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MIDAS Surveyor GPS Echosounder

Product code : 1489649745

The MIDAS Surveyor is a revolution in small boat survey work. With an integral GPS receiver and Valeport’s unique “fuzzy logic” digital echo sounding technology, the Surveyor is quick to deploy, rugged and reliable, and boasts many features to make your work as easy as possible. Valeport also offers a range of tide gauge & sound velocity products to compliment the Surveyor - see the separate brochures.

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  • Nhà Sản Xuât
  • VANLEPORT Ltd

    Echo Sounder 

    Single (210kHz) or dual (210 / 33kHz) channel input, using unique “fuzzy 
    logic” DSP to give accurate readings and reliable performance, even in 
    shallow water. Data may be logged and output either raw (as measured) or 
    corrected for tide and heave. 

    Range: 0.3 - 100m (210kHz), 1.8 - 100m (33kHz) 

    Accuracy: greater of ±0.01m or ±0.02% 

    Resolution: 0.01m (210kHz), 0.04m (33kHz) 

    Sample Rate: 6Hz 
     

    Position 
    MIDAS Surveyor logs and displays DGPS position data in WGS84 or Local 
    Grid. User has full control over spheroid and projection constants for Local 
    Grid setup. 

    Standard: Integral 12 channel GPS/SBAS receiver with combined 
    antenna: 
     ± 4m (CEP), with no correction 
     ± 2m (CEP), with SBAS correction 

    Option : Surveyor also accepts user’s own differential, GPS or 
    RTK data input. 

    Other Inputs 
    The Surveyor will accept data input from all the additional sensors listed 
    below. All data may be logged and output in real time on a single RS232 
    channel, and tide & heave data may be used to provide real time 
    corrections to depth data. 

    Tide: RS232 text data from tide gauge or RTK. 
    Heave: RS232 data from heave sensor (up to 60Hz). 
    Sound Speed: Continuous or spot readings from Valeport Sound 
    Velocity Sensors may also be logged. 
    Gyro/Auxiliary: RS232 input of vessel heading or any other text string 
    may be logged with the survey data. 
    Event Marker: Surveyor is supplied with remote event marker 

    Data Outputs 

    Real Time RS232 output on a single channel of any, some or all of the 
    active data inputs, in choice of industry standard formats. 
     
    Memory 
    16Mb internal FLASH memory provides nominal 32 hours of data logging. 
    An optional 32Mbyte memory is available at time of order. 

    Data Display 
    240 x 128 pixel graphics LCD display, providing numerical and graphical 
    depth display, position data (WGS84 or Local Grid) and all other incoming 
    parameters. On screen help and simple menu-driven setup functions allow 
    full system control. 

    MIDAS Surveyor 
    Datasheet Reference: MIDAS Surveyor version 2A, Feb 2011 

    Internal: 8.4Ah sealed lead acid battery pack 
    External: 12 – 24vDC 
    Power: 3W (sampling), 25W (max when recharging) 
    Battery Life: Nominal 24hours working time 
    (Recharge using external power) 

    Connector: Fischer 
    Software 
    Surveyor is supplied with SurveyLog windows based software, allowing 
    data extraction & display. All data is presented in ASCII format, and 
    may easily be exported for use in industry standard hydrographic 
    survey software packages, or simple XYZ format data. 

    Physical 
    Surveyor: Rugged IP67 case, 35 x 33 x 16cm, 9kg 
    Accessories: IP67 case, 41 x 33 x 18cm, 9kg 
    Dual Tdx: Combined 210/33kHz, 30 x 30 x 10cm, 12kg 
    Shipping: 62 x 44 x 38cm, 18kg (basic set) 


    Basic 
    0420001 MIDAS Surveyor logging unit with 16Mb memory, internal 
    battery pack, DC power lead, RS232 output lead, event 
    marker, operating manual & SurveyLog software 
    0420002 210kHz transducer with 10m cable and mounting spigot 
    0420005 Integral 12 channel GPS/SBAS receiver with antenna, 5m 
    cable and mounting spigot. 

    Options 
    0420003 33kHz transducer with 10m cable and mounting spar 
    0420004 33/210kHz transducer with 10m cable and mounting spar 
    0420008 RS232 input lead for external data input (tide, heave etc.) 
    0420009 Memory upgrade to 32Mbyte 

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