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TOPCON GPT-3005LN (มือสอง)

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SPECIFICATIONS

Telescope

  • Length : 150mm
  • Objective lens : 45mm (EDM 50mm)
  • Magnification : 30×
  • Image : Erect
  • Field of view : 1°30'
  • Resolving power : 2.8"
  • Minimum focus : 1.3m
  • Reticle illumination : Provided

Distance measurement

  • Non-prism mode: 1.5m to 250 m (5 to 820 ft)
  • 1 prism: 3,000m (9,900ft)

Electronic Angle Measurement

  • Method : Absolute reading
  • Detecting system
    (Horizontal angle: 2 sides)
    (Vertical angle: 1 side)
  • Minimum reading 5" / 1"
  • Accuracy : 5"(1.5mgon )
  • Measuring time : Less than 0.3 sec.
  • Diameter of circle : 71mm

Tilt Correction (Automatic index)

  • Tilt sensor :  Automatic vertical and horizontal compensator
  • Method : Liquid type
  • Compensating Range : ±3'
  • Correction unit : 1" (0.1mgon)

Others

  • Instrument height : 176mm (6.93in) Base unit detachable
  • Level sensitivity
    (Circular level : 10'/2mm)
    (Plate level :30"/2 mm)
  • Optical Plummet Telescope
    (Magnification : 3×)
    (Focusing range : 0.5m to infinity)
    (Image : Erect)
    (Field of view : 5°(ø114mm/1.3m)
  • Laser pointer
    (Light source : L.D (Visible laser)
    (Wave length : 690nm)
    (Out put : 1mW maximum)
    (Laser class : Class 2(IEC Publication 825) : Class II(FDA/BHR 21 CFR 1040)
  • Laser Plummet (only for Laser plummet type)
    (Light source : L.D (Visible laser)
    (Wave length : 633nm)
    (Out put : 1mW maximum)
    (Laser class : Class 2(IEC Publication 825) : Class II(FDA/BHR 21 CFR 1040)
  • Dimension : 336(H)×184(W)×174(L) mm
    (13.2(H)×7.2(W)×6.9(L) in)
  • Weight Instrument
    (with battery) : 5.1kg
    (without battery) : 4.8kg
    (Plastic carrying case) : 3.2kg
  • Durability
    - Protection against water and dust : IP66 (with BT-52QA)
    - Ambient Temperature Range : –20°C to +50°C (–4°F to +122°F)

Battery BT-52QA

  • Out put voltage : 7.2 V
  • Capacity : 2.7 AH (Ni-MH)
  • Maximum operating time (when fully recharged) at +20°C (+68°F)
  • Including distance measurement : 4.2hours (5,000 points)
  • Angle measurement only : 45hours
  • Weight : 0.3kg ( 0.7 lbs)

Battery Charger BC-27BR / BC-27CR

  • Input voltage : AC 120V(BC-27BR), AC 230V(BC-27CR)
  • Frequency : 50/60Hz
  • Recharging time (at +20°C /+68°F)
    - Battery BT-52QA : 1.8 hours
  • Discharging time (at +20°C /+68°F)
    - Battery BT-52QA : 8 hours (in case of full charge)
  • Operating temperature : +10°C to +40°C ( +50°F to +104°F)
  • Charging signal : Red lamp illumination
  • Refreshing signal : Yellow lamp illumination
  • Finishing signal : Green lamp illumination
  • Weight : 0.5kg (1.1 lbs)
  • Battery using time will vary depending on environmental conditions and operations done with GPT3000 series

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