Our Unit Converter

The ESI Unit converter allows you to quickly and easily access a conversion tool to work out your preferred unit of pressure measurement wherever you may be. Whether out on-site or in the office.

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Download the ESI-USB© Software

The ESI-USB© software allows you to connect your ESI transducer to your laptop or PC and be up and running monitoring pressure data within ten minutes. The software auto-updates and is compatible with Windows 8, 10 & 11.

Pressure Transducers and Transmitters

When it comes to industries that require the highest standards of cleanliness and accuracy, choosing the right pressure measurement solution is vital. At ESI Technology, we are proud to provide a product that meets these exacting demands: the PR3850 Hygienic Flush Diaphragm Pressure Transmitter. Designed specifically for the food, beverage, pharmaceutical, and biomedical sectors, this advanced transmitter combines hygienic design with world-class reliability and performance.

What is the PR3850 Hygienic Flush Diaphragm Pressure Transmitter?

The Hygienic Flush Diaphragm Pressure Transmitter is a high-accuracy sensor engineered to withstand the unique challenges of sanitary applications. Unlike standard transmitters, it features a flush diaphragm design that prevents product build-up, making it ideal for processes where hygiene and sterility are non-negotiable.

This transmitter provides precise pressure readings, even in demanding environments, while ensuring compliance with stringent industry regulations. Whether it’s monitoring pressures in a milk processing line or controlling pressure in a pharmaceutical reactor, the PR3850 delivers consistent results that operators can trust.

Key Features and Benefits

The Hygienic Flush Diaphragm Pressure Transmitter is built with both performance and practicality in mind. Some of its standout features include:

  • Hygienic flush diaphragm design – prevents residue accumulation and allows for easy cleaning.

  • 316L stainless steel construction – ensures durability, corrosion resistance, and compliance with hygienic standards.

  • High accuracy and stability – critical for industries where precision directly impacts product quality.

  • Range of process connections – designed to fit seamlessly into sanitary pipelines and vessels.

  • Wide operating pressure range – suitable for both low and high-pressure applications.

  • CIP and SIP compatible – supports Clean-In-Place and Sterilise-In-Place procedures without compromise.

These features make the PR3850 an indispensable solution for businesses that cannot afford downtime, contamination, or inaccurate pressure measurement.

Applications in Critical Industries

The Hygienic Flush Diaphragm Pressure Transmitter is trusted across sectors where hygiene and accuracy are paramount:

  • Food and Beverage – From brewing to dairy production, the PR3850 ensures processes remain contamination-free while delivering precise pressure monitoring.

  • Pharmaceutical Manufacturing – Ideal for sterile environments, ensuring compliance with Good Manufacturing Practices (GMP).

  • Biotechnology and Medical – Essential for processes that demand sterility and precise control.

  • Cosmetics – Maintains product purity while monitoring pressure in mixing and production systems.

By choosing the PR3850, companies in these industries can maintain operational efficiency while protecting the integrity of their end products.

Why Choose ESI Technology?

At ESI Technology, we specialise in designing and manufacturing world-class pressure measurement devices that are trusted worldwide. The PR3850 Hygienic Flush Diaphragm Pressure Transmitter is a perfect example of our dedication to innovation, quality, and reliability.

When you work with us, you benefit from:

  • Decades of expertise in pressure measurement technology.

  • A commitment to British engineering and manufacturing excellence.

  • Customisable solutions to suit specific industry requirements.

  • Dedicated support and aftersales service.

We don’t just supply transmitters; we provide solutions that help businesses improve safety, compliance, and performance.

A Reliable Investment for Hygienic Applications

Investing in the PR3850 Hygienic Flush Diaphragm Pressure Transmitter means choosing a product designed to last in the most demanding sanitary environments. Its combination of robustness, precision, and hygienic design ensures it not only meets today’s regulatory standards but also supports the long-term efficiency and reliability of your operations.

Conclusion

For industries where hygiene, safety, and accuracy are critical, the Hygienic Flush Diaphragm Pressure Transmitter from ESI Technology is the smart choice. Designed for cleanability, built for performance, and backed by our reputation for engineering excellence, the PR3850 is a trusted solution for businesses that cannot compromise on quality.

If you’re looking to upgrade your pressure measurement systems, contact ESI Technology today to learn more about how the PR3850 Hygienic Flush Diaphragm Pressure Transmitter can transform your process.

PR3850 Hygienic Flush Diaphragm Pressure Transmitter