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Optical Levels, Transit Levels & Theodolites

Available20 products
Optical levels, transit levels, and theodolites measure elevation differences between two points for site surveying and construction applications. They assist with determining and transferring level over distances that are too large to measure with straight edges and bubble levels. These instruments are typically paired with a tripod that sets them at a comfortable working height, and they are centered and leveled on the tripod to ensure accurate measurements. They contain a telescope with magnifying lenses and a crosshair sight for viewing the target point (typically a grade rod) in order to establish a reference line.

Optical Levels

Optical Levels
Optical levels focus their telescope on an object to measure height differences, estimate distances, and check alignments. Also known as dumpy levels, they are commonly used when excavating, landscaping, and setting foundations and concrete forms.

20X Magnification

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22X Magnification

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24X Magnification

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26X Magnification

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30X Magnification

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32X Magnification

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Transit Levels

Transit Levels
Transit levels take readings using vernier scales and external graduated circles to set up reference lines, estimate distances, and make angular measurements up to 360° horizontally and 45° vertically. Also known as transits and builder's transit levels, they are commonly used to level foundations and driveways, align fencing, and grade streets and drainage systems.

20X Magnification

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22X Magnification

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Theodolites

Theodolites
Theodolites rotate their telescope fully through both the horizontal and vertical planes to measure angles at any point for surveying, navigation, structural layout and alignment, and more. Their internal optical magnifying system delivers more accurate measurements than optical and transit levels. They combine a laser plummet to plumb the instrument above the survey point, a bubble level to set the instrument horizontally even, and graduated circles that locate angles along horizontal and vertical axes.
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