H-3553T Bubbler

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WaterLOG Self-contained Continuous Flow Bubbler with Fully Integrated Pressure Sensor

  • Overview

    Built and tested for the most riggorous standards, the Bubbler (H-3553T) incorporates the features of earlier models and adds to them.  Designed specifically for measuring fluid levels in surface water applications, ground water and tanks, this compact combo system has a built-in calibrated pressure sensor. The continuous display  provides a readout of the last measured value for quick reference.

    The Bubbler also has an improved controller and pressure regulator that use a sophisticated system of sensors and valves to regulate the bubble rate and purge pressure. And to keep the sediment from settling around the orifice line, this Bubbler provides a purge feature to keep the pressure at a desired level. You can even start a manual purge, anytime, with the touch of a button. This system was made for those who don't have time to mess around at the site.


    • Measures depths up to 115 ft. (35 m) with a 50 PSI calibration
    • Temperature and atmospheric pressure compensated
    • Auto purge / purge sustain option
    • SDI-12 output provides data in user-defined units
    • Simple RS-232 Menu Interface
    • Standard mode outputs: SDI-12, 4-20mA, RS-232
    • Optional outputs: 0-5V and quadrature
    • Low current operation (6mA standby)
    • Extended SDI-12 commands for setting the stage to the current water elevation or pressure
    • Optional display

  • Specifications
    Connectivity / Communications SDI-12, RS-485, RS-232, 4-20mA Output
    Connector 7-pin Circular Military Connector: Power, SDI-12, 4-20mA and RS-485; 3-pin Circular Military Connector: RS-232 Data and Menu Setup Port; Cables Main Connector Cable with 6 ft. (1.8288 m) pigtail provided. RS-232 Connector cable optional.; Connectors Sealed Bendix type circular Pressure Inlet 1/8” (3.81 cm) female NPT
    Depth / Pressure Rating / Limit Depth of 0 to 34.6 ft (10.54 m) at 0 to 15 PSI, Depth of 0 to 69.20 ft (21 m) at 0 to 30 PSI
    Operating Temperature -40 ° to +60 ° C
    Power Voltage Input: 10.0 to 16.5 V DC;Current Standby: 6mA; Compressor Active No Pressure: 3 A ;Compressor Active Full Pressure: 6 A;Startup Surge Required: 15 A (Based on a 60 bubbles/min flow rate with a 15 min measurement cycle and a 1 purge/day frequency. Average active current 20mA). Surge Protection: 20 VDC
    Storage Temperature -60 ° to +80 ° C

    2 years

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