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 Northwest Instrument 20x Builders' Automatic Level, Model NBL20Item #10320 (Value Package, Item #11020)
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- The Northwest Instrument NBL20 Builders' Automatic Level has a 150-foot working range and a leveling accuracy of 1/16 in @ 75 feet.
- The telescope has 20x magnification.
- The compensator is protected by a steel caged has a broad working range.
- It has an industry grade dust and water resistance or ingress protection (IP) rating of 54.
- A lens covered with multiple layer produces a clear sight.
- Functions quickly with the uninterrupted tangent drive.
- The mirrored prism makes the bubble vial easy to view.
Northwest Instrument 20x Builders' Automatic Level, Model NBL20 Includes: a Carrying Case, a Plumb Bob, and a Manual.
The Value Package (Model NBLP20) includes the Automatic Level (Model NBL20), a Contractor’s Aluminum Tripod (Model NAT83), a 9-foot Aluminum Grade Rod (Model NAR09E), a Carrying Case, a Plumb Bob, and a Manual.
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Magnification
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20x
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Working Range
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150 feet
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Leveling Accuracy
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±1/16”/75ft.
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Image
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Erect
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Objective Aperture
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1.2"
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Field of View
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1°5'
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Resolution
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3.5"
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Stadia Ratio
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1:100
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Dia. of Horizontal Circle
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4"
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Graduation
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1°
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Center Type
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Spindle
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Sensitivity of Circular Vial
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8'/2 mm
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Tangent Style
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Double Knob, Continuous Drive
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Compensator Type
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Steel Cage, Wire Hung
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Compensator Range
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±15'
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Leveling Head
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Three Leveling Screws
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Tripod Adapter
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5/8x11" Thread
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Approx. Weight of Case
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7 lbs.
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Note: All prices in US Dollars
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