LAND SURVEY INSTRUMENT:AUTOMATIC LEVEL,AUTOLEVEL, AL12-SERIES
USD $63 - $65 /Unit
Min.Order:1 Unit
Deruite Industry & Trading Co., Ltd.
auto level AL12-SERIES
This instrument is mainly suitable for high precision survey of engineering including construction project,mines,road,bridge,etc. It possesses convenient operation,clear image,water proof facility,type V Magnetic damping and compensation mechanism,and precision of compensator. It is speedy and reliable as well.
SPECIFICATION:
Model | AL12-20 | AL12-22 | AL12-24 | AL12-26 | AL12-28 | AL10A -32 |
Image | Erect | Erect | Erect | Erect | Erect | Erect |
Magnification | 20X | 22X | 24X | 26X | 28 | 32X |
Compensator form | Model V | Model V | Model V | Model V | Model V | Model V |
Damp form | Magnetism damp | Magnetism damp | Magnetism damp | Magnetism damp | Magnetism damp | Magnetism damp |
Objective aperture | 36mm | 36mm | 36mm | 36mm | 36mm | 36mm |
Field of view | 1°20¹ | 1°20¹ | 1°20¹ | 1°20¹ | 1°20¹ | 1°20¹ |
Minimun focusing distance | 1m | 1m | 1m | 1m | 1m | 1m |
Stadia Ratio | 100 | 100 | 100 | 100 | 100 | 100 |
Stadia plus constant | 0 | 0 | 0 | 0 | 0 | 0 |
Accuracy | ±0.3"/min | ±0.3"/min | ±0.3"/min | ±0.3"/min | ±0.3"/min | ±0.3"/min |
Level Sensitivity | ±0.5" | ±0.5" | ±0.5" | ±0.5" | ±0.5" | ±0.5" |
Compensating Range | ±15¹ | ±15¹ | ±15¹ | ±15¹ | ±15¹ | ±15¹ |
Circular Level Sensitivity | 8¹/2mm | 8¹/2mm | 8¹/2mm | 8¹/2mm | 8¹/2mm | 8¹/2mm |
Horizontal circle graduating | 360°/400Gon | 360°/400Gon | 360°/400Gon | 360°/400Gon | 360°/400Gon | 1° |
Standard Deviation For 1Km Double Run Leveling | 3mm | 3mm | 3mm | 2.5mm | 2.5mm | 2.0mm |
Net weight | 1.4kgs | 1.4kgs | 1.4kgs | 1.4kgs | 1.4kgs | 1.4kgs |