DCT 541 Pressure Transmitter for Technical Gases and H2 Applications

High-pressure accuracy for hydrogen applications

The industrial pressure transmitter DCT 541 was especially developed for hydrogen applications and can also be used with other technical gases (e.g. oxygen) and uses the communication protocol Modbus RTU which has found the way in industrial communication as an open protocol. The Modbus protocol is based on a master slave architecture with which up to 247 slaves can be requested by a master.

DCT 541 Pressure Transmitter Product Features

  • nominal pressure: 0 … 16 bar up to 0 … 1000 bar
  • accuracy: 0,5 % FSO
  • output signal: RS485 with Modbus RTU protocol
  • wetted parts of special stainless steel
  • insensitive to pressure peaks
  • high overpressure capability
  • oil and grease free according to ISO 15001 (e.g. for oxygen applications)

Pressure Transmitter Product Highlights

The industrial pressure transmitter DCT 541 was specifically developed for hydrogen applications but can also be used with other technical gases such as oxygen. It utilizes the Modbus RTU communication protocol, an open protocol that has become widely adopted in industrial communication. The Modbus protocol is based on a master-slave architecture, allowing a master device to communicate with up to 247 slave devices.

For hydrogen applications, it is crucial to use materials that minimize or prevent hydrogen embrittlement due to their chemical properties. In oxygen applications, a special cleaning and manufacturing process ensures that residual particles and hydrocarbons are minimized, preventing any reactions during production.

Applications for the DCT 541 Pressure Transmitter

The DCT 541 Pressure Transmitter is highly suitable for technical gases applications. In industrial environments, technical gases such as nitrogen, oxygen, argon, and carbon dioxide are used for a variety of processes, including welding, cutting, and chemical manufacturing. The DCT 541’s robust design and compatibility with a wide range of gases make it ideal for monitoring and controlling pressure in gas storage, distribution, and delivery systems, ensuring both safety and process efficiency.

When it comes to hydrogen applications, the DCT 541 stands out due to its ability to handle the unique challenges posed by hydrogen’s small molecular size and high diffusivity. Hydrogen is increasingly used in energy storage, fuel production, and as a clean fuel source. The transmitter’s construction materials and sealing technology are specifically chosen to prevent hydrogen permeation and leakage, making it a reliable choice for hydrogen production plants, refueling stations, and storage facilities.

In the context of fuel cell technology, the DCT 541 Pressure Transmitter plays a crucial role in monitoring the pressure of gases supplied to the fuel cell stack. Accurate pressure measurement is essential for optimal fuel cell performance, efficiency, and longevity. The transmitter’s precision and stability help maintain the correct operating conditions, whether in stationary power generation, backup power systems, or automotive fuel cell applications.

For medical technology, the DCT 541 is designed to meet the stringent requirements of medical gas supply and monitoring systems. Medical devices and systems, such as ventilators, anesthesia machines, and oxygen supply networks, depend on precise and reliable pressure measurement to ensure patient safety and effective treatment. The transmitter’s high accuracy, hygienic design, and compliance with medical standards make it a trusted component in hospitals, clinics, and laboratories.

To download the latest datasheet click here: DCT 541

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