Topcon GTS 255 5 Second Total Station 710141111


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Overview for the Topcon GTS 255 5 Second Total Station

The Topcon GTS-255 5 Second Total Station provides surveyors with quick and accurate measurements over longer distances. With a single prism, it will allow measurements up to 7,500′. The readings can be taking in under a second. With a battery life of up to 40 hours when doing simple angle measurements, and 9 for more complex measuring, the rechargeable Ni-MH battery will provide reliability while in the field. It also has an UP-54 rating, so it will remain undamaged by water and dust on the work site.

If you are moving around the job site, and have to turn off the Topcon GTS-255 5 Second Total Station, when it is powered back up again, it will remember the previous position to continue surveying the area. If you are on rough ground, a dual-axis and the tilt sensor will adjust for it and ensure proper readings. It also has an optical plummet, which will also help ensure the accuracy.

Having built-in software and an internal memory of 24,000 points, the Topcon GTS-255 5 Second Total Station is up to the task of storing large amounts of crucial data. You can transfer the data to a computer, or other storage device by using a Topcon 9-pin cable. The built-in keyboard makes it simple to enter data directly into the system.


Features for the Topcon GTS 255 5 Second Total Station

  • Single prism measurement up to 7,545′
  • Pre-installed surveyor software
  • Accurate measurements
  • Fast measurements
  • IP-54 water and dust resistance
  • Rechargeable Ni-MH battery
  • Battery charge of 9 to 40 hours, based on use
  • Axis-compensation for stable readings
  • Optical plummet
  • Transfer data via 9-pin cable


Specifications for the Topcon GTS 255 5 Second Total Station


Weight 10.8 lbs (4.9 kg)
Dimensions 7.2 in x 6.8 in x 13.2 in (18.4 cm x 17.2 cm x 33.6 cm)
Protection Class IP54 (protected against dust and water splashes)
Internal Memory 24,000 points
Angle Measurement
Measuring Method/Reading System Absolute encoder
Detection Method Horizontal: double, Vertical:single
Minimum Reading 1-second/5-second
Accuracy 5-Second
Diameter of Circle 71 mm
Distance Measurement
Unit of Measure (distance display) m/ft
EDM Accuracy (Precision) ±(2mm + 2ppm x D)
Minimum Reading 900 m (3,000 ft)
Tilt Sensor/Compensator
Range ± 3
Type Automatic vertical and horizontal
Method Liquid surface reflective profile sensor reading
Setting Accuracy 1 arcsec
Power Source Rechargeable Ni-MH battery
Battery Life 9 hours
Battery Life Alert yes
Voltage 7.2V
Optical Plummet
Image Erect
Magnification 3x
Field of View 5 degrees
Focus Range 0.5 m to infinity
Plate/Tubular Bubble Vial 30 seconds per division/(2 mm)
Circular Bubble Vial 10 minutes per division/(2 mm)
Length of Tube 150 mm
Image Erect
Diameter of Objective Lens (Aperture) 1.77 in (45mm) EDM: 1.97 in (50 mm)
Magnification 30x
Field of View 1 degree 30 arcmin
Resolving Power 3.0 arcsec
Minimum Focus Distance 1.3 m (4.2 ft)
Reticle Illumination Provided
Display and Keypad
Type 2 screen, dot matrix graphic LCD display
Keys Alphanumeric
Backlight yes
Operating -4Fº~122ºF (-20ºC~50ºC)
Surveying and Construction yes
Mapping and GIS (geographic information systems) yes
Utilities yes
Environment Studies yes
Geomarking yes
Archaeology yes
Accident Reconstruction yes
Measurement Range (under fair weather conditions)
Single Prism 7,545 ft. (2,300 m)
Triple Prism 10,200 ft. (3,100 m)
Mini Prism 3,000 ft. (900 m)
Coordinate Measurement Point yes
Angle and Distance Stake Out yes
Stake Out Line yes
Offsets yes
Missing Line yes
Remote Elevation yes
Resection yes
Area Calculation yes
Measurement Time
Fine 1 mm: 1.2 seconds (Initial 4 seconds); 0.2 mm: 2.8 seconds (Initial 5 seconds)
Tracking 0.4 seconds (Initial 3 seconds)
Pin Port 9-pin (RS-232C)


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