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Speed Log

Doppler Speed Log Model DS-85

Attain Highly Accurate & Stable Speed Measurement

Highly accurate measurements of the speed through water (STW)

Merchant Marine Fishing Vessels Workboats

Features

  • Highly Accurate Measurements

    When a vessel moves through the water, acoustic noise is created and is known as a boundary layer. This noise layer can cause errors with acoustic devices. By measuring speed through water (STW) farther away from the keel, the DS-85 penetrates through this noise and boundary layer resulting in a more stable and accurate speed measurement compared to an electromagnetic speed log.

  • Better Stability

    With the new transducer and newly designed process algorithm, the impact of foam is reduced, enabling highly accurate and stable ship speed information.
     
    Improved Interference Immunity
    • Development of a transducer equipped with the latest technology
      1. Usage of a high frequency with a strong foam resistance
      2. Achievement of an optimal ultrasonic width and angle
    • Significant improvement of the signal processing capability

    Measurement Image

  • Compact Gate Valve (Option)

    The new compact and lightweight ball-type gate valve is 30% lighter than the traditional valve. When replacing the previous model (DS-80), the same tank or valve can be used, reducing the cost of a retrofit.

    Comparison between the DS-80 valve (40kg)
    and the DS-85 valve (27kg)

  • Easy-to-Read Display

    Easy-to-read display screen even from a distance, thanks to large characters and clear, bright tones

  • Complies with the latest IMO, IEC Standards

    IMO A.694(17) IEC61023 Ed.3.0
    IMO A.824(19) IEC61162-1 Ed.5.0
    IMO MSC.36(63) EC61162-2 Ed.1.0
    IMO MSC.97(73) IEC61162-450 Ed.2.0
    IMO MSC.191(79) IEC62288 Ed.2.0
    IMO MSC.302(87) IEC60945 Ed.4.0
    IEC62923-1/-2 Ed.1.0

Interconnection Diagram


*1 When connecting two RD-50, use the power supply onboard. The Distribution Box can only supply power to one device.
*2 For the DS-8510-LIF, the LIF board configuration is standard.
*3 The cable lenght (Distribution Box to Tranceiver Box) is up to 400m. If necessary, use the Junction Box.

Documentation

Contact

Locate a Distributor Contact a local distributor for further details.

* Specifications subject to change without notice.

Speed Log