High Precision Directional Sensor

High Precision Fluxgate Directional Assembly

ER-OS-07 (±0.1°) Features:
1. Temperature: -40℃~150℃;
2. Accurate measurement under strong vibration environment with 16g peak value (20Hz~100Hz);
3. Shock resistance 1000g, vibration resistance 20grms;
4. Digital data transmission;
5. With minimum size of Φ31mm×384mm (customized to different needs).

High Precision Fluxgate Directional Assembly

High Precision Directional Sensor

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    Introduction

    ER-OS-07 High Precision Fluxgate Directional Assembly

    Introduction
    The ER-OS-07 High Precision Fluxgate Directional Assembly is designed to enable high accuracy measurement of the tool face (roll), inclination and azimuth orientation angles in borehole logging and drilling applications.
    The product consists of a 3-axis flux-gate magnetometer and a 3-axis accelerometer. It is powered by a wide DC voltage of 10V~36V and is digitally transmitted through a UART asynchronous transmitter. ER-OS-07 has a temperature compensation function, which can make the system reach the accuracy of ±0.1°, tool face ±1° and azimuth angle ±0.3°.
    The maximum transmission rate of the magnetometer and accelerometer output is 6 times per second, and the direction angle is 4 times per second. ER-OS-07 communicates with the outside world through the UART interface. The operator can change the baud rate by setting the data bit in E2 PROM.
    You can choose between two communication protocols according to specific requirements:
    (1) Binary system: In this system, the user needs to send a data request and ER-OS-07 responds with multiple data packets.
    (2) ASCII: The ASCII protocol obtains data by sending ASCII characters to ER-OS-07. The data returned by ER-OS-07 is transmitted in ASCII data stream, so it can be easily displayed on the video terminal.

    Features 
    Temperature: -40℃~150℃
    Accurate measurement under strong vibration environment with 16g peak value (20Hz~100Hz)
    Shock resistance 1000g, vibration resistance 20grms
    Digital data transmission
    With minimum size of Φ31mm×384mm (customized to different needs)

    Applications 
    Directional drilling, geological steering
    MWD/LWD

    Specifications 

    Measurement accuracy
    Inclination ±0.1°
    Toolface ±1°@INC≥10°
    Azimuth ±0.3°@INC=90°
    ±1°@INC≥10°
    ±2°@INC≥5°
    Electrical interface
    Input voltage scope 10V~36V
    Input current <75mA@+15V
    Digital interface UART/RS232 (selectable)
    Baud rate 9600~115200
    Communication proposal ASCⅡ or binary
    Working temperature
    Operating temperature scope -40℃~150℃
    Storage temperature scope -50℃~160℃
    Shock 1000g, 1ms half-sine
    Vibration 20g
    Outline parameters
    Diameter 31mm
    Length 384mm
    Connector MDM9SH003P (MDM15PH003F)
    Matching connector MDM9PH003L (MDM15SH003L)

    Dimension


    Application Techniques

    1.Three Signal Transmission Methods of MWD Inclinometer While Drilling

    2.Development of MWD for Directional Drilling

    3.What Is The Difference Between MWD And LWD?

    4.What Is The Principle Of MWD?

    5.Fluxgate Directional Assembly: Structure and Design of Fluxgate Acquisition System

    6.How to apply MEMS sensor in Oil & GasᅵAerospaceᅵAHRSᅵUAV?


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