Surveying Instruments Automatic Level Auto Level Dumpy Level
Surveying Instruments Automatic Level Auto Level Dumpy Level

Surveying Instruments Automatic Level Auto Level Dumpy Level

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Description




Surveying Instruments Automatic Level Auto Level Dumpy Level




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Models and technical parameters AL4-3 AL4-2 AL4-1
        Telescope                                          Length of tube 215MM
Image Erect
    Objective aperture 32MM 36MM 42MM
 Mangnification 24× 28× 32×
 Field of view 1°25′ 1°25′ 1°20′

Resolution

(JIS standard)

 4.0″ 3.5″ 3.0″
 Minimum focus

0.3m(from the centre 

of the instrument)
 Stadia ratio 100
       Horizontal scale Diameter 103mm
Value of division 1°
      Automatic       compensator Type Magneic
Range ±15
Accuracy 0.5/1 0.3/1
Circular bubble sensitively ≤8′/2mm
Sighting device / with sighting device
Standard deviation of 1km round-trip leveling measurement Without Micrometer ±2.0mm ±1.5mm ±1.0mm
With Micrometer / 0.8mm
Waterproof grade IP66
Size 215×130×135mm
Weight 1.75kg 1.75kg 1.75kg
Case weight(include accessories) 1.38kg

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