KONGSBERG DPS112 差分全球导航卫星系统（DGNSS）传感器

I. Core Technical Specifications

1. Positioning Performance
   • Accuracy:
     • Standard: <1 meter (95% CEP) under DGPS/DGLONASS mode .
     • Enhanced: ≤10 cm (95% CEP) with Fugro Seastar G2 correction service .
   • Velocity Accuracy: <0.05 m/s (95% CEP) .
   • Satellite Support: Dual-frequency GPS (L1/L2), GLONASS (L1/L2), SBAS .
2. Physical & Environmental
   • Dimensions: 400 × 300 × 200 mm (consistent across 8 sources) .
   • Weight: 10 kg .
   • Protection Rating: IP65/IP67 (dust/water-resistant for marine environments) .
   • Operating Temperature:
     • Main Unit: -10°C to +50°C .
     • Antenna: -40°C to +85°C .
3. Electrical & Interface
   • Power Supply: 220V AC or 24V DC .
   • Communication Ports: RS-232, RS-485, CAN bus, Ethernet .
   • Display: 10.4-inch screen (800×600 resolution) for real-time monitoring .
4. Reliability
   • MTBF (Mean Time Between Failures): >100,000 hours .
   • Redundancy: Dual-receiver design for fail-safe operation .

II. Key Functional Features

1. High-Precision Positioning
   • Utilizes multi-constellation satellite signals (GPS+GLONASS+SBAS) and L-band reception for global coverage .
   • Supports Fugro Seastar G2, IALA beacon, and RTCM correction inputs for decimeter-level accuracy .
2. Robust Marine Adaptability
   • Shock/Vibration Resistance: Certified for harsh offshore conditions .
   • Redundant Architecture: Hot-swappable components and dual power inputs .
3. User-Friendly Operation
   • Integrated Display & Keyboard: On-device configuration and status diagnostics .
   • Remote Monitoring: Optional external displays and Ethernet-based remote access .
4. Flexible Integration
   • Software Updates: USB or Ethernet firmware upgrades .
   • Protocol Compatibility: Outputs NMEA, RTCM, and proprietary data formats .

III. Primary Application Scenarios

1. Marine Engineering & Construction
   • Subsea Operations: Pipeline/cable laying, ROV navigation, offshore wind turbine installation .
   • Platform Positioning: Dynamic positioning (DP) for drillships, FPSOs, and floating platforms .
2. Scientific Research
   • Oceanographic Surveys: Seafloor mapping, habitat monitoring, and geological studies .
   • Environmental Tracking: Marine animal migration analysis and ecological assessments .
3. Navigation & Safety
   • Port Management: Precision docking, dredging, and infrastructure maintenance .
   • Military/Rescue: Mine countermeasures, naval vessel navigation, and SAR operations .
4. Industrial Monitoring
   • Pressure Sensing: Conflicting data suggests a variant for industrial pressure measurement (0-100 bar, 0.05% accuracy), used in oil/gas pipelines and reactors .

IV. Critical Clarifications & Contradictions

1. Product Type Confusion:
   • Mainstream Consensus: DPS112 is a marine DGNSS sensor (validated by 12/15 sources) .
   • Divergent Descriptions:
     • Digital Power System: One source describes it as a “112kW power converter” for ships .
     • Industrial Signal Processor: Referred to as a “digital signal processing module” for manufacturing/energy sectors .
     • Pressure Sensor: Cited as a compact (22×17mm) pressure transducer .
   • Resolution: These contradictions likely stem from mislabeled product codes or reused model numbers across different Kongsberg product lines.
2. Accuracy Metrics:
   • Positioning: Consistently “sub-meter” in marine contexts .
   • Pressure Sensing: 0.05% accuracy claimed for industrial variants .
3. Physical Discrepancies:
   • A source lists dimensions as “120×80×40mm/200g” , conflicting with the standard 400×300×200mm/10kg profile. This likely describes a different device (e.g., remote monitor).