NF701A High Precision North Finder with 0.3 deg Accuracy for Marine Navigation and RS422 Interface

The NF701A High Precision North Finder is a marine-grade fiber optic gyroscope north seeking system designed for ship navigation and gyrocompass applications. Delivering 0.3 deg accuracy in under 3 minutes, it provides reliable true north reference for vessels operating in all maritime conditions, from polar regions to equatorial waters.

115 x 90 x 110 mm

• North seeking time: ≤ 3 minutes
• North seeking accuracy (1 sigma): ≤ 0.3 deg (NF701A); ≤ 0.5 deg (NF701B)
• Horizontal accuracy: ≤ 0.05 deg (1 sigma)
• Circumference: ≤ 0.5 deg (1 sigma)
• Weight: ≤ 2 kg
• Power supply: DC 12V ~ 24V
• Power consumption: 15 W (peak)
• Interface: RS422
• Working mode: Automatic self-check on power-up, controlled north seeking via upper computer

• Operating temperature: -40°C to +70°C
• Storage temperature: -55°C to +85°C
• Humidity: Relative humidity less than 95%

• MTBF ≥ 1000 hours
• MTTR ≤ 30 minutes

• Ship Gyrocompass Systems: Reliable true north reference for vessel heading and navigation
• Dynamic Positioning: Precise heading data for offshore platform and drill ship station-keeping
• Ferry and Cruise Navigation: Accurate heading for passenger vessel autopilot and route keeping
• Fishing Vessel Systems: Cost-effective north reference for commercial fishing fleet navigation
• Offshore Support Vessels: Heading data for platform supply and crew transfer vessel operations