A magnetic multishot instrument for borehole surveying based on modern MEMS technology.

The Compass35 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, It includes aluminum extension rods for versatility. Application Guide: Diamond drilling / Coring

⚙️ 35 mm diameter ⚙️ Fully integrated

⚙️ Lower power Bluetooth ⚙️ Modern magnetic technology

Dimensions

Diameter: 35 mm

Length: 1460 mm

Weight: 6.20 kg

Accuracy

Inclination: ± 0.10°

Azimuth: ± 0.35°

Gravity high side: ± 0.15°

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