Topcon GPT-7500 Series, Instruction Manual

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17 SPECIFICATIONS
Accuracy(Standard deviation based on DIN 18723)
GTS-751/GPT-7501 : 1"(0.3mgon)
GTS-752/GPT-7502 : 2"(0.6mgon)
GTS-753/GPT-7503 : 3"(1.0mgon)
GTS-755/GPT-7505 : 5"(1.5mgon)
Diameter of circle : 71 mm
Tilt Correction
Type : Automatic vertical and Horizontal index
Method : Liquid type
Compensating Range : ±6'
Correction unit : 1"(0.1mgon)
Computer unit
Microprocessor : Intel PXA255
Processor speed : 400MHz
Operating system : Microsoft Windows CE.NET 4.2
Memory : 64MB / RAM
2MB Flash ROM
128MB SD Card
Display
LCD : 3.5 inch TFT color LCD
(240x320 dots)
Touch panel : Electrical analog resistor thin film system
Interface
Based on RS-232C (6 pin)
Based on CompactFlash (Type I/II)*
*CompactFlash is a trademark of SanDisk corporation.
USB : Type miniB Rev.1.1(Active Sync)
Type A Rev.1.1(USB Memory)
Others
Instrument height : 196mm (7.7in) Base unit detachable
(Height from the tribrach dish to the center of
telescope)
Level sensitivity
Circular level : 10'/2mm
Plate level : 30"/2 mm
Optical Plummet Telescope
Magnification : 3
×
Focusing range : 0.5m to infinity
Image : Erect
Field of view : 4°
Laser pointer (GPT-7500)
Light source : LD (Visible laser)
Wave length : 639nm
Out put : 1mW maximum
Laser class : Class 2(IEC Publication 825)
: Class II(FDA/BHR 21 CFR 1040)
Dimension (With tribrach)
GTS-751/752/753, GPT-7501/7502/7503 : 377 (H)
×
223 (W)
×
201 (L) mm
(14.8 (H)
×
8.7 (W)
×
7.9 (L) in)
GTS-755, GPT-7505 : 377 (H)
×
223 (W)
×
185 (L) mm
(14.8 (H)
×
8.7 (W)
×
7.2 (L) in)
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