DeviGyro Overshot Xpress (OX)

The DeviGyro Overshot Xpress (OX) is the ultimate survey instrument for diamond drilling

Enabling high-speed (up to 100m/min) surveys whilst pulling core tube, the OX maximises bit on bottom time whilst delivering on accuracy.


New! Devico releases Automatic Depth Estimation (ADE) mode, enabling continuous surveying up to 500m without a depth counter


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``Comprehensive surveying without interrupting the drilling process, driving overall production up and the cost per meter down for our clients.``

Geoff Muir, Australian Underground Drilling

I have used a majority of tools on the market and I can easily say this is the most up-to-date and user friendly at the moment. My Drillers have only given positive feedback.'

Dale Mora, Drilling Supervisor


  • Continuous surveying: 10 samples per second

A typical 350m survey (In and OUT) takes 15-17 minutes, recording data every 100mm and reporting in 3m survey intervals.


  • Interchangeable centralisers (NQ-PQ)
  • Battery: 25 hours continuous use. No charging required
  • Android operating software features built-in quality assurance processor
  • Handheld: Android 7.1 or newer

Technical Specifications

  • Survey speed: Up to 100m/min (recommended 60-80m/min)
  • Inclination accuracy: ±0.1°
  • Direction accuracy: ±0.5°
  • Tool face accuracy: ±0.2°
  • On board memory: 6hrs 40min of surveying
  • Temperature: -15° to +75°

The complete system - diamond drilling

The complete directional survey system combines the DeviGyro Overshot Xpress, DeviAligner and DeviCloud to deliver absolute precision from start to finish.


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Frequently Asked Questions
Product Brochure

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Downhole Surveys are the exclusive Australian distributors for Devico products.

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Watch DeviGyro Overshot Xpress: The complete directional survey system for diamond drilling

Ready to achieve absolute precision on your next drill campaign?