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topcon Position: Home->Products->Total stations ->GPT-3002LN
company Beijing TianLifa science&trade Co.,Ltd
Categories Prisms
Update2012-05-29
Original RegionChina
topcon Position: Home->Products->Total stations ->GPT-3002LN
 ProductIntroduce : 
TOPCON proudly announces the new GPT-3000LN/GPT-3000N. The GPT-3000LN can measure virtually anything, of any size or material, within a normal working range of 350m. Universal Reflectorless Long Range Surface Independent Pulsed Precision TOPCON proudly announces the new GPT-3000LN/GPT-3000N. The GPT-3000LN can measure virtually anything, of any size or material, within a normal working range of 350m.
 GPT-3002LN/NGPT-3003LN/NGPT-3005LN/NGPT-3007LN/N
TELESCOPELength150mm
Objective Lens Dia.45mm (EDM 50mm)
Magnification30×
ImageErect
Field of View1°30
Resolving Power2.8”
Min. Focus Distance1.3m (4.9 ft.)
DISTANCE MEASUREMENT:
Prism Mode
Measuring Range
1 prism
3,000m
Condition 1: Sight haze with visibility about 20km (12.5 miles) moderate sunlight with light heat shimmer.
Measurement AccuracyFine: (3mm+2ppm)m.s.e.
Coarse: (7mm+2ppm)m.s.e.
Measuring TimeFine mode 1mm: Approx. 1.2 sec. (Initial 3 sec.)
0.2mm: Approx. 3.0 sec. (Initial 4 sec.)
Coarse mode 1mm/10mm
Approx. 0.5 sec. (Initial 2.5 sec.)
DISTANCE MEASUREMENT:
Non-Prism Mode (Diffusing Surface)
Measuring Range1.5m to 250m
Measuring AccuracyFine: 1.5 to 250m (10mm)m.s.e. 25m or more (5mm)m.s.e.
Coarse: (10mm)m.s.e.
Measuring TimeFine mode 1mm: Approx. 1.2 sec. (Initial 3 sec.)
0.2mm: Approx. 3.0 sec. (Initial 4 sec.)
Coarse mode 1mm/10mm:
Approx. 0.5 sec. (Initial 2.5 sec.)
DISTANCE MEASUREMENT:
Non-Prism Long Mode (Diffusing Surface)**
Measuring Range5m to 1,200m
Measuring accuracy
(<500m, Kodak Gray Card White Surface (90%))
Fine 1mm: (10mm+10ppm)m.s.e.
Coarse 5mm/10mm: (20mm+10ppm)m.s.e.
Tracking 10mm: (100mm)m.s.e.
Measuring TimeFine mode 1mm:
Approx. 1.5 to 6 sec. (Initial 6 to 8 sec.)
Coarse mode 5mm/10mm:
Approx. 1 to 3 sec. (Initial 6 to 8 sec.)
Tracking mode 10mm:
Approx. 0.4 sec. (Initial 4 to 7 sec.)
DISTANCE MEASUREMENTLeast Count in Measurement:
Prism Mode/Non-Prism Mode
Fine mode 1mm/0.2mm
Coarse mode 10mm/1mm
Least Count in Measurement:
Non-Prism Long Mode
Fine mode 1mm
Coarse mode 5mm/10mm
Tracking mode 10mm
Measurement Display12 digits: max. display 99999999.9999
Atmospheric Correction Range999.9ppm to +999.9ppm, in 0.1ppm increments
Atmospheric Correction Range Prism Constant Correction Range99.9mm to +99.9mm, in 0.1mm increments
ANGLE MEASUREMENTMethodAbsolute Reading
Detecting SystemH: 2 sides
V: 2 sides
H: 2 sides
V: 1 sides
H: 1 sides
V: 1 sides
Minimum Reading1”/5”
(0.2/1mgon)
5”/10”
(1/2mgon)
Accuracy*2”
(0.6mgon)
3”
(1mgon)
5”
(1.5mgon)
7”
(2mgon)
Measuring TimeLess than 0.3 sec.
Diameter of Circle71mm
DISPLAYDisplay UnitGraphics LCD 160×64 Dots with backlight
2 sides1 side
Keyboard

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