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.
Features:
- 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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- Technical Specifications
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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
Compensator
- 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
Environmental
- Operating Temp: -20 to +50 degrees C
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