Hygienic pressure transmitters are devices used to measure the pressure of liquids or gases and convert it into electrical signals. They are typically employed in industries such as food processing, pharmaceuticals, and biotechnology, where high hygiene standards are required. Below is a detailed introduction to the technical analysis and application guidelines of hygienic pressure transmitters：

Technical Analysis:

1. Sensor Principle: Hygienic pressure transmitters generally employ resistive or pressure sensors. Resistive sensors measure pressure by detecting changes in resistance, while pressure sensors convert pressure into mechanical displacement or strain, which is then transformed into electrical signals. These sensors are typically constructed from materials such as stainless steel to ensure compatibility and corrosion resistance with liquids or gases.

2. Material Selection: Construction materials for hygienic pressure transmitters typically include 316L stainless steel or other materials that meet hygienic standards. These materials offer excellent corrosion resistance and withstand high temperatures, meeting stringent hygiene requirements.

3. Sealing Design: To prevent leakage of liquids or gases, hygienic pressure transmitters often feature specialized sealing designs, such as triangular sealing rings or O-ring seals, ensuring effective sealing even under high pressure or temperature conditions.

4. Signal Output: The signal output of hygienic pressure transmitters typically includes analog signals (e.g., 4-20mA) or digital signals (e.g., RS485 or Modbus), enabling direct connection to control systems or data acquisition devices for monitoring and control purposes.

5. Cleaning and Maintenance: Due to the specific application environments, hygienic pressure transmitters require regular cleaning and maintenance to ensure proper operation and to prevent cross-contamination.

Application Guidelines:

1. Food Processing: In the food processing industry, hygienic pressure transmitters are commonly used to monitor and control the pressure of various fluids such as milk, fruit juice, beer, etc., ensuring hygiene safety and product quality in the production process.

2. Pharmaceutical Industry: In the pharmaceutical industry, hygienic pressure transmitters are often employed to monitor the pressure of medicinal liquids, ensuring precise control of the drug production process and compliance with hygiene standards.

3. Biotechnology: In biotechnology, hygienic pressure transmitters can be used to monitor pressure changes in bioreactors, enabling precise control and optimization of biological processes.

4. Cleaning Process Control: Hygienic pressure transmitters can also be used for controlling cleaning processes, such as pressure monitoring during the Clean-In-Place (CIP) process, ensuring thorough cleaning and disinfection of equipment surfaces.

5. Hygienic Level Liquid Level Measurement: In some applications, hygienic pressure transmitters can also be used for liquid level measurement, determining liquid level heights by measuring static pressure, such as in tank level monitoring.

In summary, hygienic pressure transmitters play a crucial role in industries with high hygiene standards, providing accurate pressure measurement and reliable performance to support process monitoring and control.

Shaanxi Qianyi Tuoda Technology Co., Ltd. www.sxqytd.com Tel：+8618829679311

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