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Gyro North Finder
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Fiber Optic Gyro North Finder 0.3 deg Accuracy Vehicle Mounted Industrial Navigation System

Fiber Optic Gyro North Finder 0.3 deg Accuracy Vehicle Mounted Industrial Navigation System

Brand Name: Firepower
Model Number: NF701A
Detail Information
Place of Origin:
China
Certification:
ISO 9001:2015, CE, RoHS
North Finding Accuracy:
<= 0.3 Deg (NF701A)
North Finder Dimension:
115 X 90 X 110mm
Output:
RS422
Horizontal Accuracy (1 Sigma):
<= 0.05 Deg
Azimuth Resolution:
<= 0.5 Deg
Weight:
<= 2 Kg
Highlight:

fiber optic gyro north finder

,

vehicle mounted industrial navigation

,

0.3 deg accuracy NF701A seeker

Product Description
 Fiber Optic Gyro North Finder for Vehicle Mounted Industrial Navigation

The NF701A is a high-precision Fiber Optic Gyroscope (FOG) North Finder engineered for vehicle-mounted industrial navigation systems. By detecting the Earth's rotation angular rate through a FOG, it autonomously calculates true north azimuth within 3 minutes, providing critical heading reference for mining trucks, construction equipment, and mobile industrial platforms operating in GPS-denied or magnetically noisy environments.

Dimensions

115 x 90 x 110 mm

Technical Specifications
  • 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
Environmental Requirements
  • Operating temperature: -40 deg C to +70 deg C
  • Storage temperature: -55 deg C to +85 deg C
  • Humidity: Relative humidity less than 95%
Reliability
  • MTBF >= 1000 hours
  • MTTR <= 30 minutes
Ideal Applications
  • Mining Truck Navigation: GPS-independent heading for heavy haul trucks in open-pit mines
  • Construction Equipment Positioning: Precise azimuth for autonomous bulldozers and graders
  • Mobile Crane Alignment: Quick north reference for crane setup and load positioning
  • Railway Maintenance Vehicles: Accurate heading for track inspection and repair equipment
  • Emergency Response Vehicles: Reliable orientation for fire trucks and rescue vehicles in GPS-denied areas
External Plug Configuration (Interface Y50EX-0607TX2)
Plug Pin Number Functional Definition
a DC12V ~24V
b DC12V ~24V GND
c TD+
d TD-
e RD+
f RD-
g GND