Sokkia Im52 Total Station 2″ Accuracy Reflectorless 500M Sokkia Im52 Total Station

Short Description:

  • ntegrated Construction and Survey Application Software
  • Fast, accurate, and powerful EDM
  • Reflectorless up to 500m
  • Prism range up to 4,000 m
  • Advanced angle accuracy (2″ or 5″)
  • Dual display
  • Instrument weights 11.24 lb

Product Detail

Product Tags

The iM-50 Series is the perfect entry-level site layout and survey tool offering reliability and flexibility without sacrificing cost or functionality.

The sleek design is built tough, with a water and dustproof IP66 rating, integrated Bluetooth® capability and an internal antenna, enabling you to deliver measurements cable-free to your data controller, streamlining your equipment weight and workflow.

The iM-50 is also armed with a top-line EDM, generous internal memory storage, and SDRbasic on-board software so you have everything you need to get the job done in the field.



Magnification / Resolving power
30x / 2.5"


Length : 171mm (6.7in.), Objective aperture : 45mm (1.8in.) (48mm(1.9in.) for EDM), Image: Erect, Field of view: 1°30'
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)
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

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 prisms:
CP01: 1.3 to 2500m (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 13,320ft)

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

Measuring time

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
Display / Keyboard
Graphic LCD, 192 x 80 dots, backlight : on/off (Selectable) / Alphanumeric keyboard / 28 keys with backlight
Control panel location
On both faces

Data storage

Internal memory: Approx. 50,000 points
Plug-in memory device: USB flash memory (max. 32GB)
Serial RS-232C, USB2.0 (Type A for USB flash memory)
Blue tooth modem (option)
Blue tooth Class 1.5, Operating range: up to 10m


Coaxial red laser using EDM beam
Graphic: 6’ (Inner Circle)
Circular level (on tribrach): 10' / 2mm
Optical: Optional
Laser: Standard
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)
Instrument height
192.5mm from tribrach mounting surface
Weight with battery & tribrach
Approx. 5.1kg (11.3lb)
Power supply
Li-ion rechargeable battery BDC46C
Operating time (20ºC)
Approx. 14hours

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