The Topcon 5-Second Digital Theodolite DT-309 (Model: 103441908) is a professional-grade angular measurement tool designed for surveying, construction, and engineering projects. Built on the trusted DT-200 platform, the DT-309 introduces advanced absolute circle reading technology, ensuring unmatched accuracy in field calculations. Its compact, lightweight design, coupled with laser-guided precision, makes it indispensable for professionals requiring reliable and portable measurement solutions.
Key Features:
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5-Second Angular Accuracy: Ensures precise horizontal and vertical angle measurements for critical alignment tasks.
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Advanced Absolute Encoder Technology: Delivers consistent and reliable calculations without frequent recalibration.
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Dual Axis Compensator: Corrects tilt with a compensating range of ±3 arc-minutes, ensuring accurate leveling even on uneven terrain.
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Reticle Illumination: Improves targeting in low-light conditions for enhanced precision.
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Dual Backlit LCD Displays: Large, easy-to-read displays provide visibility in all lighting conditions.
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Optical Plummet: Simplifies setup over control points, ensuring accurate alignment.
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Powered by the Topcon BDC Li-Ion Platform: Offers long-lasting performance with extended battery life, up to 140 hours on a single charge.
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IP-66 Waterproof and Dustproof Rating: Protects the theodolite in harsh environmental conditions, including rain, dust, and wind.
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2.5-Inch Telescope Resolving Power: Ensures sharp and clear views of distant targets for precise measurement.
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RS232C Serial Port: Enables seamless data transfer to external devices, streamlining workflows.
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Detachable Tribrach: Allows for flexible usage and quick adjustments on-site.
Specifications:
- Accuracy: 5 seconds
- Compensator Range: ±3 arc-minutes
- Battery Life: Up to 140 hours (Li-Ion or AA batteries)
- Operating Temperature: -20°C to 50°C
- Storage Temperature: -30°C to 60°C
- Waterproof/Dustproof Rating: IP-66
Included Accessories:
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Theodolite: Precise angular measurement tool with advanced features.
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Plumb Bob: Ensures vertical accuracy during setup.
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Tool Kit: Includes essential tools for calibration and maintenance.
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Lint-Free Lens Cloth: Keeps optics clean for clear visuals.
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Waterproof Protective Cover: Shields the theodolite from environmental damage.
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Hard Carrying Case: Provides secure transport and storage for the device and accessories.
NOTE: Due to interstate and international shipping constraints, Topcon products do not include alkaline batteries.
Frequently Asked Questions (FAQ)
Q1: What makes the Topcon DT-309 unique?
The advanced absolute encoder technology, dual-axis compensator, and IP-66 waterproof protection set it apart, offering unmatched accuracy and durability in demanding environments
Q2: Does it work in low-light conditions?
Yes, the reticle illumination and backlit LCD displays enhance usability in dim or low-light environments.
Q3: What does the dual-axis compensator do?
It corrects tilt within a range of ±3 arc-minutes, ensuring accurate leveling on uneven or sloped surfaces.
Q4: Is the tribrach detachable?
Yes, the detachable tribrach enables quick adjustments and flexible usage on-site.
Q5: What is the telescope resolving power?
The DT-309 features a 2.5-inch resolving power, ensuring clear and sharp visuals for precise targeting.
Q6: Can I use this theodolite in extreme temperatures?
Yes, the DT-309 operates reliably between -20°C and 50°C and can be stored between -30°C and 60°C.
Q7: How do I maintain the DT-309?
Clean the lens with the lint-free cloth, store it in the hard carrying case, and use the tool kit for any necessary calibration.
