
TOPCON DT-305 L 数字经纬仪 (30X; 1m; 5")
制造商: TOPCON Model: DT-305 L - 联系
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
- 质量承诺
- 正品保修
- 送货到家
- 交易简单化