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Sonardyne International Lodestar (surface)

  • Sonardyne International Lodestar (surface)
Sonardyne International
Blackbushe Business Park
GU46 6GD Yateley
United Kingdom of Great Britain & Northern Ireland
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Specifications

  • Height [m]
    0.275
  • Width [m]
    0.214
  • Length [m]
    0.284
  • Weight [kg]
    13
  • Min. Voltage (AC)
    90
  • Max. Voltage (AC)
    260
  • Min. Voltage (DC)
    20
  • Max. Voltage (DC)
    50
  • Power consumption [W]
    15
  • Splashproof casting
    N
  • Water resistant casting
    N
  • Mean time between failures [hr]
    300000
  • Type of accelerometer
    Force-feedback pendulous (Q-flex)
  • Type of gyro
    Ring Laser Gyro (RLG)
  • Removable from base plate
    Y
  • Type of application
  • Max. rotation speed [deg/s]
    500
  • Min. operating temperature [°C]
    -10
  • Max. operating temperature [°C]
    55
  • NMEA formats
    GGA; GLL; ZDA; VTG; ACK; PRDID; PHTRO; HDT; THS; MDL; TEMP; TXT; ALR
  • Other
    TSS1; TSS2; TSS3; EM1000; EM3000
  • Heading [deg]
    0.05
  • Pitch [deg]
    0.01
  • Roll [deg]
    0.01
  • Heave: constant part [m]
    0.05
  • Heave: variable part [%]
    5
  • Heading [deg]
    0.1
  • Pitch [deg]
    0.01
  • Roll [deg]
    0.01
  • Heave [m]
    0.05
  • Heading [deg]
    0.05
  • Pitch [deg]
    0.01
  • Roll [deg]
    0.01
  • Heave [m]
    0.02
  • Decrease in position accuracy [m/hr]
    3
  • Heading [deg]
    0.1
  • Pitch [deg]
    0.01
  • Roll [deg]
    0.01
  • Heave [m]
    0.05
  • Decrease in position accuracy [m/hr]
    4630
  • Accelerometer bias [µ-g]
    50
  • gyro bias [deg/hr]
    0.01
  • Calibration procedure
    Non return to factory calibration procedure supported.
  • Adaptable filter strength
    Y
  • Adaptable input signals
    Y
  • Integrity monitoring of position input
    Y
  • Integrity monitoring of log input
    Y
  • Max. number of position input signals
    4
  • Max. number of log input signals
    1
  • Maximum latency of position input [ms]
    10000
  • Maximum latency of log input [ms]
    2000
  • Uncertainty indicators given in output
    1DRMS; 1sigma RMS; error ellipse; etc
  • Uncertainty of time stamp for output [ms]
    0.001
  • Graphical user interface
    Y
  • Typical application
    Acoustical Aided INS for high accuracy survey; subsea metrology and DP. IMO certified AHRS.
  • Distinguishable features
    Customised for reliable use in commercial marine applications and for optimal integration with acoustic positioning systems.

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