Total Station Topcon GPT-3000 series

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Review Total Station Topcon GPT-3000 series

Pulse Total Station GPT-3000series

Laser beam focused in non-prism mode! Hybrid range finder function mounted. Distance is measured pin point in the non-prism mode using a pulsed laser that minimizes beam spreading. In the prism mode, stable distance measurement is achieved by a wide laser beam even though the prism is not facing the object straightly. Stable and accurate pulsed laser. The pulsed laser measures a distance correctly even though objects are not very suitable for non-prism distance measurement such as a corner of a building and beyond a fence. The pulsed laser is a safe laser in Laser class 1 and measures 250m away. Versatile useful functions including laser pointer and point guide. A full range of useful functions including a laser pointer that can be turned on and off as necessary, a point guide that guides the prism man to collimation direction and embedded programs that allow data recording and setting by merely operating this station.

<Specification>

Model Name	GPT-3002	GPT-3003	GPT-3005	GPT-3007
TELESCOPE
Length	150mm
Objective Lens Dia	45mm (EDM 50mm)
Magnification	30 ×
Image	Erect
Field of View	1°30′
Resolving Power	2.8″
Min. Focus Distance	1.3m(4.29ft.)
DISTANCE MEASUREMENT
Measuring Range
Non-prism Mode	(Target: Kodak White)
In low light condition and without sun glare on target	1.5 to 250m(5 to 820 ft.)
Prism Mode
Condition 1* (1 prism)	3,000m(9,900 ft)
Measurement Accuracy
Non-prism Mode	(Diffusing Surface)
1.5 to 2.5m(5 to 82 ft.)	±(10mm)m.s.e.
25m or more (82 ft. or more)	±(5mm)m.s.e.
Prism Mode	±(3mm+2ppm × D)m.s.e. D:Measuring distance (mm)
Measuring Time
Fine measurement mode	1mm: Approx. 1.2sec. (Initial 3 sec.)
	0.2mm: Approx. 3sec. (Initial 4 sec.)
Coarse measurement mode	Approx. 0.5sec. (Initial 2.5 sec.)
Tracking measurement mode	Approx. 0.3sec. (Initial 2.5 sec.)
ANGLE MEASUREMENT
Method	Absolute Reading
Detecting System	H: 2 sides V: 2 side	H: 2 sides V: 1 side		H: 1 side V: 1 side
Minimum Reading	1″/5″	1″/5″	1″/5″	5″/10″
Accuracy	2″	3″	5″	7″
DISPLAY	Graphics LCD 160 x 64 Dots with Backlight
Display Unit	2sides	2sides	2sides	1side
OPERATING TIME
Including distance Measurement	4.2hours
Angle measurement only	45hours
DIMENSIONS	336(H) × 184(W) × 174(L)mm[13.2(H) × 7.2(W) × 6.9(L)in.]
Weight
Instrument(with battery)	5.1kg(11.2 lbs.)
Plastic Carrying Case	3.2kg (7.1 lbs.)
OTHER
Protection against water and dust	IP66 (with BT-52QA) (Based on the standard IEC60529)
Ambient Temperature Range	-20°C to +50°C(-4°F to +122°F)
point guide	Yes
Instrument height	176mm(6.93in)
Laser Class	Class 1 (for distance measurement) Class 2 (Laser Pointer on)