Key Technical Details of the DMK 331 P Pressure Transmitter
The DMK331P Pressure Transmitter is a versatile and reliable device designed for various pressure measurement applications. With a nominal pressure range from 0 … 60 bar up to 0 … 400 bar, it offers flexibility to accommodate different pressure levels. The transmitter provides output signals in both 2-wire and 3-wire configurations, offering options of 4 … 20 mA and 0 … 20 mA / 0 … 10 V, respectively. Additionally, it can be customised to provide other output signals upon request. One of its notable features is its suitability for measuring viscous and pasty media, making it ideal for challenging environments.
The DMK331P also offers optional versions, including an IS-version Ex ia for gases and dusts, SIL 2 certification according to IEC 61508/IEC 61511 for enhanced safety, and a food-compatible filling fluid with FDA approval. Moreover, it can be equipped with a cooling element to handle media temperatures up to 300 °C. The transmitter is adaptable to meet customer-specific requirements, ensuring it can be tailored to specific application needs.
Applications
In plant and machine engineering, the DMK 331 P pressure transmitter is used to monitor and control pressure in various industrial processes. Its robust design and compatibility with a wide range of media make it ideal for integration into automated systems, hydraulic circuits, and pneumatic controls. By providing accurate and reliable pressure measurements, it helps ensure the safe and efficient operation of machinery, reduces downtime, and supports preventive maintenance strategies.
The food industry often requires pressure transmitters that can withstand frequent cleaning, exposure to aggressive cleaning agents, and contact with food products. The DMK 331 P is designed with hygienic process connections and materials that are compatible with food processing environments. It is used to monitor pressure in pipelines, tanks, and processing equipment, ensuring product quality, safety, and compliance with hygiene standards. Its ability to handle both liquid and gaseous media makes it versatile for various food production applications.
Handling viscous and pasty media, such as slurries, creams, or thick liquids, presents unique challenges for pressure measurement. The DMK 331 P is equipped with a flush-mounted diaphragm, which prevents clogging and allows for accurate pressure readings even with sticky or solid-laden substances. This makes it particularly suitable for industries like wastewater treatment, chemical processing, and food production, where reliable measurement of challenging media is essential for process control and equipment protection.





