This document summarizes a pulse total station called the GPT-3000LN/N series. It can measure distances of up to 350m without a reflector and has five key features: easier operation with an alphanumeric keyboard, more precise measurements using pulse-laser technology, additional software applications for greater productivity, safer operation as a laser class 1, and longer measurement ranges of up to 1,200m. It also lists detailed specifications of the instrument such as measurement accuracy, range, and dimensions.

1. PULSE TOTAL STATION
GPT-3000LN/Nseries
Un
Universal Reflectorless
Refl
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.
5 Superior Features to change your field work dramatically.
MAKE IT EASIER Operation with alphanumeric keyboard to make easy control and
data entry.
BE MORE PRECISE Topcon’s pulse-laser technology “time-of-flight” system eliminates
”
measuring errors caused by the overlapping signals used in phase measuring systems.
DO MORE Software applications that boost your productivity. In addition
to the versatile applications, already included in the GPT-3000LN/GPT-3000N, new
Road software is added.
BE SAFER Distance measurement with Laser class 1 is safe to use
around populated areas or heavy traffic. (Visible Laser Pointer : Laser Class 2)
GO FURTHER Achieved reflectorless distance measurement upto
1,200m (to the Kodak Gray card : white surface) in the long range mode.
(GPT-3000N : 250m)

2. With ● New road function can automatically calculate a complicated spiral curve and a long distance
updated route only by inputting the starting point, terminal point and a curvilinear element.
functions
● Topcon realize easy to push alphanumeric keyboard interval.
SPECIFICATIONS
AT
GPT-3002LN/N GPT-3003LN/N GPT-3005LN/N GPT-3007LN/N GPT-3002LN/N GPT-3003LN/N GPT-3005LN/N GPT-3007LN/N
TELESCOPE Minimum Reading 1″/5″ 5″/10″
Length 150mm (0.2/1mgon) (1/2mgon)
Objective Lens Dia. 45mm (EDM 50mm) Accuracy* 2″(0.6mgon) 3″(1mgon) 5″(1.5mgon) 7″(2mgon)
( g ) ( g ) ( g ) ( g )
Magnification 30× Measuring Time Less than 0.3 sec.
Image Erect Diameter of Circle 71mm
Field of View 1°30′ DISPLAY
Resolving Power 2.8″ Display Unit Graphics LCD 160 × 64 Dots with backlight
Min. Focus Distance 1.3m (4.9 ft.) 2 sides 1 side
DISTANCE MEASUREMENT Keyboard Alpha-Numeric key
Prism Mode TILT CORRECTION (AUTOMATIC INDEX)
Measuring Range 1 prism 3,000m Tilt Sensor Dual axis Single axis
Condition 1: Sight haze with visibility about 20km (12.5 miles) moderate sunlight with light heat shimmer. Method Liquid type
Measurement Accuracy Fine: ±(3mm+2ppm)m.s.e. Compensating Range ±3′
Coarse: ±(7mm+2ppm)m.s.e. Correction Unit 1″ (0.1mgon)
Measuring Time Fine mode 1mm: Approx. 1.2 sec. (Initial 3 sec.) OTHERS
0.2mm: Approx. 3.0 sec. (Initial 4 sec.) The Number of Measuring Points Approx. 24,000 points
Coarse mode 1mm/10mm Approx. 0.5 sec. (Initial 2.5 sec.) Instrument Height 176mm (6.93 in.)
Non-Prism Mode (Diffusing Surface) Laser Class Class 1 (for distance measurement)
Measuring Range 1.5m to 250m Class 2 (Laser Pointer on)
Measuring Accuracy Fine: 1.5 to 250m ±(10mm)m.s.e. 25m or more ±(5mm)m.s.e. LEVEL SENSITIVITY
Coarse: ±(10mm)m.s.e. Circular Level 10″ /2mm
Measuring Time Fine mode 1mm: Approx. 1.2 sec. (Initial 3 sec.) Plate Level 30″ /2mm 40″ /2mm
0.2mm: Approx. 3.0 sec. (Initial 4 sec.) DIMENSION 336(H)×184(W)×172(L)mm/13.2(H)×7.2(W)×6.8(L)in.
Coarse mode 1mm/10mm: Approx. 0.5 sec. (Initial 2.5 sec.) WEIGHT
Non-Prism Long Mode (Diffusing Surface)** Instrument (with battery) 5.3kg(11.6 lbs.)
Measuring Range 5m to 1,200m Plastic Carrying Case 3.4kg (7.5 lbs.) (Weight of the carrying case may
Measuring accuracy Fine 1mm: ±(10mm+10ppm)m.s.e. be slightly different due to specific market.)
(<500m, Kodak Gray Card Coarse 5mm/10mm: ±(20mm+10ppm)m.s.e. DURABILITY
White Surface (90%)) Tracking 10mm: ±(100mm)m.s.e. Protection against water and dust IP66 (with BT-52QA) (Based on the standard IEC60529)
Measuring Time Fine mode 1mm: Approx. 1.5 to 6 sec. (Initial 6 to 8 sec.) Ambient Temperature Range –20°C to +50°C (–4°F to +122°F)
Coarse mode 5mm/10mm: Approx. 1 to 3 sec. (Initial 6 to 8 sec.) BATTERY BT-52Q
Tracking mode 10mm: Approx. 0.4 sec. (Initial 4 to 7 sec.) Output Voltage DC7.2V
Least Count in Measurement Capacity 2.7 Ah (Ni-MH)
Prism Mode/Non-Prism Mode Fine mode 1mm/0.2mm Maximum operating time (when fully recharged) at +20°C (+68°F)
Coarse mode 10mm/1mm Including distance measurement 3000LN: 3.5 hours 3000N: 4.2 hours
Non-Prism Long Mode Fine mode 1mm Angle measurement only 45 hours
Coarse mode 5mm/10mm Weight 0.3kg (0.7 lbs.)
Tracking mode 10mm BATTERY CHARGER BC-27
Measurement Display 12 digits: max. display 99999999.9999 Input Voltage AC 100~120V (BC-27)
Atmospheric Correction Range –999.9ppm to +999.9ppm, in 0.1ppm increments Frequency 50/60Hz
Prism Constant Correction Range –99.9mm to +99.9mm, in 0.1mm increments Recharging Time (at +20°C/+68°F) Battery BT-52QA: 1.8 hours
ANGLE MEASUREMENT Discharging Time (at +20°C/+68°F) Battery BT-52QA: 8 hours (in case of full charge)
Method Absolute Reading Operating Temperature +10°C to +40°C (+50°F to 104°F)
Detecting System H: 2 sides H: 2 sides H: 1 sides Weight
W 0.5kg (1.1 lbs.)
V: 2 sides V: 1 sides V: 1 sides
* Standard deviation based on DIN18723 ** GPT-3000LN only
• Designs and specifications herein are subject to change without notice.
In order to obtain the best results with this instrument,
Important please be sure to review all user instructions prior to operation. LASER RADIATION
A
DO NOT STARE INTO BEAM
Maximum output 1mW Wave length 690nm
CLASS 2 LASER PRODUCT
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