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DMP 321 Industrial Pressure Transmitter

Meet the DMP 321 Pressure Transmitter, a breakthrough in industrial pressure measurement. Building on the DMP 331’s success, the DMP 321 offers advanced signal behaviour, setting new industrial standards. Its stainless steel (1.4435 / 316L) metallic diaphragm provides superior corrosion resistance, perfect for various industrial uses. With a modular design, it allows easy customisation of pressure ranges, electrical configurations, and mechanical connections, offering a wide range of options for seamless integration in any industrial application. Embrace the future of pressure measurement with the DMP 321.

DMP 321 Pressure Transmitter Product Parameters

  • Pressure Ranges: From 0 … 100 mbar to 0 … 600 bar.
  • Output Signal: 2-wire: 4 … 20 mA; 3-wire: 0 … 20 mA / 0 … 10 V; more options available.
  • Accuracy: Perfect thermal behavior and excellent long-term stability.
  • Electrical Connections: Various options, including 2-wire and 3-wire systems.
  • Process Connections: Compact design for versatile use.
  • Media Compatibility: Suitable for a wide range of applications.
  • Special Features: Intrinsically safe IS-version Ex ia for gases and dusts; welded sensor; customisable versions.


Product Highlights

The DMP321 is a versatile pressure transducer that offers a wide range of applications. It can measure nominal pressures ranging from 0 to 100 mbar up to 0 to 600 bar, providing accurate and reliable results. The transducer offers two output signal options: a 2-wire configuration with a 4-20 mA signal and a 3-wire configuration with a 0-20 mA or 0-10 V signal. Other output signal options are available upon request, catering to specific needs. The DMP321 boasts several special characteristics, including perfect thermal behaviour, ensuring accurate measurements even in varying temperatures. It also offers excellent long-term stability, ensuring consistent and reliable performance over extended periods. The transducer features a compact design, making it suitable for applications where space is limited. Additionally, the DMP321 comes with optional versions, such as an IS-version (Ex ia) that is intrinsically safe for gases and dusts. There is also an option for a welded pressure sensor, further enhancing its durability. Finally, customer-specific versions can be created to meet specific requirements, making the DMP321 a highly customisable and adaptable pressure transducer.


  • Plant and machine engineering
  • Environmental engineering
  • Energy industry
  • Mobile hydraulics

To download the latest datasheet click here: DMP 321

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