Total Station Topcon GM-55

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Topcon GM-55 5 Second Reflectorless Total Station w/ Dual-Display, Laser Plummet & Bluetooth

The Topcon GM-50 Series Reflectorless Total Station is a versatile entry-level surveying equipment that offers precise and quick angle and distance measurements. Equipped with phase shift technology, the GM-50 total has a reflectorless range of up to 1,640 feet and 13,320 feet using a single prism. In addition, it offers a reflectorless accuracy of 2 + 2ppm, making it ideal for various construction and surveying applications. 

Featuring a coaxial red laser pointer, this Topcon reflectorless total station comes with a dual-axis compensation with a working range of ±6 degrees. It also integrates the exclusive Independent Angle Calibration System (IACS) to further increase measurement stability. The GM-50 offers 30x magnification and a 2.5-second resolving power. For data storage and transfer, this total station has a USB 2.0 port that supports up to 32GB standard thumb drives.

With an IP66 rating, this Topcon total station is protected from dust and powerful water jets. It comes with a magnesium-alloy housing for durability and stable angle accuracy. The GM-50 also boasts a graphical backlit LCD display with a 28-key alphanumeric keyboard that is easy to use and navigate. A great companion for a whole-day job, the Topcon GM-5 uses a Li-ion rechargeable battery that powers up the device up to 14 hours.


Configuration Options


The Topcon GM-50 Series Reflectorless Total Station offers four models with different angular accuracies, display, plummet type, and connectivity. Please select your preference from the menus above.


  • – Topcon GM-52 2 Second Reflectorless Total Station w/ Dual-Display, Laser Plummet & Bluetooth
  • – Topcon GM-52 2 Second Reflectorless Total Station w/ Dual-Display & Optical Plummet
  • – Topcon GM-55 5 Second Reflectorless Total Station w/ Single-Display, Laser Plummet & Bluetooth
  • – Topcon GM-55 5 Second Reflectorless Total Station w/ Single-Display & Optical Plummet
Weight11.3 lbs (5.13 kg)Dimensions7.2″ W x 7.13″ D x 13.7″ H (GM-52); 7.2″ W x 6.85″ D x 13.7″ H (GM-55)Warranty2-yearProtection ClassIP66 dustproof and water jet resistantTripod Thread5/8-11Auto Shut OffNoInternal Memory50,000 pointsSoftwareOn-boardTribrachNoAuto-Tracking SpeedNoGuide LightYes 
Angle Measurement
Measuring Method/Reading SystemNoDetection MethodNoMinimum ReadingNoAccuracy2 second (1023562-02, 1023562-04); 5 second (1023562-01, 1023562-03)Diameter of CircleNoDisplay MethodNo 
Distance Measurement
Unit of Measure (distance display)m/ft/inEDM Accuracy (Precision)±(2 + 2ppm x D) mm (reflectorless); (2 + 2ppm x D) mm (reflective sheet); (1.5 + 2ppm x D) mm (single prism)Minimum ReadingUp to 1,640 ft. (500 m) 
Tilt Sensor/Compensator
Range±6 degreesTypeDual-axis liquid tilt sensorMethodNoSetting AccuracyNo 
Power SourceRechargeable Li-ion batteries, BDC46CBattery LifeUp to 14 hoursBattery Life AlertYesVoltage7.2-volt 
Optical Plummet
ImageN/AMagnification3xField of ViewN/AFocus Range19.7 inches (0.5 m) from tribrach bottom 
Plate/Tubular Bubble VialN/ACircular Bubble Vial10′ /2mmElectronic LevelN/A 
Length of Tube6.7 in (170 mm)ImageErectDiameter of Objective Lens (Aperture)1.8 in (48 mm EDM)Magnification30xField of View1°30’Resolving Power2.5″Minimum Focus Distance4.3 ft. (1.3 m)Ratio of Stadia LinesNoSight Distance Precision/Focus RangeNoReticle Illumination5 brightness levelsReflectorlessYesQuick Sights (Rough Sights)No 
Display and Keypad
TypeLCD displaySidesSingle (1023562-01, 1023562-03); Dual (1023562-02, 1023562-04)KeysAlphanumericTouchscreenN/ABacklightYesPixels192 x 80 pixels 
Operating-4 ºF to 140 ºF (-20 ºC to 60 ºC)StorageN/A 
Surveying and ConstructionYesMapping and GIS (geographic information systems)YesUtilitiesYesEnvironment StudiesYesGeomarkingYesArchaeologyYesAccident ReconstructionYes 
Measurement Range (under fair weather conditions)
Single PrismUp to 13,320 ft. (4,000 m)Triple PrismN/ANo PrismN/AMini PrismUp to 1,640 ft. (500 m)Reflective TapeN/AReflector SheetUp to 1,640 ft. (500 m)Cat Eye/Flat PrismN/A360 Degree PrismN/A 
Coordinate Measurement PointYesAngle and Distance Stake OutYesStake Out LineYesOffsetsYesMissing LineYesRemote ElevationYesResectionYesArea CalculationYesReal-Time Video ImagingNo 
Measurement Time
Fine0.9 secondRapid0.6 secondTracking0.4 second 
Laser Plummet
Accuracy<=1.6 inch at 4.3 feetClassClass 2Wavelength635 nm ± 10 nm 
Laser Pointer
ClassCoaxial red laser using EDM beamAccuracyN/AReflectorless rangeN/AWavelengthN/ARange to reflective tapeN/ARange to glass prismN/A 
BluetoothYes (1023562-02, 1023562-01)USBN/APin PortRS-232COperating SystemLinux 
RC-PR5 Remote Control System
Operating RangeN/AMeasuring TimeN/A 
One AP PrismN/AReflective SheetN/A360 Degree PrismN/AMini Prism


Untuk informasi harga terbaru, harga qty dan stok produk, silahkah hubungi Sales Support kami melalui Telp atau WhatsApp :

Office : 021-25685457

Riani : 087788009411

Adden : 082191954315

Tommy : 087703661122

Topcon GM-55
  • Choice of accuracy
  • Optional optical or laser plummet
  • Versatile entry-level tool
  • Quickly spot and has a phase shift technology
  • Reflectorless range up to 1,640 feet
  • Range with single prism up to 13,320 feet
  • Reflectorless accuracy: 2 + 2ppm x D
  • Coaxial red laser pointer
  • Dual-axis compensation
  • Working range of ±6 degrees
  • Integrates the exclusive Independent Angle Calibration System (IACS)
  • Magnification: 30x
  • Resolving power: 2.5″
  • USB 2.0  port that supports up to 32GB storage
  • Tangent lock securely holds angle in place
  • IP66 dustproof and waterjet protection
  • Magnesium-alloy housing
  • Graphical backlit LCD display
  • 28-key alphanumeric keyboard
  • Uses a Li-ion rechargeable battery
  • Up to 14 hours battery life

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