• 1,000 m non-prism range
• 6,000 m prism range
• “Best in class” angle accuracy 1.
• Up to 32 GB of storage
• IP66 waterproof/dust-proof
• Compatible with industry standard thumb drives
• Battery life 21 hours in normal mode

Specifications Topcon GM-105 Total Station

Telescope

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

Angle measurement

• Minimum Display 0.5″/1″ (0.0001 / 0.0002gon, 0.002 / 0.005mil)
• Accuracy (ISO 17123-3:2001): 1″
• Dual-axis compensator: Dual-axis liquid tilt sensor, working range: ±6′
• Collimation compensation: On/Off (selectable)

Distance measurement

• Laser output*1 Reflectorless mode : Class 3R / Prism/sheet mode : Class 1
• Measuring range (under average conditions*2)
  º Reflectorless*3: 0.3 to 800m (2,620ft.) / Under good conditions*4 : 1,000m (3,280ft.)
  º Reflective sheet*5*6:
  * 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 prisms:
  º CP01: 1.3 to 2,500m (4.3 to 8,200ft.),
  º OR1PA: 1.3 to 500m (4.3 to 1,640ft.)
• One prism: 1.3 to 5,000m (4.3 to 16,400ft.) / Under good conditions*4 : 6,000m (19,680ft.)
• Minimum Display:
  º Fine / Rapid : 0.0001m (0.001ft. / 1/16 in.) / 0.001m (0.005ft. / 1/8 in.) (selectable)
  º Tracking / Road : 0.001m (0.005ft. / 1/8 in.) / 0.01m (0.02ft. / 1/2 in.) (selectable)
• Accuracy*2(ISO 17123-4:2001) (D=measuring distance in mm):
  º Reflectorless*3: (2 + 2ppm x D) mm*8
  º Reflective sheet*5*6: (2 + 2ppm x D) mm
  º Prism*7: (1.5 + 2ppm x D) mm
• Measuring time*4*9:
  º Fine: 0.9s (initial 1.5s)
  º Rapid: 0.6s (initial 1.3s)
  º Tracking: 0.4s (initial 1.3s)

OS, Interface and Data management

• Operating system: Linux
• Display / Keyboard: Graphic LCD, 192 x 80 dots, backlight, contrast adjustment / Alphanumeric keyboard / 28 keys with backlight
• Control panel location: On both faces
• Trigger key: Yes (right side)
• Data storage:
  º Internal memory: Approx. 50,000 points
  º Plug-in memory device: USB flash memory (max. 32GB)
• Interface: Serial RS-232C, USB2.0 (Type A for USB flash memory)
  º Bluetooth modem (option)*10: Bluetooth Class 1.5, Operating range: up to 10m*11

General

• Guide light*12: Green LED (524nm) and Red LED (626nm), Operating range: 1.3 to 150m (4.3 to 490ft.)
• Laser-pointer*12: Coaxial red laser using EDM beam
• Levels:
  º Graphic: 6’ (Inner Circle)
  º Circular level (on tribrach): 10′ / 2mm
• Plummet:
  º Optical:
  * Magnification: 3x,
  * Minimum focus: 0.5m (19.7in.) from tribrach bottom
• Laser (option):
  º Red laser diode (635nm±10nm),
  º Beam accuracy: <[email protected], Class 2 laser product
• Dust and water protection / Operating temperature: IP66 (IEC 60529:2001) / -20 to +60ºC (-4 to +140ºF)
• Size with handle: 183(W)x 181(D)x 348(H)mm
• Instrument height: 192.5mm from tribrach mounting surface
• Weight with battery & tribrach: Approx. 5.3kg (11.7lb)

Power supply

• Battery: Li-ion rechargeable battery BDC70
• Operating time (20ºC)*13: BDC70: Approx. 28hours*14

Application program

• On board
  º REM Measurement
  º 3D Coordinate Measurement
  º Resection
  º Stake Out
  º Topography Observation
  º Offset Measurement
  º Missing Line Measurement
  º Intersection
  º Surface Area Calculation
  º Route Surveying
  º Point to Line
  *1 IEC60825-1:Ed.2.0:2007/ FDA CDRH 21 CFR Part 1040.10 and 11 *2 Average conditions: Slight haze, visibility about 20km (12 miles), sunny periods, weak