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The iM-100 (Intelligent Measurement Total Station) incorporates all the features you need at a cost-efficient price. It will handle your most demanding survey layout or as-built project needs.

You get fast, accurate, and powerful EDM technology, best-in-class accuracy up to 5,000 m with a prism and up to 800 m in reflectorless mode, and a battery life of up to 28 hours. The iM-100 is ready to be your hardest worker out in the field.

  • Fast, accurate and powerful EDM
  • Integrated Blueooth® technology - no external antenna necessary for connectivity with the controller
  • Dual axis compensation
  • Waterproof IP66 rating
  • Up to 28 hours of battery life in Eco mode

SKU: Total Station

Category: Total Station, Sokkia Total Station

Product Details


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' (26m/1,000m), Minimum focus: 1.3m (4.3ft.) 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)
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 (Reflectorless)
0.3 to 800m (2,620ft.) / Under good conditions*4 : 1,000m (3,280ft.)
Measuring range (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.)
Measuring range (Mini prism)
CP01: 1.3 to 2,500m (4.3 to 8,200ft.), OR1PA: 1.3 to 500m (4.3 to 1,640ft.)
Measuring range (One prism)
1.3 to 5,000m (4.3 to 16,400ft.) / Under good conditions*4 : 6,000m (19,680ft.)
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)
Accuracy (Reflectorless)
(2 + 2ppm x D) mm
Accuracy (Reflective sheet)
(2 + 2ppm x D) mm
Accuracy (Prism)
(1.5 + 2ppm x D) mm
Measuring time (Fine)0.9s (initial 1.5s)
Measuring time (Rapid)
0.6s (initial 1.3s)
Measuring time (Tracking)
0.4s (initial 1.3s)
OS, Interface and Data management

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

Guide light
Green LED (524nm) and Red LED (626nm), Operating range: 1.3 to 150m (4.3 to 490ft.)
Coaxial red laser using EDM beam
Levels (Graphic)
6’ (Inner Circle)
Levels (Circular level on tribrach)
10' / 2mm
Plummet (Optical)Magnification: 3x, Minimum focus: 0.5m (19.7in.) from tribrach bottom
Plummet (Laser Options)
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
Instrument height
192.5mm from tribrach mounting surface
Weight with battery & tribrach
Approx. 5.3kg (11.7lb)
Power supply

Li-ion rechargeable battery BDC70
Operating time (20ºC)
BDC70: Approx. 28hours
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

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