DB 75 Data Buoy

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SKU910097-01


The YSI DB 75 data buoy is a compact, cost-effective environmental monitoring platform designed for easy deployment and reliable performance.

  • Overview

    Compact and easy to deploy
    The lightweight 21-inch buoy is easy to deploy and perfect for tethered moorings, with solar-rechargeable power to match the deployment length.

    Rugged, field-ready design
    A durable polymer‑coated hull and stainless-steel cage deliver long‑lasting performance in harsh environments.

    Easy Sensor Integration
    Large pass‑through ports and plug‑and‑play connections make it simple to deploy underwater instruments and integrate new sensors.

    Pass-Through Ports
    Three 1.5-inch pass-through ports allow easy deployment of underwater sensors while securely routing cables. Each port features 8inch NPT bottom threads for attaching instrument pipes and custom mounts.

    Flexible Data Logging Options
    Integrate a Campbell CR350 variant for easy system setup or connect a third‑party data logger for custom system configurations.

    Reliable Wireless Communications
    Cellular or telemetry for real‑time data access from anywhere in the world.

    Solar Beacon
    Add a solar marine light for enhanced safety and visibility in active waterways.

    The DB-75 is a floating monitoring platform for use with

    • EXO Multiparameter Sondes
    • ADCPs
    • Weather stations
    • Thermistor strings

    *The actual number of sensors depends on power constraints

    Use data buoys in a variety of environments

    • Surface water: rivers, lakes, reservoirs
    • Ocean, coastal, estuaries
    • Source & drinking water

    Other data buoy options

    • CB-450 data buoy
    • CB-950 data buoy

  • Specifications
    DB-75 Specifications  
    Hull outer diameter 53.34 cm (21 in)
    Hull height 33.02 cm (13 in)
    Data well inner diameter 13.97 cm (5.5 in)
    Data well height 33.02 cm (13 in)
    Pass-through hole diameter 3.81 cm (1.5 in)
    Tower height 20.83 cm (8.2 in)
    Solar panels 4-Watts x3 (12 Watts of charging power)
    Power 6 Ahr AGM
    Weight 16.78 kg (37 lbs)
    Gross buoyancy 56.70 kg (125 lbs)
    Net buoyancy 39.92 kg (88 lbs)
    Hull material Cross-linked polyethylene foam with polyurea coating & stainless steel deck
    Hardware material 316 stainless steel; 304 stainless steel (lifting handles)
    Mooring attachments ⅜ in. eyenuts x3
  • FAQs
    1. Is it safe to lift the buoy from a single eye nut?
      Yes, a single topside eye nut can support the weight of a buoy without a load attached. Care should always be taken to avoid damaging the solar panels, topside sensor mounts, and sensors connected to the instrument cage during buoy lifting and movement.

    2. What are the YSI solar panel specifications?
      YSI offers multiple solar power options for land- and buoy-based environmental monitoring systems. Learn more about the single-panel manufacturer specifications to accommodate your system.

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