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GeoMax Zoom25 Total Station

The Zoom25 Reflectorless Total Station is a cost-effective solution for accurate and reliable surveying. It features an impressive range, reliable accuracy, fast and flexible data transfer, a rugged build, and powerful features – everything you need to boost your productivity in the field while keeping costs down. 


  • Accuracy options of 1-sec, 2-sec, and 5-sec 
  • Single-prism range up to 10,000 feet 
  • Reflectorless range up to 1,640 feet 
  • Internal memory up to 50,000 measurements 
  • Integrated Embedded CE onboard software 
  • Built-in Bluetooth connectivity 
  • IP55 protection class 
  • Battery Life up to 16 hours 

Reliable Surveying Performance

The Zoom25 Total Station is powered by GeoMax’s neXus5 EDM technology, an advanced reflectorless technology known for industry-leading accuracy and range of up to 1640 feet. The three choices for accuracy (1”, 2”, 5”) ensure that you’re getting exactly what you need, and the quadruple-axis compensation ensures that the instrument stays level and collimation errors are automatically corrected. This results in reliable accuracy in both horizontal and vertical angles. To make accurate centering quick and easy, the Zoom25 also has a bright, easy-to-see laser plummet. 

Intuitive, Advanced, Secure

Equipped with a dual face alphanumeric keypad and a large, illuminated, high-resolution black-and-white display, the Zoom25 benefits from an intuitive interface that’s easy to learn for any skill level. The onboard GeoMax Advanced software allows you to carry out surveying and coding, setting out, measuring area 3D and volume, creating reference lines and arcs, and more. Once you’re done with your tasks, you can easily transfer data by pairing the total station with your data collector via Bluetooth or transferring via USB. 

The Zoom25 also features the new “Powerlock” protection mechanism which prevents the use of the instrument by unauthorized individuals. Data is also protected by “SecureLock” Drives which can lock, hide, and encrypt your files to deter unauthorized data access. 

Rugged Build for Tough Environments

True to Geomax’s claim of creating instruments that “work when you do,” the Zoom25 is IP55 dust and waterproof so you can work worry-free even in changing weather conditions. Polar options also allow you to work at extreme temperatures (-4°F to 122°F). 

Configuration Options

The Zoom25 Manual Reflectorless Total Station is available in 3 options:

  • 6012493: Zoom25, 1",neXus 5 - 500m Reflectorless Total Station Package
  • 6012494: Zoom25, 2",neXus 5 - 500m Reflectorless Total Station Package
  • 6012495: Zoom25, 5",neXus 5 - 500m Reflectorless Total Station Package


  • Zoom25 Reflectorless Total Station
  • Tribrach
  • Hard carrying case
  • Pouch with tools
  • Protective cover
  • USB memory stick
  • Plumb bob
  • Li-ion rechargeable battery
  • Battery charger
  • Quick guide
  • User manual
  • 1-year manufacturer's warranty

Data sheet

Black & white
Operating system
Embedded CE
Angle measurement accuracy
1", 2", 5"
Quadruple axis
4.2 - 4.5 kg with battery & tribrach
1 year
Working Temperature
Internal Memory
50000 points
External Memory
USB stick
Dust / Water Protection
Accuracy with prism
2mm + 2ppm
Accuracy without prism
2mm + 2ppm
Single Prism Range
Reflectorless Range
Screen Size
Screen Resolution
280 x 160
Total Station Type