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Auto level AL18 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 X Air Or Magnetic Damping And Compensation Mechanism, And Precision Of Compensator.It Is Speedy And Reliable As Well.
Model | AL8-22 | AL8-26 | AL8-28 | AL8-32 | ||||
Telescope | Erect | Erect | Erect | Erect | ||||
Magnification | 22X | 26X | 28X | 32X | ||||
Compensator Form | Model V | Model V | Model V | Model V | ||||
Damp Form | Magnetism Damp | Magnetism Damp | Magnetism Damp | Magnetism Damp | ||||
Objective Aperture | 36mm | 36mm | 36mm | 36mm | ||||
Field Of View | 1°20' | 1°20' | 1°20' | 1°20' | ||||
Minimum Focusing Distance | 1m | 1m | 1m | 1m | ||||
Stadia Ratio | 100 | 100 | 100 | 100 | ||||
Stadia Plus Constant | 0 | 0 | 0 | 0 | ||||
Accuracy | ±0.3"/Min | ±0.3"/Min | ±0.3"/Min | ±0.3"/Min | ||||
Level Sensitivity | ±0.5" | ±0.5" | ±0.5" | ±0.5" | ||||
Compensating Range | ±15' | ±15' | ±15' | ±15' | ||||
Circular Level Sensitivity | 8'/2mm | 8'/2mm | 8'/2mm | 8'/2mm | ||||
Horizontal Circle Graduating | 1° | 1° | 1° | 1° | ||||
Standard Deviation/ Kilometre | 2.5mm | 2.5mm | 2.5mm | 2.5mm | ||||