Sokkia DT940 9″ Electronic Digital Theodolite Single Display 730033


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Overview for the Sokkia DT940 9″ Electronic Digital Theodolite Single Display

The Sokkia DT940 Digital Theodolite with 9-second accuracy enables surveyors to precisely measure angles for general construction application. Featuring advanced absolute encoder, tilt sensors, 26x magnification and 3-inch telescope resolving power, this optical instrument offers exceptional battery life and crystal clear images of points.

One-Key Surveying

With the built-in absolute encoder, you can start taking reliable angle measurements as soon as you turn on the power. By using advanced algorithm and digital sampling technology, the azimuth is automatically restored when the instrument is shut down or restarted to save time on the job site.

Choice of Display Modes

You can select the angle display unit that best suits you. Horizontal angle is switchable between clockwise and counterclockwise, angle hold and zero-set functions are also provided.

Right-Angle Notification

The DT940 survey instrument produces audible tones for each of the four right-angle directions once the zero horizontal angle direction is determined. It sounds two different tones within ±15 degrees of 90 degrees and stops beeping when it comes within ±1 degree.

Single Display

Featuring a single backlit LCD display and four-key operation, this Sokkia theodolite provides construction professionals with clear angle readings and short learning curve.

Ultra-Long Working Hours

The Sokkia DT940 boasts an IP-66 rating for protection to dust and water resistance. It also uses four AA alkaline batteries for up to 170 hours of operating time and works for two to five weeks without changing batteries depending on usage.

This Sokkia theodolite package comes with a hard carrying case, lens cap, plumb bob, tool pouch, vinyl cover, cleaning cloth, batteries and 1-year manufacturer’s warranty.


What’s in the Box

Sokkia DT940 9 second digital theodolite 303226141
Hard carrying case
Lens cap
Plumb bob
Tool pouch
Vinyl cover
Cleaning cloth
AA batteries (4)
User manual
1-year manufacturer’s warranty

Specifications for the Sokkia DT940 9″ Electronic Digital Theodolite Single Display

Image Erect
Magnification 26x
Diameter of Objective Lens (Aperture) 1.6 in (40 mm)
Focus Distance 3 ft (0.9 m)
Field of View 1 degree 30′
Ratio of Stadia Lines 100
Resolving Power 3-inch
Length of Tube 5.9 in (149 mm)
Optical Plummet
Image Erect
Magnification 3x
Field of View 3 degrees
Focus Range 1.64 ft (0.5 m)
Angle Measurement
Display 10″/20″ (2/5mgon)
Accuracy 9-second
Circle Diameter 2.8 in (71 mm)
Measuring Method/Reading System Absolute rotary encoder scanning
Detection Method Horizontal: single; vertical: single
Plate/Tubular Bubble Vial 60 seconds/2 mm
Circular Bubble Vial 10 minutes/2 mm
Weight 7.7 lbs (3.5 kg)
Warranty 1-year
Dimensions 7.4 x 5.9 x 12.0 in (18.8 x 14.9 x 30.5 cm)
Protection Class IP-66 (dustproof and protection against water jets and heavy seas)
Tribrach Fixed
Power Source 4 x LR6/AA batteries
Battery Life 170 hours
Battery Life Alert yes
90-Degree Layout yes
Checking Angles yes
Alignment and Plumb yes
Short-Range Leveling yes
General Construction yes
Anchor Bolt Positioning yes
Steel Column Placement yes
Setting Elevations yes
Setting Lines yes
Basic Grade Work yes
Display and Keypad
Type LCD, 7 digits x 2 lines
Sides Single
Backlight yes
Operating -4°F to +122°F (-20°C to +50°C )


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