Total Station TOPCON GPT-3000LN Series
ManufacturerTOPCON(View more products from this manufacturer)
ModelGPT-3000LN Series
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Telescope
Length:150mm
Objective Lens Diameter: 45mm (EDM 50mm)
Magnification: 30x
Image: Erect
Field of View: 1°30
Resolving Power: 2.8"
Min.Focus Distance: 1.3m (4.9ft)
Distance Measurement
Prism Mode
Measuring Range (1 prism): 3,000m
Condition 1: Slight haze with visibility about 20km (12.5miles) moderate sunlight with light heat shimmer.
Measurement accuracy: Fine : +/-(3mm+2ppm)m.s.e.
Coarse: +/-(7mm+2ppm)m.s.e.
Non Prism Mode (Diffusing Surface)
Measuring Range: 1.5m to 250m
Measuring Accuracy: Fine Mode :+/-(5mm)m.s.e. (25m or more)
+/-(10mm)m.s.e. (1.5-25m)
Coarse : +/-(10mm)m.s.e.
Measuring Time:Fine 1mm mode : Approx 1.2sec (Initial 3sec)
Fine 0.2mm mode: Approx 3.0sec (Initial 4sec)
Coarse mode 1mm/10mm : Approx 0.5sec (initial 2.5sec)
Non Prism Long Mode (Diffusing Surface)
Measuring Range: 5m to 1,200m
Measuring Accuracy: Fine 1mm mode : +/-(10mm+10ppm)m.s.e.
Coarse 5/10mm : +/-(20mm+10ppm)m.s.e.
Tracking (10mm)mode : +/-(100mm)m.s.e.
Measuring Time: Fine 1mm mode : Approx 1.5 to 6sec (Initial 6-8sec)
Coarse mode (5/10mm): Approx 1 to 3 sec (Initial 6 to 8sec)
Tracking (10mm)mode : Approx 0.4sec (Initial 4 to 7 sec)
Least Count in Measurement
Prism Mode / Non Prism Mode: Fine Mode 1mm / 0.2mm
Coarse Mode : 10mm/1mm
Non Prism Long Mode: Fine Mode : 1mm
Coarse Mode : 5mm/10mm
Tracking Mode : 10mm
Others
Measurement Display: 12digits : max display 99999999.9999
Atmospheric Correction Range: -999.9ppm to +999.9ppm, in 0.1ppm increments
Prism Constant Correction Range: -99.9mm to +99.9mm, in 0.1mm increments
Angle Measurement
Method:Absolute Reading
Detecting System:H: 2sides ; V: 2sides (Model GPT-3002LN/N)
H: 2sides ; V: 1sides (Model GPT-3003LN/N)
H: 2sides ; V: 1sides (Model GPT-3005LN/N)
H: 1sides ; V: 1sides (Model GPT-3007LN/N)
Minimum Reading: 1"/5" (0.2/1mgon)(Model GPT-3002LN/N; GPT-3003LN/N; GPT-3005LN/N)
5"/10"(1/2mgon) (GPT-3007LN/N)
Accuracy: 2" (0.6mgon) (Model GPT-3002LN/N)
3" (1mgon) (Model GPT-3003LN/N)
5" (1.5mgon) (Model GPT-3005LN/N)
7" (2mgon) (Model GPT-3007LN/N)
Measuring Time:Less than 0.3sec
Diameter of Circle:71mm
Display
Display Unit:Graphics LCD 160x64 dots with backlight
2sides(Model GPT-3002LN/N; GPT-3003LN/N; GPT-3005LN/N)
1side (GPT-3007LN/N)
Keyboard:Alpha-Numeric Key
Tilt Correction (Automatic Index)
Tilt Sensor:Dual Axis(Model GPT-3002LN/N; GPT-3003LN/N; GPT-3005LN/N)
Single Axis (GPT-3007LN/N)
Method:Liquid type
Compensating Range: +/-3
Correction Unit:1" (0.1mgon)
Others:Others
Data Recording (Memory):Approx 24,000 points
Instruments Heights:176mm (6.93in)
Laser Class: Class 1 (for distance measurement)
Class 2 (Laser Pointer : On/Off Switchable)
Level Sensitivity
Circular Level:10"/2mm
Plate Level:20"/2mm(Model GPT-3002LN/N; GPT-3003LN/N; GPT-3005LN/N)
40"/2mm (Model GPT-3007LN/N)
Size / Weight
Dimention: 336(H)x184(W)x172(L)mm
Weight: Instrument (with battery) : 5.3kgs
Durability
Water & Dustproof:IP66 (incl BT-52QA battery) (Based on the standard IEC60529)
Ambient Temperature Range:-20oC to +50oC
Battery: BT-52Q
Output Voltage:DC7.2V
Capacity:2.7Ah (Ni-MH)
Maximum Operating time(when fully recharged) at +20oC
Distance+Angle Measurement:GPT-3000LN series : 3.5hours
GPT-3000N series : 4.2hours
Angle Measurement Only:45hours
Weight:0.3kg
Battery Charger BC-27
Input Voltage:AC100-220V
Frequency:50/60Hz
Recharging time (at +20oC):1.8hours (for BT-52QA battery)
Discharging Time (at +20oC): 8hours (for BT-52QA battery fully charged)
Operating Temperature: +10°C to +40°C
Weight:0.5kg
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