TOPCON

Geodetic Measurement Station

Model: GM55

Brand: Topcon

Telescope:

  • Magnification / Resolving power: 30x / 2.5"
  • Others: Length : 171mm (6.7in.), Objective aperture : 45mm (1.8in.) (48mm (1.9in.) for EDM), Image: Erect, Field of view: 1°30' (26m/1,000m),Minimum focus: 1.3m (4.3ft.) Reticle illumination: 5 brightness levels

Angle measurement:

  • Minimum Display: 1”/5” (0.0002 / 0.001gon, 0.005 / 0.02mil)
  • Accuracy (ISO 17123-3:2001): 5"
  • Dual-axis compensator : Dual-axis liquid tilt sensor, working range: ±6'
  • Collimation compensation: On/Off (selectable)

Distance measurement:

Laser output: Reflectorless mode : Class 3R / Prism/sheet mode : Class 1

Measuring range (under average conditions) :

  • Reflectorless: 0.3 to 500m (1,640ft.)
  • Reflective sheet: RS90N-K: 1.3 to 500m (4.3 to 1,640ft.), RS50N-K: 1.3 to 300m (4.3 to 980ft.),RS10N-K: 1.3 to 100m (4.3 to 320ft.)
  • Mini prism: 1.3 to 500m (4.3 to 1,640ft.)
  • One prism: 1.3 to 4,000m (4.3 to 13,320ft)

Minimum Display: Fine / Coarse : 0.0001m (0.001ft. / 1/8 in.) / 0.001m (0.005ft. / 1/8 in.) (selectable) Coarse : 0.001m (0.005ft. / 1/8 in.) / 0.01m (0.02ft. / 1 in.) (selectable) Tracking / Road : 0.01m (0.02ft. / 1 in.)

Accuracy (ISO 17123-4:2001) (D=measuring distance in mm):

  • Reflectorless:  (2 + 2ppm x D) mm
  • Reflective sheet: (2 + 2ppm x D) mm
  • Prism: (1.5 + 2ppm x D) mm

General:

Laser-pointer: Coaxial red laser using EDM beam

Levels:

  • Graphic: 6’ (Inner Circle)
  • Circular level (on tribrach): 10' / 2mm.

Plummet Optical: Magnification: 3x, Minimum focus: 0.5m (19.7in.) from tribrach bottom

Other products

HEAD OFFICE & WARRANTY CENTER

Address: No 6 Hoa Ma str , Hai Ba Trung dist, Ha Noi capital of VietNam
Phone: +84 24 3976 1588
Email: info@victory.com.vn

Contact for warranty:
baohanh@victory.com.vn

REPRESENTATIVE OFFICE IN HO CHI MINH CITY

Address: No 91 Nguyen Binh Khiem str, 1 District, Ho Chi Minh city
Phone: +84 28 3910 4694

REPRESENTATIVE OFFICE IN DA NANG CITY

Address: No 234 Ha Huy Tap str, Thanh Khe dist, Da Nang city
Phone: +84 236 3811 646