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Dubhe-M1 – Marine RLG Inertial Navigation System Unit

Dubhe-M1 – Marine RLG Inertial Navigation System Unit

MOQ: 1 set
Price: $1000-$100000
Delivery Period: 30 work days
Payment Method: T/T
Supply Capacity: 100 set per year
Detail Information
Place of Origin
China
Brand Name
Star & Inertia Technology
Model Number
Dubhe-M1
Alignment Time:
≤15min
Position Accuracy/Pure Inertia:
≤1nm/1h,CEP
Position Accuracy/INS/DVL Combination:
≤0.3%D,RMS
Position Accuracy/INS/GNSS Combination:
Better Than GNSS
Speed Accuracy/Pure Inertia:
≤1.5kn,RMS
Speed Accuracy/GNSS Combination:
≤0.4kn,RMS
Heading Accuracy/Pure Inertia:
≤0.05°sec(L),RMS
Heading Accuracy/INS/GNSS Combination:
≤0.02°,RMS
Pitch & Roll Accuracy/Pure Inertia:
≤0.02°,RMS
Pitch & Roll Accuracy/INS/GNSS Combination:
≤0.01°,RMS
Dimensions(Lmm×Wmm×Hmm):
195×160×108mm
Weight:
<3.9kg
Temperature:
-40℃~60℃
Input Voltage:
DC24V(±25%)
Product Description

RLG (Dubhe-90)

The Dubhe-90 Ring Laser Gyroscope (RLG) operates based on the Sagnac effect, measuring angular increments by detecting phase differences between counter-propagating laser beams in a closed glass cavity.

With high integration, excellent reliability, strong environmental adaptability, and stable performance, the Dubhe-90 has become a widely used sensor for high-precision inertial navigation systems (INS).

Applications

  • Spacecraft

  • Aircraft

  • Satellites

  • Vehicles

  • Ships

  • Submersibles
    Used for navigation and attitude reference.

Key Features

  • Monolithic optical and electronic integration for easy installation

  • Compact and lightweight design with controlled power consumption

  • High reliability with strong shock and vibration resistance

  • Wide dynamic response bandwidth with digital output

Series Inertial Navigation System(INS-M)
Type Dubhe-M1
Accelerometer Months Bias Repeatability() ≤30μg
Months Scale Factor Accuracy() 30ppm
Gyro Bias Repeatability() 0.01°/hr
Scale Factor Accuracy() 10ppm
Random walk() 0.003°/hr
Features Angular Rate ≥±400°/sec
Angular Acceleration 100000°/sec2
Acceleration >25g
Angular Attitude  Any Orientation
Speed accuracy/Pure inertia 1.5kn,RMS
Speed accuracy/GNSS Combination ≤0.4kn,RMS
Startup time ≤10sec
Input/output 3 RS422 full-duplex serial ports, 1 100M Ethernet port
Alignment time 15min
Position accuracy Pure inertia 1nm/1h,CEP
INS/DVL Combination 0.3%D,RMS
INS/GNSS Combination better than GNSS
Heading Accuracy Pure inertia 0.05°sec(L),RMS
Inertia/GNSS Combination 0.02°,RMS
Pitch & Roll Accuracy Pure inertia 0.02°,RMS
Inertia/GNSS Combination 0.01°,RMS
Characteristics Power consumption <20W
Dimensions(Lmm×Wmm×Hmm) 195×160×108mm
Weight 3.9kg
Temperature  -40~60
Shock 15g,Half-sine wave 11ms
Input Voltage DC24V(±25%)
cooling Conduction to mounting plate
Vibration  20~2000Hz,6.06g
MTBF 20000 hours






products
PRODUCTS DETAILS
Dubhe-M1 – Marine RLG Inertial Navigation System Unit
MOQ: 1 set
Price: $1000-$100000
Delivery Period: 30 work days
Payment Method: T/T
Supply Capacity: 100 set per year
Detail Information
Place of Origin
China
Brand Name
Star & Inertia Technology
Model Number
Dubhe-M1
Alignment Time:
≤15min
Position Accuracy/Pure Inertia:
≤1nm/1h,CEP
Position Accuracy/INS/DVL Combination:
≤0.3%D,RMS
Position Accuracy/INS/GNSS Combination:
Better Than GNSS
Speed Accuracy/Pure Inertia:
≤1.5kn,RMS
Speed Accuracy/GNSS Combination:
≤0.4kn,RMS
Heading Accuracy/Pure Inertia:
≤0.05°sec(L),RMS
Heading Accuracy/INS/GNSS Combination:
≤0.02°,RMS
Pitch & Roll Accuracy/Pure Inertia:
≤0.02°,RMS
Pitch & Roll Accuracy/INS/GNSS Combination:
≤0.01°,RMS
Dimensions(Lmm×Wmm×Hmm):
195×160×108mm
Weight:
<3.9kg
Temperature:
-40℃~60℃
Input Voltage:
DC24V(±25%)
Minimum Order Quantity:
1 set
Price:
$1000-$100000
Delivery Time:
30 work days
Payment Terms:
T/T
Supply Ability:
100 set per year
Product Description

RLG (Dubhe-90)

The Dubhe-90 Ring Laser Gyroscope (RLG) operates based on the Sagnac effect, measuring angular increments by detecting phase differences between counter-propagating laser beams in a closed glass cavity.

With high integration, excellent reliability, strong environmental adaptability, and stable performance, the Dubhe-90 has become a widely used sensor for high-precision inertial navigation systems (INS).

Applications

  • Spacecraft

  • Aircraft

  • Satellites

  • Vehicles

  • Ships

  • Submersibles
    Used for navigation and attitude reference.

Key Features

  • Monolithic optical and electronic integration for easy installation

  • Compact and lightweight design with controlled power consumption

  • High reliability with strong shock and vibration resistance

  • Wide dynamic response bandwidth with digital output

Series Inertial Navigation System(INS-M)
Type Dubhe-M1
Accelerometer Months Bias Repeatability() ≤30μg
Months Scale Factor Accuracy() 30ppm
Gyro Bias Repeatability() 0.01°/hr
Scale Factor Accuracy() 10ppm
Random walk() 0.003°/hr
Features Angular Rate ≥±400°/sec
Angular Acceleration 100000°/sec2
Acceleration >25g
Angular Attitude  Any Orientation
Speed accuracy/Pure inertia 1.5kn,RMS
Speed accuracy/GNSS Combination ≤0.4kn,RMS
Startup time ≤10sec
Input/output 3 RS422 full-duplex serial ports, 1 100M Ethernet port
Alignment time 15min
Position accuracy Pure inertia 1nm/1h,CEP
INS/DVL Combination 0.3%D,RMS
INS/GNSS Combination better than GNSS
Heading Accuracy Pure inertia 0.05°sec(L),RMS
Inertia/GNSS Combination 0.02°,RMS
Pitch & Roll Accuracy Pure inertia 0.02°,RMS
Inertia/GNSS Combination 0.01°,RMS
Characteristics Power consumption <20W
Dimensions(Lmm×Wmm×Hmm) 195×160×108mm
Weight 3.9kg
Temperature  -40~60
Shock 15g,Half-sine wave 11ms
Input Voltage DC24V(±25%)
cooling Conduction to mounting plate
Vibration  20~2000Hz,6.06g
MTBF 20000 hours