H-3551T Bubbler

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WaterLOG Self-Contained Continuous Flow Bubbler

  • Overview

    The Bubbler (H-3551T) is reliable, light weight and requires low power operation by 12-volt battery and solar panel. Operating in depths up to 115 ft. (35 m) with 50 PSI, the Bubbler is ideal for stream, lake, well, tide, ocean, reservoir, waste water—let's just say practically every water monitoring site. With programmable flow rates, a sleep current of 6mA, and an RS-485 connection, it is sure to be a favorite among your products. Pair this Bubbler with the H-350XL and you have a complete bubble gage.


    • Operates in depths up to 115 ft. (35 m) with 50 PSI
    • No mercury
    • No sight feed oil in orifice line
    • No needle valve or diaphragm problems
    • SDI-12 and RS-485 interfaces
    • Automatic purge
    • Programmable bubble rate of 30 to 120 per minute
    • Flow rates are programmable

  • Specifications
    Connectivity / Communications Orifice Line Outlet: 1/8 in (.3175 cm) FNPT, Sensor Pressure Outlet: 1/8 in (.3175 cm) FNPT, RS-485, SDI-12 Pressure Outlet:
    Connector RS-485, SDI-12
    Depth / Pressure Rating / Limit User selectable 15 PSI to 80 PSI
    Operating Temperature -40 ° to +60 ° C
    Power Compressor Active No Pressure: 3 A, Compressor Active Full Pressure: 6 A, Startup Surge Required: 15 A
    Storage Temperature -50 ° to +80 ° C

    2 years

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