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Topcon GT-505 Robotic Total Station

The Topcon GT-505 is a high-performance, future-proof robotic total station which is 30% smaller than any other Topcon total station on the market while increasing functionality.

Featuring UltraSonic Direct Drive Motors making the GT-505 more powerful, accurate, and reliable while allowing the size of the unit to be made more compact and portable. 
The GT-505 features a large and bright colour touch screen with a user-friendly interface that utilises simple set-up routines and hotkeys. This makes using the GT-505 simple to pick up and learn for users with a range of experience levels.  

ESS Code: SRTS.116

  • UltraSonic Direct Drive motors
  • 30% smaller and lighter
  • Bright 4.3inch colour, touchscreen display
  • 24 key, backlit keyboard
  • IP65 environmental protection

Technical Specifications of the Topcon GT-505 Robotic Total Station
Minimum display - 1" (0.0002gon/0.005mil) 5" (0.0010gon/0.02mil) (selectable)
Angle Accuracy - 5" (0.0015gon/0.025mil) (ISO 1723-3:2001)
Tilt angle compensation 
Type - Liquid 2-axis tilt sensor
Correction unit - 1 second
Minimum resolution - 1 second
Distance measurement
Measuring method - Coaxial phase shift measuring system 
Signal source - Red laser diode 690 nm class 3R
Measuring time
Fine measurement - 1.5 sec + every 0.9 sec.
Rapid measurement - 1.3 + every 0.6 sec
Max revolving speed (turning) - 120 degrees per second 
Max auto tracking speed - 18 degrees per second 
Memory and data
Internal memory - 1GB 
External memory - expandable up to 32GB via USB flash drive 

Technical Document

Topcon GT-505 Robotic Total Station

Technical Document

Topcon GT-505 Robotic Total Station


Topcon GT-505 Robotic Total STation
Topcon Detail Pole
ATP1 360 Prism
Magnet Field Software
GT Battery Charger
FC Charger
FC Clamp
Pole Clamp for FC Clamp

Lead time: 2 days

Delivery and Collection charges will be displayed in the basket at checkout stage and will vary depending upon your location and transport method applied.

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Topcon GT-505 Robotic Total Station

hire Price

ESS Code: SRTS.116
£275.00 Weekly

Rates exclude VAT and Damage Waiver

£275.00 Ex. VAT


Minimum hire period: 5 days

Lead time: 2 days

Please note you will be charged for the minimum hire period if your order is for a period less than this. A web account linked to your ESS Credit account is required to hire online.

How to use Guide

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Key Product Features

  • 30% smaller and lighter

  • UltraSonic Direct Drive motors

  • Bright 4.3inch colour, touchscreen display

  • 24 key, backlit keyboard

Open your ESS Account Today

Opening an account with ESS provides numerous benefits. An ESS Credit Account linked to your Web Account is required to hire products online. Contact us for further details, alternatively sign in or apply for an account today!

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