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Topcon DT-305L Digital Theodolite

Rp53,000,000.00

  • High-accuracy (5”, 7” and 9” models) measurements
  • Ultra-rugged IP66 dust and heavy rain protection
  • Compact and light weight
  • Long-lasting Li-ion or AA battery life
  • Easy-to-use LCD backlit display
  • Precise laser pointer guidance
  • Embedded tilt sensor for 5” and 7” models
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Specifications Topcon DT-305L Digital Theodolite

Telescope 

  • Length 152 mm
  • Aperture 45 mm
  • Magnification 30X
  • Image Erect
  • Field of view 1°30’ (26 m/1,000 m)
  • Resolving power 2.5″
  • Minimum focus 1.0 m
  • Stadia ratio 100
  • Stadia constant 0

Angle measurement

  • Method Rotary absolute encoder

Detecting

  • Horizontal: 1 sides
  • Vertical: 1 sides
  • Minimum display : 1″ (0.0002 gon/0.01 mil)/ 5″ (0.001 gon/0.1 mil) (selectable)
  • Accuracy*1 5″

Display

  • Unit : 2 sides

Tilt angle compensation

  • Type Automatic vertical compensator
  • Range of compensation ±3′ (±0.0555 gon)
  • Compensation constant Can be changed (compensation is done at the same time with vertical angle 0 point)

Optical plummet

  • Magnification 3X
  • Minimum focus 0.5 m

Sensitivity of levels

  • Circular level 10’ /2 mm
  • Plate level 30″/ 2 mm
Temperature 

  • Operating temperature range -20 to 50°C (-4 to 122°F)*2
  • Storage temperature range -30 to 60°C (-22 to 140°F) (no condensation)

Environmental durability

  • Dust and water protection IP66 (IEC 60529: 2001)

Power Supply (Standard)

  • Power source 4 AA alkaline batteries

Working duration at 20°C (Standard)

  • Theodolite only about 230 hour
  • Laser only about 80 hours
  • Theodolite and laser about 55 hours

Power Supply (Option)

  • Power source BDC71 (Optional accessory)

Working duration at 20°C (Option)

  • Theodolite only about 300 hours
  • Laser only about 100 hours
  • Theodolite and laser about 70 hours

Tribrach

  • Type Detachable

Laser-pointer

  • Signal source – Red laser diode (633 nm
  • Maximum output 0.6 mW
  • Laser Class Class 2
  • Laser beam range 50 m (in daylight)

Others

  • Size (with handle) 173 (D) X 181 (W) X 318 (H) mm (Display on both sides)
  • Weight 4.1 kg (9.04 lb) (with batteries and battery holder)

 

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