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  • Sdi 151 North Finder Seeker For Orientation And Position - China

    price: contact company for price

    SDI-151 is a North seeker with digital display, constituted with dual degree of freedom dynamically tuned gyro, mechanical transmission and signal decoding circuit. Dual degree of freedom gyro has two basic features, procession and stable spin axis . Rotation axis of gyro remains the orientation relative to inertial space, oppositely, the earth rotates for its angular velocity . If taking the earth as standard, the gyro's axis will be found rotating relative to the earth. Therefore, the gyro can track and measure the angular velocity of the earth. North seekers take advantage of this different component of angular velocity on X and Y axis, then get the reference axis position info/then get the system's position info by the rate difference on X and Y sensitive axis.


    ●Easy to operate

    ●automated north-seeking

    ●with digital display

    ●meet vehicle-mounted environment


    ●Antenna positioning

    ●Vehicle positioning

    ●Radar positioning


    Azimuth measurement range:0°~360°

    Azimuth measurement accuracy: 0.06°1σ

    Azimuth resolution: 0.01°

    North seeking time: 3min

    Prepare time: 10min

    Operation state: static

    Tilt angle measurement range(option): ±8°

    Tilt angle measurement accuracy(option): ±0.06°

    Digital display LCD

    Communication ports

    Serial ports: RS-422/RS-232

    Baud rate: 9600bps


    Operating temp: -40℃~60℃

    Bump: 3g 8~11ms half-sine wave


    Input voltage: 24~36VDC

    Operating current: 1A


    Size: 180×170×185 mm

    Weight: <10kg

    Company Contact:

    • Phone: 86-10-57800988

    • Address: Building 2, No 2, Yongjienan Road,Haidian District, China, beijing, China

    • Email: Email

    Published date: August 17, 2016 -

    • Business Description: Beijing SDI Science & Technology CO.,LTD was established in 2003, and successfully listed in NEEQ in 2011(Stock Short Name: SDI; Stock code:430088). Our company mainly specialized in the fields of aviation, navigation, armament, electron, electricity, transportation and so on. The headquarters is located in Zhongguancun Yongfeng high-technology industrial base. We are awarded first national high-tech enterprises in December,2008. Our corporation has three subsidiary corporations——Wuxi Tianhe Electronic CO.,LTD. , Jiangsu Seven Dimensional Testing Technology CO.,LTD. , and Qinhuangdao Qiwei Measurement & Control Technology CO.,LTD.——and three branches in Nanjing, Wuhan and Chengdu, two offices in Dalian and Xian, as well as a research & development center in Nanjing.

      The company adhere to the quality policy of “sticking to military quality, keeping improving and perfecting” and the business strategy of “scientific and technological innovation, professional victory” , so that we are in a rapid developing process. SDI devotes to becoming the business leader in the field of Chinese navigation, and persisting in the developing road of independent innovation. What’s more, we focus on the service of development and production, sales, and technology of the products which mainly include GNSS high precision positioning, navigation, timing, attitude measurement and direction-finding of moving carrier and so on. The solid technological base and engineering service experience is contained in aspects of system integration, data fusion, structural design, environmental adaptability, model algorithm, etc.

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