詠
翔 儀 器
臺灣-蕃薯興
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Sokkia水準儀
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| B1C B1 B20 B21 High Precision Automatic Levels | |||||
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| Model | B1C | B1 | B20 | B21 | |
| Telescope magnification | 32x | 30x | |||
| Objective aperture | 45mm (1.8in.) | 42mm (1.7in.) | |||
| Minimum focus | 2.3m (7.5ft.) | 0.3m (1.0ft.) | |||
| Accuracy (Standard deviation for 1km double-run leveling) |
Without micrometer | 0.8mm (0.03in.) | 0.7mm (0.027in.) | 1.5mm (0.06in.) | |
| With micrometer | 0.5mm (0.02in.) | 0.5mm (0.02in.) | 1.2mm (0.05in.) | ||
| Compensator | Type | 4 wire pendulum compensator with magnetic damping system | |||
| Working range | ±10' | ±15' | |||
| Water protection | − | IPX4 (IEC 60529) | |||
| Horizontal circle graduation | 1° (1gon) | − | 1° (1gon) | ||
| Weight | 3.2kg (7.1lb.) | 3.0kg (6.6lb.) | 1.85kg (4.1lb.) | ||
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| C300 C310 C320 C330 C410 Automatic Levels | ||||||
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| Model | C300 | C310 | C320 | C330 | C410 | |
| Telescope magnification | 28x | 26x | 24x | 22x | 20x | |
| Objective aperture | 36mm (1.4in.) | 32mm (1.3in.) | 30mm (1.2in.) | |||
| Minimum focus | 0.3m (1.0ft.) | 0.9m (3.0ft.) | ||||
| Accuracy (Standard deviation for 1km double-run leveling) |
Without micrometer | 2.0mm (0.08in.) | 2.5mm (0.1in.) | |||
| Compensator | Type | 4 wire pendulum compensator with magnetic damping system | ||||
| Working range | ±15' | |||||
| Water protection | IPX4 (IEC 60529) | n/a | ||||
| Horizontal circle graduation | 1° (1gon) | |||||
| Weight | 1.7kg (3.7lb.) | 1kg (2.2lb.) | ||||