The SMAR DT301 intelligent concentration density transmitter is an instrument developed for the continuous, online measurement of liquid concentration and density, directly in the industrial process. It consists of a capacitive type differential pressure sensor coupled to a pair of pressure repeaters immersed in the process. A temperature sensor is located between the two pressure repeaters and is used to compensate for the temperature variations in the process fluid. A dedicated software algorithm is used to calculate the fluid density.
Depending on the industrial process, density may be expressed in Brix degree, Gay-Lussac degree, Baume degree, Plato degree and percentage concentration. Designed for process control applications, these two wire transmitters generate a 4–20 mA signal proportional to the concentration/density. Digital communication for remote calibration and monitoring is also provided. The units are also available with Profibus PA and Foundation Fieldbus connections.
Wiring is easy as it is two-wire loop powered requiring no auxiliary supply. Unlike nuclear density transmitters, the DT301 requires no special permits, handling or swipe tests. This makes the DT301 an all-in-one simple cost-effective solution.
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