AT-B4A
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- AT-B4A
- General Details
- Technical info
FEATURES
– The perfect product of high precision, high quality used for all level operations in a surveying field. Perfect water proofing effects displayed even in operations at marsh or tunnel, etc. as the telescope unit is sealed with solid nitrogen gas
– A fast, stable automatic apparatus with durability
– Horizontal graduated circle for angle measurement
– Outstanding capability to adapt to environments
SPECIFICATIONS
Telescope
– Total length : 214mm
– Image : Erect
– Magnification : 24x
– Objective aperture(mm) : 32mm
– Resolution : 1.56
– Field of View : 1˚ 30sec
– Resolving power : 4.0”
– Minimum Focus(m) : 0.3m
– Stadia constant : 0
– Stadia ratio : 100
Circular level
– Sensitivity : 8’
Magnetic damping system
– Setting accuracy : ±0.3”
– Working : ±15’
– Accuracy : 1km double run leveling
– Without micrometer : –
– Without micrometer : ±2.0
Horizontal circle
– Diameter : 99mm
– Minimum division : 1˚
Weight
– Body : 1.6
– Carrying case : 1.2