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Topcon DT-309 Waterproof Digital Theodolite 9"

Stock Code: DT-309
Original price $0.01 - Original price $0.01
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Topcon's DT-309 theodolite integrates the same high-quality advanced absolute circle reading technology found in Topcon's high-performance total station products for more accurate field calculations. They continue to deliver the highest quality optics and electronics. The DT-309 weathers wet and dust conditions in the field, allowing for a more productive day during inclement weather. Compact and lightweight for easy portability and their simple operation provides precise measurement in a functional, hassle-free package.
Topcon's DT-309 theodolite can stand up to any "Wet-Weather" condition that can occur in the field. The benefit is that you will experience no downtime on the job due to inclement weather. Degree of protection against water for the DT-309 is based on the standard IEC60529, whose definition is "Water projected in powerful jets against the enclosure from any direction shall have no harmful effect." (IP66).
The DT-309 is extremely compact in its size for easy portability, and it weights only 3.4kg. Topcon has combined precise measurement in a functional package. The DT-309 is so easy to operate that anyone at the site can use it without the need of any special training.


  • Theodolite
  • Plumb bob
  • Tool kit
  • Lint free lens cloth
  • Waterproof protective cover
  • Hard carrying case


  • Top quality
  • Low cost
  • Crisp LCD display
  • Simple operation
  • Degrees or percentage readings for the vertical angle
  • Magnification: 26x
  • Image: Erect
  • Field of View: 1°30'
  • Data Collection: No
  • Resolving Power: 3"
  • Minimum Focus: 90cm
  • Stadia Constant: 0
  • Sighting Collimator: Double
  • Method: Absolute Reading
  • Detecting: Horizontal: 1 side, Vertical: 1 side
  • Minimum Reading: 10"/20"
  • Accuracy: 9"
  • Diameter of Circle: 71mm
  • Display Panel: 1 Side, LCD 7 Segments
  • Illumination: Display only
  • Magnification: 3X
  • Field of View:
  • Focusing Range: 0.5m~
  • Plate Level: 60"/2mm
  • Circular Level: 10'/2mm
  • Standard: IP-66
  • Battery: Four AA batteries
  • Operating Time: 170hrs on Four AA's
  • Warranty: 2 years