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℃
    Shock30g/11ms(half-sine), 75g/6ms(sine)
    Vibration7.2g/5min (3 directions)
    Frequency(Hz)1010020030060010002000
    Power(g2/Hz)0.10.40.10.020.0050.00003-6dB
    Jitter frequency420Hz~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 pressureAltitude 5000m
    MTBF15000h
    Storage life15a
    Size(102±1)mm×(93±1)mm×(54±1)mm
    Weight0.95±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 numberNameDescription
    17;35+15V/
    18;36+15GNDNote that you can’t connect to any other ground
    15;335VGND/
    16;34+5V/
    19;37-5V/
    11;29AOUTTTL output
    9;27BOUTTTL output
    10;28ABGND/
    14;32TCOMPlatinum resistance common end
    12Platinum resistance TMP1Gyro body, cathode attachment position
    30Platinum resistance TMP2Gyro box body, under the light prism
    13Platinum resistance TMP3Gyro body, near the pumping anode
    31Platinum resistance TMP4Gyro box body, near the box wall
    20;26GND/
    Other pinsFactory 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

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