TERRANOVA® is a group gathering the oldest and most historical Italian Brands of Process Instrumentation: Spriano® (1923), Valcom® (1974) and Mec-Rela® (1976).

Head Office
Via Rosso Medardo 16, 20159 Milano, Italy
Operative Office
Via Gramsci 1, 26827 Terranova dei Passerini (LO), Italy

Tel. +39 0377 911066
Fax +39 0377 919156


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    BMS Series

    BMS is a bubbling system for level detection based on the measurement of hydrostatic pressure caused by the liquid contained in the tank.

    The working principle is founded on the measure of the pressure value needed to maintain a constant and regular air flow through a pipe probe open in the bottom and submerged into the liquid. At any level variation of the liquid in the tank corresponds a variation of the hydrostatic pressure applied on the air outgoing from the probe pipe; these pressure variations are precisely detected by the 27M P/I converter and converted into a standard 4?20 mA electric signal.


    PR3 regulator keeps constant the bubbling air flow at any level value assuring high precision measurement.

    Additional information

    Field of Application

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    Measure Principle

    Measuring Range

    Process Connection

    Process Temperature

    Accuracy Class


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