Rodded Boretrak®
Product number: 7001
Non-magnetic Borehole Deviation System
Incorrect setting of drill angles, borehole wander and drilling to incorrect depths, results in service problems particularly in the mining, quarrying and construction industries. MDL have designed the Boretrak® non-magnetic borehole deviation system as a means of auditing the results of drilling activity, quickly and accurately.

The Rodded Boretrak® is a unique, cost effective, portable non-magnetic, non-gyro borehole deviation surveying system. As the system is not affected by magnetic influences, flooded holes or casing, the Rodded Boretrak® can be used during or immediately after drilling to assess deviation.
The system features lightweight alignment rods that are continuously connected by a single axis hinge system used to lower the measurement head down a borehole. The sensor head calculates the borehole's deviation from the vertical at fixed intervals using inclinometer sensors located within the measurement head. The output from these sensors is compiled on a data logger in the field and then transferred to a PC for post processing.

MDL's Boretrak® 3D software allows the user to process data and produce printed and/or plotted results, typically, within 30 minutes of observation. Data can also be easily integrated into a wide range of software packages including MDL's comprehensive rock profiling package, Face 3D where it can also be merged with a face scan for a comprehensive and accurate burden analysis of the complete blast.

Downhole and uphole surveys can be carried with this system and the unique design allows for use in areas of magnetic influence.
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Rodded Boretrak Features
Technical Specification
- Weight of probe: 2.5Kg/ 5.51lbs
- Dimensions of probe: 660mm L x 37mm Dia (25.98in L x 1.46in Dia)
- Weight of rods: 0.7Kg/ 1.54lbs
- Dimensions of rods: 25mm Dia x 1 m or 2m L (0.98in Dia x 39.37in or 78.74in)
- Weight of CDU: 800g/ 28.2 oz
- Dimensions of CDU: 210mm x 102mm x 42mm/ 8.2in x 4.02in x 1.61in
- Power 3 x ‘D’ Cells
Sensor: Dual Axis
- Inclinometer: Range: +/- 30° (from vertical)
- Accuracy: 0.2°
- Resolution: 0.01°
CDU
- Display: 128mm x 64mm / 5.04in x 2.52in
- Memory: 64Kb
- Data download: RS232, 9600 baud rate
- Power: 3 x ‘C’ Cells
- Rechargeable
Environmental
- Probe: depth rated to 100m/ 329ft (flooded hole)
- CDU: IP66
- Operating temperature: -10°C to +45°C
- Storage temperature: -20°C to +50°C
Rodded Boretrak Applications
- Cast Blasting
- Exploration Drilling
- Dam Pinning
- Piling
- Foundations
- Engineering Works
- Quarry Blasting
- Underground mining
- Pre-Split Blasting
Rodded Boretrak Benefits
- Improved technology therefore improved productivity
- Accurate borehole deviation therefore more accurate Burden calculations
- More efficient blasting
- Better fragmentation
- Reduced cost of explosives
- Light and easy portable
- Simple to use
- Very little training required









