SOKKIA iM50 Series Total Station

SOKKIA iM50 Series Total Station

SOKKIA iM50 Series Total Station is the best entry-level survey tool that offers flexibility and reliability without giving up its price or functionality.

Its elegant design is built rugged , with IP66 water and dustproof rating. The system is combined with Bluetooth and an internal antenna, that enables users to deliver all the measurements cable-free to the data controller.

This iM-50 series is provided with a top line EDM, copious internal memory storage and SDRbasic the on-board software which the users need to get there job done in the field.

Key Features:

  • Construction and Survey Application Software
  • Fast & Accurate & Powerful Measuring Distance Feature
  • 500m Long Range Reflector-less Measurement
  • Rugged & Waterproof Design
  • Reliable Large Volume Internal Memory

Standard Package Components:

  1. Main unit
  2. Battery (BDC46C)
  3. Battery charger (CDC 68 A)
  4. Power Cable
  5. Lens cap
  6. Lens hood
  7. Tool pouch
  8. Precision Screwdriver
  9. Lens brush
  10. Hexagonal wrench ×2
  11. Cleaning cloth
  12. Quick Manual
  13. Laser caution sign-board
  14. Carrying case
  15. Carrying strap

Made in Japan

SOKKIA iM50 Series Total Station Specifications:

Model iM-52 iM-55
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 (selectable) 1″/5″ (0.0002 / 0.001gon, 0.005 / 0.02mil)
Accuracy (ISO 17123-3:2001) 2″ 5″
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)

Reflectorless*3 0.3 to 500m (1,640ft.)
Reflective sheet*4*5 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 CP01: 1.3 to 2,500m (4.3 to 8,200ft.), OR1PA: 1.3 to 500m (4.3 to 1,640ft.)
One prism 1.3 to 4,000m (4.3 to 13,120ft.)

Minimum Display

Fine / Rapid: 0.0001m (0.001ft. / 1/16 in.) / 0.001m (0.005ft. / 1/8 in.)  (selectable) Tracking / Road: 0.001m (0.005ft. / 1/8 in.) / 0.01m (0.02ft. / 1/2 in.) (selectable)

(ISO 17123-4:2001)

(D=measuring distance in


Reflectorless*3 (2 + 2ppm x D) mm*6
Reflective sheet*4*5 (2 + 2ppm x D) mm
Prism*7 (1.5 + 2ppm x D) mm
Measuring time*8 Fine 0.9s (initial 1.5s)
Rapid 0.6s (initial 1.3s)
Tracking 0.4s (initial 1.3s)
OS, Interface and Data management
Operating system Linux
Display / Keyboard Graphic LCD, 192 x 80 dots, backlight : on/off (Selectable) /  Alphanumeric keyboard / 28 keys with backlight
Control panel location On both faces On single face
Data storage Internal memory Approx. 50,000 points
Plug-in memory device USB flash memory (max. 32GB)
Interface Serial RS-232C, USB2.0 (Type A for USB flash memory)
Bluetooth modem (option)*9 Bluetooth Class 1.5, Operating range: up to 10m*10
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
Laser (option) Red laser diode (635nm±10nm),

Beam accuracy: <=1.0mm@1.3m, 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 (On both faces) 183(W)x 174(D)x 348(H)mm (On single face)
Instrument height 192.5mm from tribrach mounting surface
Weight with battery & tribrach Approx. 5.1kg (11.3lb)
Power supply
Battery Li-ion rechargeable battery BDC46C
Operating time (20ºC)*11 Approx. 14hours*12
Application program
On board
  • REM Measurement • 3D Coordinate Measurement
  • Resection • Stake Out  • Topography Observation
  • Offset Measurement • Missing Line Measurement • Intersection
  • Surface Area Calculation • Route Surveying • Point to Line

SOKKIA iM50 Series Total Station

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