Telescope
Magnification: 30 x
Free Objective aperture: 40 mm
Focusing: 1.7 m/5.6 ft to infinity
Field of view: 1°30’/1.66 gon.
2.7 m at 100 m
Compensator 
Level
Circular level sensitivity: 6’/2 mm
Electronic level resolution: 2"
Control unit
Display: VGA (640 x 480 pixels), color TFT, LED backlight, touch screen
Keyboard: 22 keys including 3 function keys and 12 alphanumeric keys, illumination
Angle Display: 360°’", 360° decimal, 400 gon, V %, H:V, V:H, elevation angle
Distance Display: m, ft int, ft us, ft int inch, ft us inch
Position: One face
Touch screen: Toughened film on glass
Instrument Ports
Instrument dimensions
Weight
Instrument: 4.8 - 5.5 kg
Tribrach: 0.8 kg
Internal battery: 0.2 kg
Recording
Laser plummet
Type: Visible red laser class 2
Location: In standing axis of instrument
Accuracy: Deviation from plumb line:
1.5 mm (2 sigma) at 1.5 m instrument height
Diameter of laser point: 2.5 mm at 1.5 m instrument height
Drives
Type: Endless horizontal and vertical drives
Motorisation: Maximum rotating speed: 50 gon/s
Power: External supply voltage: Nominal voltage 12.8 V DC, Range 11.5 V-13.5 V
Internal battery
Type: Li-Ion
Voltage: 7.4 V
Capacity: GEB221: 4.4 Ah
GEB222: 6.0 Ah
External battery
Type: NiMH
Voltage: 12 V
Capacity: GEB171: 9.0 Ah
Environmental specifications
Reflectors
Electronic Guide Light EGL
Working range: 5 m to 150 m (15 ft to 500 ft)
Position accuracy: 5 cm at 100 m (1.97" at 330 ft)
Automatic corrections
