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Topcon GTS-239N Series

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Product Description

Topcon GTS-239N Series

The TOPCPN GTS-230N Series are the innovative successor to the best selling GTS-210/220 Series Total Stations. 

The GTS-210 Series with “Waterproof” design brought revolution to the surveying industry with features and durability. Now the new GTS-230N Series have upgraded their basic functions for distance and angle measurement in addition to maintaining superb durability against the environment.

The GTS-230N Series has a large 24 key keyboard as standard.

Features


Superior Basic Function for measuring distance & angle
The GTS-230N Series are provided with a distance measuring range of 3,000 m (9,900 ft) to a single prism which is superior in their class (GTS-239N: 2,000 m (6,600 ft) / 1prism), while maintaining high accuracy ± ( 2 mm + 2 ppmxD) m.s.e. (GTS-239N: ± (3 mm + 3 ppmxD) m.s.e.). As for distance measuring time, data updates at a high rate speed of 1.2 seconds in the fine measurement code. (0.7 seconds in the coarse mode, and 0.4 seconds in the tracking mode). This shorter distance measurement time will allow you to increase your efficiency and productivity in the field.

Increased Internal Memory for Data Storage
The GTS-230N Series has the internal memory to store up to 24,000 points for data collection and layout work. Due to this substantial memory capacity, you do not need to worry about memory storage. 

Dual-Axis Compensator
Dual-axis compensation is available for GTS-233N/235N/226N model. This dual-axis tilt sensor automatically corrects the vertical and horizontal angle compensation for miss-leveling error. 

24 key keyboard
The new GTS-230N has a 24 key Numeric keyboard build in on both sides. The 24 key keyboard makes it easier and quicker to key in codes and other alpha or numeric fields. 

Compact and Light Weight 
The GTS-230N Series compact and weight only 4.9 kg (10.8 pounds), (instrument body with on-board battery and handle grip). Due to this small size and weight you can easily transport to and around the job site.

Waterproof IP66!! 
The GTS-230N Series stands up to any wet weather condition that occurs in the field, giving the great benefit of not experiencing down time due to bad weather. The waterproof-ness (IP66) of the GTS-230N Series assures durable performance in the field under all conditions as an “All Weather” Total Station.

Easy to use 
The layout of keyboard and display are clear and ensure easy operation. The menu driver software is easy to learn, intuitive and use a complete range of surveying and setting out routines. The GTS-233N and GTS-225 have 2 side displays, the GTS-236N and the GTS-239N have the display and keyboard on one side.

Technical Specifications

GTS-233N 

Telescope

Length : 150 mm
Objective Lens diameter : 45 mm ( EDM : 50 mm ) 
Magnification(x) : 30 x 
Image : Erect 
Field of view : 1°30' 
Resolving power : 2.5” 
Minimum focusing distance : 1.3 m ( 4.9 ft. )

Distance measurement

  • Condition 1 :
    • 1 Prism : 3,000 m ( 9,900 ft. )
    • 3 Prisms : 4,000 m ( 13,200 ft. )
    • 9 Prisms : 5,000 m ( 16,400 ft. )
  • Condition 2 :
    • 1 Prism : 3,500 m ( 11,500 ft. )
    • 3 Prisms : 4,700 m ( 15,400 ft. )
    • 9 Prisms : 5,800 m ( 19,000 ft. )

Condition 1 : Slight haze with visibility about 20 km ( 12.5 miles ) moderate sunlight with light heat shimmer
Condition 2 : No haze with visibility over 40 km (25 miles ), overcast with no heat shimmer

Accuracy : ± ( 2 mm + 2 ppm x D*) m.s.e. 
Least count in measurements :

  • Fine mode : 1 mm ( 0.005 ft. ) / 0.2 mm ( 0.001 ft. )
  • Coarse mode : 10 mm ( 0.02 ft. ) / 1 mm ( 0.005 ft. )
  • Tracking mode : 10 mm ( 0.02 ft. )

*D : Measuring distance ( mm )

Measurement display : 11 digits : max. display 9999999.9999 
Measuring time :

  • Fine mode :
    • 1 mm : 1.2 sec. ( Initial 4 sec. )
    • 0.2 mm : 2.8 sec. ( Initial 5 sec. )
  • Coarse mode : 0.7 sec. ( Initial 3 sec. )
  • Tracking mode : 0.4 sec. ( Initial 3 sec. ) (The initial time will be different by a condition and setting EDM off time.)

Atmospheric : -999.9 to +999.9 ppm ( By 0.1 ppm ) 
Prism constant correction range : -99.9 to + 99.9 mm ( By 0.1 mm )

Angle measurement

Method : absolute reading 
Detecting system : H:2 sides V:1 side 
Minimum reading : 5”/1” ( 1 mgon/0.2 mgon ) 
Measuring time : less than 0.3 sec. 
Diameter of circle : 71 mm

Display

Display unit : graphics LCD 160 x 64 Dots with backlight; 2 sides 
Keyboard : alpha – numeric key

Tilt correction ( automatic index )

Tilt sensor : dual axis 
Method : liquid type 
Compensating range : ±3' 
Correction unit : 1” (0.1 mgon)

Level sensitivity

Circular level : 10'/2mm 
Plate level : 30”/2 mm

Optical plummet telescope

Magnification : 3x 
Focusing range : 0.5 to infinity 
Image : erect 
Field of view : 5°

Durability

Water protection : IP66 ( with BT-52QA) 
Ambient temperature : -20°C to +50°C ( -4°F to +122°F )

Others

Dimensions : 343 (H) x 184 (W) x 150 (D) mm 
Instrument height : 176 mm 
Weight instrument ( with battery ) : 4.9 kg

Battery BT-52QA

Output voltage : 7.2 V 
Capacity : 2.7 AH ( Ni-MH) 
Maximum operating time at +20°C ( including distance measurement ): 10 hours ( 12,000 points ) 
Angle measurement only : 45 hours 
Weight : 0.3 kg

Battery charger BC-27

Input voltage : 100 n 240 V 
Frequency : 50/60 Hz 
Recharging time ( at +20°C ) : 1.8 hours 
Operating temperature : +10°C to +40°C 
Weight : 0.5 kg

Designs and specifications herein are subject to change without notice.

Technical specifications for GTS-235N, GTS-236N, GTS-239N also available, please contact us for further information.


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