High Quality Laser Gyroscope

High Quality Laser Gyroscope

ER-RLG-70 (≤0.005°/h)
1. Bias stability: ≤0.005°/h;
2. Angular random walk: ≤0.0008°/√h;
3. Bias repeatability: (≤0.002°/h)

High Quality Laser Gyroscope

High Quality Laser Gyroscope

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    Main parameters of gyroscope

    Bias stability ≤0.005°/h (100s Standard deviation)
    Bias repeatability ≤0.002°/h
    Angular random walk ≤0.0008°/√h
    Magnetic field sensitivity ≤0.001°/h/Gs
    Total error of scale factor ≤3ppm (1σ)
    Measuring range -500~500°/s
    Start time ≤5s
    Operating temperature –40℃~+65℃
    Storage temperature –55℃~+85℃
    Shock 30g/11ms(half-sine), 75g/6ms(sine)
    Vibration 7.2g/5min (3 directions)
    Frequency(Hz) 10 100 200 300 600 1000 2000
    Power(g2/Hz) 0.1 0.4 0.1 0.02 0.005 0.00003 -6dB
    Jitter frequency 420Hz~580Hz, the jitter frequency of type A, type B and type C gyroscopes decreases successively, which should be avoided in the design of system structure
    Low pressure Altitude 5000m
    MTBF 15000h
    Storage life 15a
    Size (102±1)mm×(93±1)mm×(54±1)mm
    Weight 0.95±0.1kg
    Power consumption ≤3W

    Mechanical interface 
    Figure 1 Shape and mounting dimensions of gyroscope
    laser gyro

    Mass center

    laser gyro

    Figure 2  Mass Center for gyroscope

    Electrical interface

    The electrical interface adopts J30J-37ZK socket, as defined in the following table.

    Node number Name Description
    17;35 +15V /
    18;36 +15GND Note that you can't connect to any other ground
    15;33 5VGND /
    16;34 +5V /
    19;37 -5V /
    11;29 AOUT TTL output
    9;27 BOUT TTL output
    10;28 ABGND /
    14;32 TCOM Platinum resistance common end
    12 Platinum resistance TMP1 Gyro body, cathode attachment position
    30 Platinum resistance TMP2 Gyro box body, under the light prism
    13 Platinum resistance TMP3 Gyro body, near the pumping anode
    31 Platinum resistance TMP4 Gyro box body, near the box wall
    20;26 GND /
    Other pins Factory retention /

    Cautions for use

    1. Gyroscope should be avoided by impact, knock;
    2. Gyroscopes with the same jitter frequency should be avoided in the same inertial navigation equipment;
    3. Pay attention to the use of spring pad when installing the gyroscope. It is recommended to use M4hex socket screw with grade 9 (including) or above, and the recommended torque value is 2.5NM.

    Application Techniques

    1.How does a ring laser gyroscope work?

    2.What Is The Structure And Working Principle Of The Laser Gyroscope?

    3.Laser Gyroscopes Shine In Many Fields Of Military And Civilian Use

    4.Application of Laser Gyroscope

    5.The Principle of Laser Gyroscope

    6.China High Precision Laser Gyroscope

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