A magnetic multishot instrument for borehole surveying based on modern MEMS

The Compass25 is a magnetic multishot instrument for borehole surveying based on modern MEMS technology. It is optimized for tight spaces and easy setup. It is fully integrated in its own brass running gear, The system can be run in both single and multishot modes. Application guide: Diamond drilling / Coring and Blasting / Production

⚙️ Slim 25mm diameter ⚙️ Fully integrated

⚙️ Lower power bluetooth ⚙️ Slimhole magnetic technology

Dimensions

Diameter: 25 mm

Length: 1390 mm

Weight: 2.90 kg

Accuracy

Inclination: ± 0.15°

Azimuth: ± 0.35°

Gravity high side: ± 0.20°

Magnetic toolface: ± 0.35°

Magnetic field range: ± 100 000 nT

Magnetic field accuracy: ± 50 nT

Magnetic dip: ± 0.20°

Position accuracy: < 0.2% (2m/1000m)*

Performance

Temperature Range: -20°C to +80°C

Modes of operation: SingleShot, MultiShot, Orientation, Vertical

Battery time: 1 month normal use

Battery type: Lithium primary, user changeable

Communication: Bluetooth, Low energy

Power consumption: 36 mW stand by mode (180 mW survey mode)

Control

Software: Android App

Data management: SurveySafe cloud portal system

Recommended: Honeywell Scanpal Fully rugged handheld, (MIL-STD-810G)

* Depending on borehole profile and survey procedure