Aoshi Control-NS-431-Portable Mine Intrinsically Safe North Finder Inertial Navigation System

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Specifications

Azimuth Coverage: 0 – 360 deg
Azimuth Angle Error: -0.5 – 0.5 deg
Inclination Range: -90 – 90 deg
Inclination Error: -0.1 – 0.1 deg
Initial North Seeking Time: 2 min
Endurance: 4 h
Operating Voltage: 7.4 VDC
Operating Current: ≤1.2 A
Explosion Proof Type: /
Environment Temperature: 0～+40 °
Mean Relative Humidity: ≤95%(+25℃) /
Atmospheric Pressure: 86～106 kPa
Storage Temperature: -40～+60 ℃
Volume: 168×118×119.5 mm
Weight: <2.6 Kg
Enclosure Protection Class: / IP54
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Features


  • Portable and Intrinsically Safe Design – Certified for use in mining and other hazardous environments.

  • High Precision Measurement – Measures azimuth and inclination with an error of less than 0.5°.

  • True North Orientation – Accurately determines the true north angle of the carrier at rest.

  • Autonomous Orientation Capability – Operates independently without reliance on external magnetic or GPS inputs.

  • Rapid Measurement – Enables quick and reliable directional readings in the field.

  • Rugged Construction – Designed for stable performance under demanding underground or industrial conditions.

Applications


  • Mining and Geological Surveying – Orientation and inclination measurement of boreholes, tunnels, and shafts.

  • Underground Construction – Alignment and navigation of drilling or boring equipment.

  • Geophysical Exploration – Directional reference for magnetometers, gravimeters, and seismic instruments.

  • Oil and Gas Field Work – Downhole or surface equipment alignment where magnetic interference is present.

  • Military and Defense – Portable navigation and targeting assistance in GPS-denied environments.