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Overview for the Topcon DT-209L Waterproof Digital Theodolites with Laser Pointer
Integrated with a long-range laser pointer, the Topcon DT-209L 9 Second Digital Theodolite accurately calculates any alignment and layout jobs. Featuring an advanced absolute encoder and high quality telescope with 26x magnification and 3-inch resolving power, this optical instrument produces reliable angle measurements and exceptional viewing quality of the target.
Laser Pointer with Pin-Point Accuracy
The built-in laser pointer can be seen up to 165 feet away outdoors. This enables construction professionals to accurately place bolts at regular intervals on a line, set an angle or sight in footers and tilt-up walls. The bright red laser beam also promotes quick aiming and guides the rod-man during layout.
Absolute Encoder
Surveyors can take measurements as soon as the theodolite is turned on with the built-in absolute encoder. This technology uses advanced algorithm to restore the azimuth after the instrument’s power is cut off, improving reliability of angle measurements and reducing power consumption.
Fast Set-Up
The DT209L also includes a fixed tribrach with bubble vial and a built-in optical plummet for precise positioning and leveling of the instrument on the jobsite.
Single Display and Functional Keys
A large LCD display and simple five-button panel provide you with a simple interface to quickly take horizontal and vertical angle measurements.
Ultimate in Continuous Operation
With an IP-66 rating for dust and water protection, the DT 209L digital theodolite promotes productive surveying even in harsh weather. Its telescope is also constructed to prevent moisture and eliminate lens fogging. Compact and lightweight, this survey tool offers up to 170 hours of continuous measurement in angle mode using four standard AA alkaline batteries.
This Topcon theodolite package comes with a hard carrying case, plumb bob, tool kit, waterproof protective cover, lint-free lens cloth, batteries and 5-year manufacturer's warranty.
Features for the Topcon DT-209L Waterproof Digital Theodolites with Laser Pointer
- Measure horizontal and vertical angles
- 9-second accuracy
- Long-range laser pointer
- Pin-point laser accuracy
- 3-inch telescope resolving power
- Absolute encoder
- Optical plummet
- Fixed tribrach
- Water resistant and dustproof to IP-66
- Single backlit LCD display
- Up to 170-hour battery life
Specifications for the Topcon DT-209L Waterproof Digital Theodolites with Laser Pointer
|
Telescope
|
|
| Image | Erect |
| Magnification | 26x |
| Diameter of Objective Lens (Aperture) | 1.6 in (40 mm) |
| Focus Distance | 3.3 ft (1 m) |
| Field of View | 1 degree 30' |
| Ratio of Stadia Lines | 100 |
| Resolving Power | 3-inch |
| Length of Tube | 6 in (152 mm) |
|
Optical Plummet
|
|
| Image | Erect |
| Magnification | 3x |
| Field of View | 3 degrees |
| Focus Range | 1.64 ft (0.5 m) |
|
Angle Measurement
|
|
| Display | 10"/20" (2/5mgon) |
| Accuracy | 9-second |
| Circle Diameter | 2.8 in (71 mm) |
| Measuring Method/Reading System | Absolute |
| Detection Method | Horizontal: single; vertical: single |
|
Level
|
|
| Plate/Tubular Bubble Vial | 60 seconds/2 mm |
| Circular Bubble Vial | 10 minutes/2 mm |
|
General
|
|
| Weight | 7.9 lbs (3.6 kg) |
| Warranty | 5-year |
| Dimensions | 7.1 x 5.9 x 12.0 in (18.8 x 15.2 x 30.5 cm) |
| Protection Class | IP-66 (dustproof and protection against water jets and heavy seas) |
| Tribrach | Fixed |
|
Battery/Power
|
|
| Power Source | 4 x AA batteries |
| Battery Life | 170 hours |
| Battery Life Alert | yes |
|
Applications
|
|
| 90-Degree Layout | yes |
| Checking Angles | yes |
| Alignment and Plumb | yes |
| Short-Range Leveling | yes |
| General Construction | yes |
| Anchor Bolt Positioning | yes |
| Steel Column Placement | yes |
| Setting Elevations | yes |
| Setting Lines | yes |
| Basic Grade Work | yes |
|
Display and Keypad
|
|
| Type | LCD, 7 digits x 2 lines |
| Sides | Single |
| Backlight | yes |
|
Temperature
|
|
| Operating | -4°F to +122°F (-20°C to +50°C ) |
|
Laser Pointer
|
|
| Range Indoors | 656 ft (200 m) |
| Class | 2 |
| Wavelength | 633 nm |
| Range Outdoors | 164 ft (50 m) |
