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 (CDC68A)
  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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