Product Highlights
The DMD331 Pressure Transmitter is a versatile and high-performance device designed to measure differential pressure ranging from 0 … 20 mbar up to 0 … 16 bar. It offers two output signal options: a 2-wire configuration with a range of 4 … 20 mA and a 3-wire configuration with a range of 0 … 10 V. One of its special characteristics is its ability to handle differential pressure wet/wet applications. It can withstand a permissible static pressure (one-sided) of up to 30 times the range of the differential pressure.
The transmitter boasts a compact design and is known for its mechanical robustness and reliability, even in dynamic pressure conditions as well as situations involving shock and vibration. Additionally, the DMD331 Pressure Transmitter offers various optional versions, including an IS-version (Ex ia) that ensures intrinsic safety for gases and dust. It also provides different electrical and mechanical connection options, catering to diverse customer needs.
Applications
The DMD 331 Differential Pressure Transmitter finds significant use in plant and machine engineering, where precise monitoring and control of pressure differences are essential for the safe and efficient operation of various systems. In this context, the transmitter is often integrated into process lines, filtration systems, and pump controls to ensure that pressure levels remain within optimal ranges. Its robust design and high accuracy make it suitable for demanding industrial environments, helping to prevent equipment damage and maintain consistent product quality.
In the energy industry, the DMD 331 plays a crucial role in applications such as monitoring pressure in heating, ventilation, and air conditioning (HVAC) systems, as well as in power generation plants. Accurate differential pressure measurement is vital for optimizing energy consumption, ensuring the safety of pressurized systems, and maintaining regulatory compliance. The transmitter’s ability to handle both liquids and gases makes it versatile for various energy sector needs, from monitoring steam lines to managing fuel and cooling circuits.
The DMD 331 is also well-suited for use in water applications, including water treatment plants, distribution networks, and pumping stations. Here, it is used to monitor filter conditions, detect blockages, and control the operation of pumps and valves. By providing reliable differential pressure data, the transmitter helps operators maintain water quality, reduce energy costs, and prevent system failures due to pressure imbalances or leaks.





