AT B2/B3/B4 Factory Price Smart Level Surveying Instrument Optical Digital Level Auto Level
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- Supplier: Jiangxi New Land Surveying Company
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Product Overview
Description
AT-B2/B3/B4 Factory Price Haodi Smart Level Surveying Instrument Optical Digital Level Auto Level
| AT-B2 | AT-B3A | AT-B4A | |
| Telescope | |||
| Length | 215mm(8.46in.) | 214mm(8.42in.) | 214mm(8.42in.) |
| Magnification | 32X | 28X | 24X |
| Objective Aperture | 42mm(1.65in.) | 36mm(1.42in.) | 32mm(1.26in.) |
| Resolving Power | 3'' | 3.5'' | 4'' |
| Field of View | 1°20‘(2.3m/7.5ft) | 1°25‘(2.5m/8.2ft) | |
| (at 100m/328ft) | |||
| Minimum Focus | 0.2m(7.9in.)from end of telescope 0.3m(1ft)from instrument center | ||
| Image | Erect | ||
| Stadia Constant | 0 | ||
| Stadia Ratio | 100 | ||
| Focusing Knob | 2-speed | 1-speed | |
| Sighting Aid | Peep Sight | Gun Sight | |
| Accuracy (1km double runleveling) | |||
| Without Micrometer | 0.7mm(0.03in.) | 1.5mm(0.06in.) | 2.0(0.08in.) |
| With Micrometer | 0.5mm(0.02in.) | 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(4.1in.) | 99mm(3.9in.) | |
| Minimum Division | 1°/1gon | ||
| General | |||
| Water Resistance | IPX6(IEC 60529:2001) | ||
| Operating Temperature | -20 to +50℃(-4 to +122°F) | ||
| Width | 130mm(5.12in.) | 122mm(4.8in.) | |
| Length | 215mm(8.46in.) | 214mm(8.4in.) | |
| Height | 140mm(5.51in.) | ||
| Weight | 1.85KG | 1.5KG | |
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