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Topcon DT-300

Topcon DT-300

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Waterproof and Dustproof Digital Theodolites

The DT-300 series integrates the same high-quality advanced absolute circle reading technology found in Topcon's high-performance total station products for more accurate field calculations, and they continue to deliver the highest quality optics and electronics you expect to find in Topcon theodolites.


  • Long Battery Life
  • Waterproof and Dustproof Digital Theodolites

Available in three affordable models delivering 5", 7", or 9" angle accuracy, there is a DT-300 theodolite perfect for any job. Like the DT-200 series, the DT-300 series weathers any wet or dust conditions in the field, allowing for a more productive day during inclement weather. All models are also compact and lightweight for easy portability; and their simple operation provides precise measurement in a functional, hassle-free package.

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  • Telescope

    • Length: 149 - 152 mm
    • Objective Lens: 45 mm
    • Magnification: 30x power
    • Field of View: 1°30'
    • Resolving Power: 2.5" power
    • Minimum Focus: 90 cm
    • Stadia Ratio: 100
    • Stadia Constant: 0
    • Sighting Collimator: Double

    Electronic Angle Measurement

    • Method: Absolute Reading
    • Detecting: 2 horizontal sides
    • Minimum reading: 1"/5" arc seconds
    • Accuracy: 5 arc seconds
    • LCD: 7 segments


    • Sides: 2
    • Serial signal connector: RS-232C
    • Tilt sensor: Vertical

    Data Output

    • Serial signal connector: RS-232C

    Optical Plummet Telescope

    • Magnification: 3x power
    • Field of view: 3° degrees

    Level Sensitivity

    • Plate level: 40°/2mm
    • Circular level: 10°/2mm

    Water Protection

    • Standard: IP66 rating

    Power Supply

    • Battery: 4AA batteries

    Operating time Alk.

    • Theodolite only: 140 Hours


    • Operating Temp: -20 to +50 degrees C
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