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Topcon DT-205 5" Waterproof and Dustproof Digital Theodolites 60212

  • Topcon DT-205 5" Waterproof and Dustproof Digital Theodolites
  • Topcon DT-205 5" Waterproof and Dustproof Digital Theodolites 60212
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Product Description

The Topcon DT-205 Digital Theodolite features a simple interface, dual backlit displays and a tilt sensor that provides angle correction for precise measurements. With 5-second accuracy, 30x magnification and 2-5-inch telescope resolving power, this survey instrument delivers quick results and high quality images of target points.

Automatic Angle Correction

Featuring dual-axis compensation, the DT205 automatically monitors and corrects shifting of both vertical and horizontal angles. It also has a detachable tribrach with bubble vial and a built-in optical plummet for easy set-up and leveling.

Absolute Encoder

This Topcon theodolite is integrated with an absolute encoder that uses an algorithm to improve the reliability of angle measurements. When the instrument shuts down, the measurement point is automatically restored to save time on the job site and reduce power consumption.

Work in Low Light

With two high contrast LCDs, five-button interface and reticle illuminator, this optical instrument provides clear angle readings and allows surveyors to work in low light conditions. So whether you work indoors, at dawn or inside mines, you can conveniently take accurate angle measurements and transfer them to a PC through the RS-232C cable connection.

Dustproof and Water Resistant

Lightweight and compact, the Topcon DT205 withstands the harshest jobsite environment with its IP-66 rating for dust and water protection. Its 360-degree rotating telescope is also constructed to prevent moisture and eliminate lens fogging. This survey tool has a long battery life of 140 hours using four standard AA alkaline batteries.

This Topcon theodolite package comes with a hard carrying case, plumb bob, tool kit, waterproof protective cover, lint-free lens cloth, batteries and 5-year manufacturer's warranty.


Features for the Topcon DT-205 5" Waterproof and Dustproof Digital Theodolites

  • Measure horizontal and vertical angles
  • 5-second accuracy
  • 2.5-inch telescope resolving power
  • Dual axis compensator
  • Absolute encoder
  • Reticle illumination
  • Optical plummet
  • Detachable tribrach
  • RS232C serial port
  • Water resistant and dustproof to IP-66
  • Dual backlit LCD display
  • Up to 140-hour battery life
  • Removable handle



Image Erect
Magnification 30x
Diameter of Objective Lens (Aperture) 1.8 in (45 mm)
Focus Distance 3 ft (0.9 m)
Field of View 1 degree 30'
Ratio of Stadia Lines 100
Resolving Power 2.5-inch
Length of Tube 5.9 in (149 mm)
Reticule Illumination yes
Optical Plummet
Image Erect
Magnification 3x
Field of View 3 degrees
Focus Range 1.64 ft (0.5 m)
Angle Measurement
Display 1"/5" (0.2/1mgon)
Accuracy 5-second
Circle Diameter 2.8 in (71 mm)
Measuring Method/Reading System Absolute
Detection Method Horizontal: diametrical; vertical: single
Plate/Tubular Bubble Vial 40 seconds/2 mm
Circular Bubble Vial 10 minutes/2 mm
Weight 9.0 lbs (4.1 kg)
Warranty 5-year
Dimensions 7.1 x 5.87 x 12.3 in (18.8 x 14.9 x 31.3 cm)
Protection Class IP-66 (dustproof and protection against water jets and heavy seas)
Tribrach Detachable
Power Source 4 x AA batteries
Battery Life 140 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 Dual
Backlight yes
Operating -4°F to +122°F (-20°C to +50°C )
Tilt Sensor/Compensator
Range ±3' (±55mgon)
Type Automatic vertical compensator
Pin Port RS-232C


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