Model
|
GM-52
|
GM-55
|
Telescope
|
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
|
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
|
Reflectorless mode : Class 3R / Prism/sheet mode : Class 1
|
Measuring Range
(under average
conditions)
|
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 prism
|
1.3 to 500m (4.3 to 1,640ft.)
|
One prism
|
1.3 to 4,000m (4.3 to 13,320ft)
|
Minimum
Display
|
Fine / Coarse : 0.0001m (0.001ft. / 1/8 in.) /
0.001m (0.005ft. / 1/8 in.) (selectable)
Coarse : 0.001m (0.005ft. / 1/8 in.) / 0.01m (0.02ft. / 1 in.)
(selectable) Tracking / Road : 0.01m (0.02ft. / 1 in.)
|
Accuracy
(ISO 17123-4 : 2001)
(D=measuring
distance in mm)
|
Reflectorless
|
(2 + 2ppm x D) mm*6
|
Reflective Sheet
|
(2 + 2ppm x D) mm
|
Prism*7
|
(1.5 + 2ppm x D) mm
|
Measuring Time
|
Fine
|
0.9s (initial 1.5s)
|
Coarse
|
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)
|
General
|
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 (635 nm ± 10 nm),
Beam accuracy : <=1.0 mm @ 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)*9
|
Approx. 14hours*10
|
Application Program
|
On Board
|
-
REM Measurement •3D Coordinate Measurement
-
Resection •Stake Out •Topography Observation
-
Offset Measurement •Missing Line Measurement
-
Surface Area Calculation •Route Surveying •Point to Line
|