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Sokkia B30 Auto Level
Place of Origin:Guangdong China (Mainland)
Brand Name:Sokkia
Model Number:B30
Precise, Reliable Automatic Compensator:
Superior Telescope
Quick Collimation:
32X Magnification,
Horizontal Angle Measurement:
World-Proven Precision and Durability
Sokkia series automatic levels feature enhanced reliability under all environmental conditions. Tough and compact bodies are more tightly sealed against water, humidity and dust.
The automatic levels provide quick setup, easy sightiing, and superior durability against vibration and shock, ensuring the increased productivity over an extra-long period of time.
| ITEM | B40 | B30 | B20 |
| Telescope | |||
| Length | 215mm | ||
| Objective aperture | 32mm | 36mm | 42mm |
| Magnification | 24X | 28X | 32X |
| Image | Erect | ||
| Resolving power | 4" | 3.5" | 3.0" |
| Field of view(at 100m) | 1° 25′ (2.5m) | 1° 20′ (2.3m) | |
| Minimum focussing distance | 0.3m | ||
| Reticle pattern | Cross hairs | wedge | |
| Stadia multiplication constant | 100 | ||
| Stadia additive constant | 0 | ||
| Coarse sighting | Gun sight | Peep sight | |
| Compensator | |||
| Type | pendulum compensator with magnetic damping system | ||
| Working range | ± 15′ | ||
| Setting accuracy | 0.5" | 0.3" | |
| Leveling Accuracy | |||
| Standard deviation for 1km | 2.0mm | 1mm | |
| Horizontal Circle | |||
| Diameter | 103mm | ||
| Graduation/Estimation | 1° /0.1° | ||
| General | |||
| Sensitivity of circular level | 10′ /2mm | ||
| Mirror for circular level | Plane mirror | pentaprism | |
| Horizontal motion drive | Clampless, endless, double-sided knobs | ||
| Water resistance | IPX6(IEC60529) | ||
| Size | 122mm× 215mm× 135mm | 130mm× 215mm× 140mm | |
| Weight | 1.7kg | 1.85kg | |
Sokkia B30 Auto Level