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Automatic level Sokkia B20+B21 |
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Ditulis oleh administrator
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Kamis, 26 November 2009 04:32 |
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Tampilkan Gambar Lebih Besar
Harga Nego : Call Sales
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Info Harga dan Produk ini...!!!
What's in the Box:
- Waterpass Sokkia B21
- Allumunium Tripod
- Rambu ukur / levelling staf
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The automatic level from Sokkia offers the best of our famed leveling technology in a more compact easy-to-use design.
Feature:
ougher smaller, and more tightly sealed against humidity and dust - for superior performance whatever the conditions. Better yet, this latest model is just a quick and easy to set-up, simple to sight, and immune to vibration, shock, and other environmental conditions. Fully resistant to rain and accidental dousings, it won't fog even with sudden temperature changes - leaving you free to concentrate on the work. This model meets JIS grade 4 specification for waterproofing. (This complies with international Electrotechnical Commission Standard, Class IPX4).
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PL1
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B1/B1C
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B20
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B21
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| Image |
Erect
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Erect
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Erect
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Erect
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| Magnification |
42x
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32x
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32x or 40x (opt.)
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30x
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| Resolving Power |
2” of arc
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3"
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n/a
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n/a
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| Field of View |
1° 10' (2.0 ft. @ 100 ft.)
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1° 20’ (2.3 ft. @ 100 ft.)
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1° 20’ (2.3 ft. @ 100 ft.)
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1° 20’ (2.3 ft. @ 100 ft.)
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| Minimum Focus |
6.6 ft. (2m)
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7.5 ft. (2.3m)
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1 ft. (0.3m)
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1 ft. (0.3m)
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| Stadia Ratio |
1:100
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0.3:100 or 1:100
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1:100
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1:100
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| Compensator — PL1 (split-image tubular vial); all others (wire-hung; magnetically damped) |
| Setting Accuracy |
n/a
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0.3"
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0.3"
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0.5"
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| Range |
n/a
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±10'
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± 15'
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± 15'
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| Leveling Accuracy (all models)—in 1.0 km (1 mile) of double-run leveling |
| Standard Deviation |
± 0.2mm / 001 ft.
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± 0.8mm / .003 ft.
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± 1.0mm / .004 ft.
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± 1.5mm / .006 ft.
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| w/ micrometer |
.001 in (0.1m)
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± 0.5mm / .002 ft.
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± 0.8mm / .003 ft.
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± 1.2mm / .005 ft.
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| Level Vial (all models) — circular |
| Sensitivity |
3.5' / 2mm
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10' / 2mm
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10' / 2mm
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10' / 2mm
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