |||
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w Optical Micrometer (mm) |
±0.4 | ±1.0 | --- | |||||
| HORIZONTAL CIRCLE | ||||||||
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Diameter (mm) |
90 | 117 | 102 | 107 | 88 | |||
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Minimum Division |
10'(0.1g) | 1°(1g) | 1°(1g) | |||||
| WEIGHT | ||||||||
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Instrument (kgs) |
2.1 | 1.8 | 1.6 | 1.2 | 1.9 | 2.3 | ||
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Carrying (kgs) |
1.3 | 1.2 | 1.0 | 1.2 | ||||