TOPCON DT-305 L 数字经纬仪 (30X; 1m; 5")

Telescope

- Length: 152mm

- Aperture: 45mm

- Magnification: 30X

- Field of view: 1°30’ (26m/1,000m)

- Resolving power: 2.5"

- Minimum focus: 1.0m

- Stadia ratio: 100

- Stadia constant: 0

Angle measurement

- Method: Rotary absolute encoder

- Minimum display: 1"/ 5"

- Accuracy: 5"

Display:

- Unit: LCD 2 sides

Tilt angle compensation:

- Type: Automatic vertical compensator

- Range of compensation: ±3'

Optical plummet:

- Magnification: 3X

- Minimum focus: 0.5 m

Sensitivity of levels:

- Circular level 10’/2 mm

- Plate level 30"/ 2 mm

Dust and water protection: IP66

Operating temperature range: -20°C ~ +50°C

Storage temperature range: -30°C ~ +60°C

Power supply (Standard): 4 AA alkaline batteries

Working duration:

Theodolite only: 230 hours

Laser only: 80 hours

Theodolite and laser: 55 hours

Laser-pointer:

Signal source: Red laser diode 633 nm

Laser Class: Class 2

Maximum output: 0.6 mW

Laser beam range: 50 m

Others:

Size (DxWxH): 173 x 181 x 318 mm

Weight: 4.1kg

Included accessories: 

- DT-305 Digital Theodolite

- Carrying case and components

- Myzox Aluminium Tripod

- Myzox Aluminium Stave