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Brand Name : GEOALLEN
Model Number : AL serial
Place of Origin : China
MOQ : 4 PCS
Price : USD
Payment Terms : L/C, T/T
Supply Ability : 10000PCS
Packaging Details : plastic case & carton box
color : Yellow
magnification : 20X /24X /28X /32X
image : erect
degree : 360/400 degree
AL20 | AL24 | AL28 | AL32 | |||
Standard Deviation for 1km | 2.0mm | 2.0mm | 1.5mm | 1.0mm | ||
Double-run Leveling | ||||||
Image | Erect | Erect | Erect | Erect | ||
Magnification | 20X | 24X | 28X | 32X | ||
Objective Aperture | 40mm | 40mm | 40mm | 40mm | ||
Field of View | 1°20’ | 1°20’ | 1°20’ | 1°20’ | ||
Minimum Focus | 0.65m | 0.65m | 0.65m | 0.65m | ||
Multiplication Constant | 100 | 100 | 100 | 100 | ||
Additive Constant | 0 | 0 | 0 | 0 | ||
Compensating Range | +/-15' | +/-15' | +/-15' | +/-15' | ||
Setting Accuracy | +/-0.5" | +/-0.5" | +/-0.4" | +/-0.3" | ||
Sensitivity of Bubble | 8'/2mm | 8'/2mm | 8'/2mm | 8'/2mm | ||
Circle Reading | 1°/1gon | 1°/1gon | 1°/1gon | 1°/1gon |
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Yellow Auto Level Suvey And Construction Instrument with air damping 20X / 24X / 28X / 32X Images |