
2025 TV Buyer’s Shortlist: The 10 Models That Stand Out This Year
Discover the top 10 must-see TVs of 2025, showcasing exceptional features and stunning designs that elevate your viewing...
The Topcon DT-309 you’ll be up and working fast, thanks to its simple interface and large, easy-to-see backlit LCD. There’s an optical plummet that makes set up over a control point easy, and a tilt sensor that provides ±3 minute angle correction. The DT-300 Series features a ...The Topcon DT-309 you’ll be up and working fast, thanks to its simple interface and large, easy-to-see backlit LCD.
There’s an optical plummet that makes set up over a control point easy, and a tilt sensor that provides ±3 minute angle correction. The DT-300 Series features a magnification of 30x, a super-short 0.9m minimum focus distance for those tight areas, and angle accuracies of 9 arc seconds. - The DT-309 Digital Theodolite features a lightweight, compact alignment and angular measurement device which boasts up to 30 workdays of power through an Alkaline or Li-ion Battery, the highest water and dust protection in its category (IP66) paired with expert convenience.SpecificationsTelescopeAperture 45mm - Magnification 30x - Field of view 1°30'Minimum Focus 1.0m - Stadia Ratio 100Angle Measurement - Method Rotating Absolute Encoder - Minimum Reading10 (0.002 gon/0.05 mil)/20 (0.005 gon/0.1 mil) Selectable - Optical plummet - Magnification 3x - Minimum focus 0.5m - Sensitivity of levels - Circular level 10'/2mm - Plate level 30/2 mm - Power supply4x AA Dry Cells or BDC71 (Optional)Kit Components - DT-309 Digtal Theodolite - Plumb bob - Tool Kit - Waterproof Cover - Lens ClothCaseAustralian Calibration Certificate - Features a high-resolution digital display that provides clear and easy-to-read angle measurements, ensuring efficient and accurate data collection - Equipped with a dual-axis compensator, these theodolites automatically correct for both horizontal and vertical misalignments - Seamlessly connect the theodolites to external devices The DT-309 boasts an extended battery life, minimizing interruptions during fieldwork
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Discover the top 10 must-see TVs of 2025, showcasing exceptional features and stunning designs that elevate your viewing...